/* ==========================================================================
   MusicStudy — tema claro/escuro por variáveis CSS (data-theme no <html>)
   ========================================================================== */

:root {
    --bg: #f5f6fb;
    --surface: #ffffff;
    --surface-2: #eef0f8;
    --surface-3: #e4e7f3;
    --text: #1a1e2c;
    --muted: #697088;
    --border: #e1e4f0;
    --accent: #5b5bd6;
    --accent-strong: #4646c4;
    --accent-soft: rgba(91, 91, 214, .12);
    --accent-contrast: #ffffff;
    --play: #e5792a;
    --success: #2f9e6b;
    --danger: #d8434b;
    --warning: #e8a317;
    --paper: #fffdf9;
    --ink: #1a1e2c;
    --shadow-sm: 0 1px 2px rgba(25, 30, 60, .06), 0 1px 3px rgba(25, 30, 60, .05);
    --shadow-md: 0 8px 24px rgba(25, 30, 60, .09);
    --shadow-lg: 0 18px 48px rgba(25, 30, 60, .18);
    --radius: 14px;
    --radius-sm: 9px;
    --sidebar-w: 248px;
    --sidebar-w-collapsed: 72px;
    --font: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
    color-scheme: light;
}

:root[data-theme="dark"] {
    --bg: #0d1017;
    --surface: #151a25;
    --surface-2: #1c2231;
    --surface-3: #252c3f;
    --text: #e9ecf6;
    --muted: #9aa3bc;
    --border: #262d40;
    --accent: #8f8fff;
    --accent-strong: #a9a9ff;
    --accent-soft: rgba(143, 143, 255, .16);
    --accent-contrast: #0d1017;
    --play: #ff9a4d;
    --success: #4cc38a;
    --danger: #ff6b73;
    --warning: #f5b83d;
    --paper: #1a2030;
    --ink: #e9ecf6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, .35);
    --shadow-lg: 0 18px 48px rgba(0, 0, 0, .55);
    color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    transition: background-color .2s ease, color .2s ease;
}

h1, h2, h3 { margin: 0; letter-spacing: -.01em; line-height: 1.2; }
h1:focus { outline: none; }
h1 { font-size: 1.75rem; font-weight: 700; }
h2 { font-size: 1.05rem; font-weight: 650; }
h3 { font-size: .74rem; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); }
.pad { padding: 8px 4px; }
.link { font-size: .88rem; font-weight: 600; }
.spacer { flex: 1; }

/* ---------- carregamento inicial / erro do Blazor ---------- */
.boot {
    height: 100vh; display: grid; place-content: center; justify-items: center; gap: 10px;
    color: var(--accent); font-size: 1.1rem; font-weight: 600;
}
.boot .bi { font-size: 3rem; animation: pulse 1.4s ease-in-out infinite; }
.boot .loading-progress-text::after { content: var(--blazor-load-percentage-text, "Carregando…"); font-size: .85rem; color: var(--muted); font-weight: 500; }
@keyframes pulse { 50% { transform: scale(1.12); opacity: .7; } }

#blazor-error-ui {
    background: var(--danger); color: #fff; bottom: 0; left: 0; width: 100%;
    display: none; padding: .6rem 1.25rem; position: fixed; z-index: 2000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }
#blazor-error-ui a { color: #fff; text-decoration: underline; margin-left: 8px; }

/* ---------- estrutura ---------- */
.app-shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }

.sidebar {
    position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 22px;
    padding: 22px 16px; background: var(--surface); border-right: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.15rem; padding: 0 6px; }
.brand:hover { text-decoration: none; }
.brand strong { color: var(--accent); }
.brand-mark {
    width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; color: #fff; font-size: 1.1rem;
    background: linear-gradient(135deg, #7a7af0, #4a4ac9); box-shadow: 0 4px 12px rgba(91, 91, 214, .4);
}
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 11px;
    color: var(--muted); font-weight: 550; transition: background .15s, color .15s;
}
.nav-item .bi { font-size: 1.1rem; }
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-soft); color: var(--accent-strong); }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.theme-toggle {
    width: 100%; display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 11px;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font-weight: 550;
}
.theme-toggle:hover { border-color: var(--accent); }

.main { min-width: 0; display: flex; flex-direction: column; }
.content { width: 100%; padding: 28px 32px 56px; }
.mobile-bar, .bottom-nav { display: none; }

/* menu lateral recolhido: só os ícones (o nome vai no tooltip) */
.app-shell { transition: grid-template-columns .18s ease; }
.app-shell.is-collapsed { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
.app-shell.is-collapsed .sidebar { padding: 22px 12px; align-items: center; }
.app-shell.is-collapsed .sidebar .brand { padding: 0; }
.app-shell.is-collapsed .sidebar .brand-name,
.app-shell.is-collapsed .sidebar .nav-item span,
.app-shell.is-collapsed .sidebar .theme-toggle span { display: none; }
.app-shell.is-collapsed .sidebar .nav,
.app-shell.is-collapsed .sidebar .sidebar-foot { width: 100%; }
.app-shell.is-collapsed .sidebar .nav-item,
.app-shell.is-collapsed .sidebar .theme-toggle { justify-content: center; padding: 10px 0; }

/* ---------- botões e controles ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px;
    border-radius: var(--radius-sm); border: 1px solid transparent; font-weight: 600; line-height: 1.2;
    transition: transform .1s, background .15s, border-color .15s, box-shadow .15s; white-space: nowrap; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: 6px 11px; font-size: .86rem; }
.btn-primary { background: linear-gradient(180deg, #6c6ce3, var(--accent)); color: #fff; box-shadow: 0 2px 8px rgba(91, 91, 214, .35); }
:root[data-theme="dark"] .btn-primary { background: linear-gradient(180deg, #a3a3ff, var(--accent)); color: #0d1017; box-shadow: 0 2px 10px rgba(143, 143, 255, .25); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.06); }
.btn-secondary { background: var(--surface); border-color: var(--border); color: var(--text); box-shadow: var(--shadow-sm); }
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); }
.btn-danger-ghost { background: transparent; color: var(--danger); }
.btn-danger-ghost:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.btn-icon { background: var(--surface); border-color: var(--border); width: 40px; padding: 9px 0; color: var(--muted); }
.btn-icon.is-on { color: var(--warning); border-color: var(--warning); }

.icon-btn {
    display: inline-grid; place-items: center; min-width: 36px; height: 36px; padding: 0 8px; border-radius: 10px;
    border: 1px solid transparent; background: transparent; color: var(--text); font-size: 1.05rem; line-height: 1;
}
.icon-btn:hover:not(:disabled) { background: var(--surface-2); }
.icon-btn:disabled { opacity: .35; cursor: not-allowed; }
.icon-btn.sm { min-width: 30px; height: 30px; font-size: .95rem; }
.icon-btn.danger:hover:not(:disabled) { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.icon-btn.fav { color: var(--warning); }

.chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 6px 13px; border-radius: 999px; font-size: .88rem; font-weight: 550;
    border: 1px solid var(--border); background: var(--surface); color: var(--muted); transition: all .15s;
}
.font-step { display: inline-flex; align-items: center; gap: 2px; }
.font-step .icon-btn { display: inline-flex; align-items: baseline; justify-content: center; gap: 1px; padding: 0 8px; font-weight: 700; font-size: 1rem; line-height: 36px; }
.font-step .icon-btn small { font-size: .9em; font-weight: 700; margin-left: 1px; }
.font-step output { min-width: 1.6em; text-align: center; font-size: .78rem; font-weight: 600; color: var(--muted); }
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }

/* campos de texto: todos os tipos de input compartilham o mesmo visual */
input:is(:not([type]), [type="text"], [type="search"], [type="number"], [type="email"], [type="password"], [type="tel"], [type="url"], [type="date"], [type="time"], [type="datetime-local"]),
select, textarea {
    width: 100%; min-height: 40px; padding: 9px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border);
    background-color: var(--surface); box-shadow: var(--shadow-sm); line-height: 1.35;
    transition: border-color .15s, box-shadow .15s, background-color .15s;
}
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); opacity: 1; }
input:is([type="text"], [type="search"], [type="number"], [type="email"], [type="password"], [type="tel"], [type="url"], [type="date"], [type="time"], [type="datetime-local"], :not([type])):hover:not(:disabled):not(:focus),
select:hover:not(:disabled):not(:focus), textarea:hover:not(:disabled):not(:focus) { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input:disabled, select:disabled, textarea:disabled { background-color: var(--surface-2); color: var(--muted); cursor: not-allowed; opacity: .75; box-shadow: none; }
input:user-invalid, select:user-invalid, textarea:user-invalid, input.invalid, .field.has-error input { border-color: var(--danger); }
input:user-invalid:focus, input.invalid:focus, .field.has-error input:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent); }
textarea { resize: vertical; min-height: 96px; }
input[type="date"], input[type="time"], input[type="datetime-local"] { min-width: 0; }
input[type="date"]::-webkit-calendar-picker-indicator, input[type="time"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .6; border-radius: 4px; }
input[type="date"]::-webkit-calendar-picker-indicator:hover { opacity: 1; }
:root[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator, :root[data-theme="dark"] input[type="time"]::-webkit-calendar-picker-indicator { filter: invert(.85); }
input[type="number"] { appearance: textfield; -moz-appearance: textfield; }
input[type="number"]:hover::-webkit-inner-spin-button, input[type="number"]:focus::-webkit-inner-spin-button { opacity: 1; }
input:-webkit-autofill { -webkit-box-shadow: 0 0 0 40px var(--surface) inset; -webkit-text-fill-color: var(--text); caret-color: var(--text); }

/* select com seta própria (o visual nativo varia por navegador e quebra no tema escuro) */
select {
    appearance: none; -webkit-appearance: none; padding-right: 36px; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%23697088' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3.5 6 4.5 4.5L12.5 6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center; background-size: 16px;
}
:root[data-theme="dark"] select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%239aa3bc' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3.5 6 4.5 4.5L12.5 6'/%3E%3C/svg%3E");
}
select option { background: var(--surface); color: var(--text); }
.select-sm { width: auto; min-height: 0; padding: 6px 30px 6px 10px; font-size: .86rem; background-position: right 9px center; background-size: 14px; }
.select-sm:disabled { opacity: .45; }

/* controle deslizante */
input[type="range"] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 22px; padding: 0; margin: 0; border: 0; background: transparent; box-shadow: none; min-height: 0; cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 999px; background: var(--surface-3); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px; background: var(--surface-3); }
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 18px; height: 18px; margin-top: -6px; border-radius: 50%; background: var(--accent);
    border: 3px solid var(--surface); box-shadow: 0 0 0 1px var(--accent), var(--shadow-sm); transition: transform .12s, box-shadow .12s;
}
input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 3px solid var(--surface); box-shadow: 0 0 0 1px var(--accent); }
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]:focus { box-shadow: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 1px var(--accent), 0 0 0 5px var(--accent-soft); }

/* caixas de seleção e opções */
input[type="checkbox"], input[type="radio"] {
    -webkit-appearance: none; appearance: none; flex: none; width: 18px; height: 18px; margin: 0; display: inline-grid; place-content: center;
    border: 1.5px solid color-mix(in srgb, var(--muted) 55%, var(--border)); background: var(--surface); cursor: pointer; transition: background .12s, border-color .12s, box-shadow .12s;
}
input[type="checkbox"] { border-radius: 5px; }
input[type="radio"] { border-radius: 50%; }
input[type="checkbox"]::after { content: ""; width: 10px; height: 10px; transform: scale(0); transition: transform .12s; background: var(--accent-contrast);
    clip-path: polygon(14% 52%, 0 66%, 38% 100%, 100% 22%, 86% 8%, 38% 72%); }
input[type="radio"]::after { content: ""; width: 8px; height: 8px; border-radius: 50%; transform: scale(0); transition: transform .12s; background: var(--accent-contrast); }
input[type="checkbox"]:checked, input[type="radio"]:checked { background: var(--accent); border-color: var(--accent); }
input[type="checkbox"]:checked::after, input[type="radio"]:checked::after { transform: scale(1); }
input[type="checkbox"]:hover:not(:disabled), input[type="radio"]:hover:not(:disabled) { border-color: var(--accent); }
input[type="checkbox"]:focus-visible, input[type="radio"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type="checkbox"]:disabled, input[type="radio"]:disabled { opacity: .5; cursor: not-allowed; }

/* seletor de arquivo (quando não está dentro da área de soltar) */
input[type="file"] { width: 100%; padding: 6px; border: 1px dashed var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--muted); font-size: .88rem; }
input[type="file"]::file-selector-button {
    margin-right: 12px; padding: 7px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-2); color: var(--text);
    font: inherit; font-weight: 600; cursor: pointer; transition: border-color .15s, background .15s;
}
input[type="file"]::file-selector-button:hover { border-color: var(--accent); background: var(--accent-soft); }

/* barra de rolagem discreta, no tema */
* { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--muted) 45%, transparent) transparent; }

/* ---------- tooltips (ver js/tooltips.js) ---------- */
.tooltip {
    position: fixed; z-index: 4000; max-width: min(300px, calc(100vw - 16px)); padding: 8px 12px; border-radius: 10px;
    background: #20263a; color: #f3f5fc; font-size: .8rem; font-weight: 500; line-height: 1.4; letter-spacing: .005em;
    box-shadow: 0 10px 28px rgba(15, 18, 32, .28), 0 0 0 1px rgba(255, 255, 255, .06) inset; pointer-events: none;
    opacity: 0; transform: translateY(3px) scale(.97); transition: opacity .14s ease, transform .14s ease; visibility: hidden;
}
.tooltip[data-pos="bottom"] { transform: translateY(-3px) scale(.97); }
.tooltip.show { opacity: 1; transform: none; visibility: visible; }
.tooltip-text { display: block; overflow-wrap: anywhere; white-space: pre-line; }
.tooltip-arrow { position: absolute; width: 10px; height: 10px; background: inherit; transform: translate(-50%, -50%) rotate(45deg); border-radius: 2px; }
.tooltip[data-pos="top"] .tooltip-arrow { top: 100%; margin-top: -1px; }
.tooltip[data-pos="bottom"] .tooltip-arrow { top: 0; margin-top: 1px; }
.tooltip[data-pos="left"] .tooltip-arrow { left: 100%; margin-left: -1px; }
.tooltip[data-pos="right"] .tooltip-arrow { left: 0; margin-left: 1px; }
.tooltip.is-help { background: var(--surface); color: var(--text); border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: var(--shadow-lg); padding: 9px 13px; }
.tooltip.is-help .tooltip-arrow { --edge: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border)); }
.tooltip.is-help[data-pos="top"] .tooltip-arrow { border-right: var(--edge); border-bottom: var(--edge); }
.tooltip.is-help[data-pos="bottom"] .tooltip-arrow { border-left: var(--edge); border-top: var(--edge); }
.tooltip.is-help[data-pos="left"] .tooltip-arrow { border-top: var(--edge); border-right: var(--edge); }
.tooltip.is-help[data-pos="right"] .tooltip-arrow { border-bottom: var(--edge); border-left: var(--edge); }
:root[data-theme="dark"] .tooltip:not(.is-help) { background: #2c3450; color: #f3f5fc; box-shadow: 0 10px 28px rgba(0, 0, 0, .5), 0 0 0 1px rgba(255, 255, 255, .1) inset; }
@media (pointer: coarse) { .tooltip { display: none; } }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label, .field > span { font-size: .8rem; font-weight: 600; color: var(--muted); }
.key-free { display: flex; flex-wrap: wrap; gap: 8px; }
.key-free-btn {
    display: inline-flex; align-items: center; gap: 6px; min-width: 64px; justify-content: center; padding: 8px 12px;
    border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); color: var(--muted);
}
.key-free-btn:hover { border-color: var(--accent); color: var(--text); }
.key-free-btn b { font-weight: 600; }
.key-free-btn span { font-size: 1.15rem; line-height: 1; }
.key-free-btn.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.spinner {
    width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid var(--accent-soft); border-top-color: var(--accent);
    display: inline-block; animation: spin .7s linear infinite; flex: none;
}
.spinner.sm { width: 14px; height: 14px; border-width: 2px; border-color: rgba(255, 255, 255, .35); border-top-color: currentColor; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- cartões e blocos ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 18px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head.flush { margin-bottom: 14px; }
.section { margin-top: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.lead { color: var(--muted); margin-top: 4px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.loading-block { display: flex; align-items: center; gap: 12px; color: var(--muted); padding: 40px 8px; justify-content: center; }
.alert { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; }
.alert span { flex: 1; }
.alert-error { background: color-mix(in srgb, var(--danger) 11%, var(--surface)); border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); color: var(--text); }
.alert-error .bi { color: var(--danger); }

.empty-state { text-align: center; padding: 56px 16px; display: grid; justify-items: center; gap: 10px; color: var(--muted); }
.empty-state > .bi { font-size: 3rem; color: var(--accent); opacity: .8; }
.empty-state h1, .empty-state h2 { color: var(--text); }
.empty-inline { padding: 20px; border: 1px dashed var(--border); border-radius: var(--radius); color: var(--muted); text-align: center; }

.pill { background: var(--accent-soft); color: var(--accent-strong); padding: 3px 11px; border-radius: 999px; font-size: .82rem; font-weight: 650; white-space: nowrap; }

/* ---------- estatísticas ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.stat { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.stat > .bi { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 1.3rem; background: var(--accent-soft); color: var(--accent-strong); flex: none; }
.stat > div { display: flex; flex-direction: column; min-width: 0; }
.stat-value { font-size: 1.25rem; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: .8rem; color: var(--muted); }

.bar-chart { display: flex; align-items: stretch; gap: 6px; height: 180px; padding-top: 8px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 0; }
.bar-track { flex: 1; width: 100%; display: flex; align-items: flex-end; background: var(--surface-2); border-radius: 8px; overflow: hidden; }
.bar-fill { width: 100%; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 55%, transparent)); transition: height .4s ease; }
.bar-label { font-size: .72rem; color: var(--muted); }
.bar-col.today .bar-label { color: var(--accent-strong); font-weight: 700; }

.session-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.session-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 4px; border-top: 1px solid var(--border); }
.session-list li:first-child { border-top: 0; }
.session-main { display: flex; flex-direction: column; min-width: 0; }
.session-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-main .muted { font-size: .82rem; }
.session-notes { margin-top: 4px; font-size: .88rem; color: var(--muted); white-space: pre-wrap; }
.session-list.detailed li { align-items: flex-start; }
.session-side { display: flex; align-items: center; gap: 10px; flex: none; }
.stars-static { color: var(--warning); font-size: .8rem; display: inline-flex; gap: 1px; }

/* ---------- biblioteca ---------- */
.dropzone {
    position: relative; display: flex; align-items: center; gap: 16px; padding: 18px 20px; margin-bottom: 20px;
    border: 2px dashed var(--border); border-radius: var(--radius); background: var(--surface); transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus-within { border-color: var(--accent); background: var(--accent-soft); }
.dropzone > .bi { font-size: 2rem; color: var(--accent); }
.dropzone div { display: flex; flex-direction: column; gap: 2px; }
.dropzone span { color: var(--muted); font-size: .88rem; }
.dropzone input[type="file"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.dropzone.busy { opacity: .6; pointer-events: none; }
.youtube-import { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.youtube-import .search { max-width: 520px; }
.youtube-import small { flex-basis: 100%; }

.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 18px; }
.search { position: relative; flex: 1 1 280px; max-width: 420px; display: block; }
.search .bi { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input { padding-left: 38px; border-radius: 999px; }
.result-count { font-size: .85rem; margin-bottom: 12px; }

.tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.score-tile { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .15s, border-color .15s; }
.score-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.tile-cover { position: relative; height: 96px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent-soft), transparent), var(--paper); color: var(--accent); font-size: 1.9rem; border-bottom: 1px solid var(--border); }
.tile-cover:hover { text-decoration: none; }
.staff-lines { position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, transparent 0 calc(50% - 21px), color-mix(in srgb, var(--ink) 24%, transparent) calc(50% - 21px) calc(50% - 20px)); opacity: .0; }
.tile-cover::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 40px; transform: translateY(-50%); background: repeating-linear-gradient(to bottom, color-mix(in srgb, var(--ink) 22%, transparent) 0 1px, transparent 1px 10px); }
.tile-cover .bi { position: relative; background: var(--paper); border-radius: 50%; padding: 2px 6px; }
.tile-body { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px 16px; flex: 1; }
.tile-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.tile-title { color: var(--text); font-weight: 650; font-size: 1.02rem; line-height: 1.3; }
.tile-sub { color: var(--muted); font-size: .88rem; }
.tile-meta { display: flex; gap: 14px; color: var(--muted); font-size: .8rem; flex-wrap: wrap; }
.tile-meta .bi { margin-right: 3px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: var(--surface-2); color: var(--muted); padding: 2px 10px; border-radius: 999px; font-size: .76rem; font-weight: 550; }
.tile-actions { display: flex; justify-content: space-between; margin-top: auto; padding-top: 8px; }

/* ---------- editor ---------- */
.editor { display: flex; flex-direction: column; gap: 16px; }
.editor-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.head-fields { display: flex; flex-direction: column; gap: 2px; flex: 1 1 320px; min-width: 0; }
.editor-head input.title-input, .editor-head input.composer-input { border: 0; background: transparent; padding: 4px 6px; box-shadow: none; border-radius: 8px; }
.editor-head input.title-input { font-size: 1.5rem; font-weight: 700; letter-spacing: -.01em; }
.editor-head input.composer-input { color: var(--muted); }
.editor-head input:hover { background: var(--surface-2); }
.editor-head input:focus { background: var(--surface-2); box-shadow: 0 0 0 2px var(--accent-soft); }
.head-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.dot-dirty { width: 8px; height: 8px; border-radius: 50%; background: var(--warning); display: inline-block; box-shadow: 0 0 0 2px rgba(255, 255, 255, .35); }

.menu { position: relative; }
.menu-pop { position: absolute; right: 0; top: calc(100% + 6px); min-width: 230px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 6px; z-index: 30; display: flex; flex-direction: column; }
.menu-pop button { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background: transparent; border: 0; border-radius: 8px; text-align: left; }
.menu-pop button:hover { background: var(--surface-2); }

.transport { display: flex; align-items: center; gap: 14px 20px; flex-wrap: wrap; padding: 12px 16px; position: sticky; top: 8px; z-index: 20; backdrop-filter: blur(8px); }
.btn-play { background: var(--success); color: #fff; min-width: 130px; padding: 10px 18px; font-size: 1rem; box-shadow: 0 3px 10px color-mix(in srgb, var(--success) 40%, transparent); }
.btn-play .bi { font-size: 1.3rem; margin-left: -4px; }
.btn-play.is-playing { background: var(--danger); box-shadow: 0 3px 10px color-mix(in srgb, var(--danger) 40%, transparent); }
:root[data-theme="dark"] .btn-play { color: #0d1017; }
.segmented { display: inline-flex; padding: 3px; background: var(--surface-2); border-radius: 11px; gap: 2px; }
.segmented button { border: 0; background: transparent; padding: 7px 14px; border-radius: 8px; font-weight: 600; color: var(--muted); display: inline-flex; gap: 7px; align-items: center; }
.segmented button.on { background: var(--surface); color: var(--accent-strong); box-shadow: var(--shadow-sm); }
.tempo { display: flex; align-items: center; gap: 10px; }
.tempo > span { font-size: .8rem; font-weight: 600; color: var(--muted); }
.tempo input { width: 140px; }
.step-btn {
    display: inline-grid; place-items: center; width: 26px; height: 26px; padding: 0; border-radius: 50%; font-size: .8rem;
    border: 1px solid var(--border); background: var(--surface); color: var(--muted); transition: all .15s;
}
.step-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-strong); background: var(--accent-soft); }
.step-btn:active:not(:disabled) { transform: scale(.92); }
.step-btn:disabled { opacity: .4; cursor: default; }
.tempo output { min-width: 62px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tempo output small { font-weight: 500; color: var(--muted); }
.toggles { display: flex; gap: 8px; margin-left: auto; }

.workspace { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 16px; align-items: start; }
.palette { display: flex; flex-direction: column; gap: 16px; padding: 16px; position: sticky; top: 84px; }
.palette-group { display: flex; flex-direction: column; gap: 8px; }
.tool-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tool {
    width: 40px; height: 52px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2);
    color: var(--text); cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none; transition: all .12s;
}
.tool:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.tool.active { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); box-shadow: 0 3px 10px var(--accent-soft); }
.tool.glyph { height: 40px; font-size: 1.35rem; font-weight: 600; }
.tool.txt { width: auto; padding: 0 8px; font-size: .78rem; font-weight: 700; white-space: nowrap; }
.tool .note-icon { pointer-events: none; }
.tool.dyn { font-family: Georgia, 'Times New Roman', serif; font-style: italic; font-weight: 700; font-size: 1.05rem; width: 36px; }
.hint { display: flex; gap: 8px; font-size: .78rem; color: var(--muted); line-height: 1.4; padding-top: 12px; border-top: 1px solid var(--border); }
.hint .bi { color: var(--accent); margin-top: 2px; }

.score-card { padding: 0; overflow: hidden; }
.selection-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 14px; border-bottom: 1px solid var(--border); background: var(--surface-2); min-height: 52px; flex-wrap: wrap; }
.selection-bar.has-selection { background: var(--accent-soft); }
.sel-info { font-size: .9rem; min-width: 0; }
.sel-actions { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.score-wrap { position: relative; background: var(--paper); }
.score-canvas { position: relative; color: var(--ink); min-height: 240px; outline: none; touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: default; padding-bottom: 8px; }
.score-canvas:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.score-canvas.has-tool { cursor: copy; }
.score-canvas.dragging-note { cursor: ns-resize; }
.score-svg { line-height: 0; }
.score-svg svg { display: block; max-width: 100%; }
.score-empty { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 8px; color: var(--muted); pointer-events: none; font-weight: 550; padding-top: 60px; }
.score-empty .bi { font-size: 1.8rem; color: var(--accent); }

.vf-selected, .vf-selected * { fill: var(--accent) !important; stroke: var(--accent) !important; }
.vf-playing, .vf-playing * { fill: var(--play) !important; stroke: var(--play) !important; }
.score-svg g[class*="vf-"] { transition: none; }

.drop-preview { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .08s; z-index: 5; overflow: hidden; }
.drop-preview.visible { opacity: 1; }
.drop-preview .head { position: absolute; width: 17px; height: 12px; margin: -6px 0 0 -8px; border-radius: 50%; background: var(--accent); opacity: .85; transform: rotate(-20deg); box-shadow: 0 0 0 3px var(--accent-soft); }
.drop-preview.is-target .head { background: var(--play); box-shadow: 0 0 0 3px color-mix(in srgb, var(--play) 25%, transparent); }
.drop-preview .label { position: absolute; background: var(--accent); color: var(--accent-contrast); font-size: .72rem; font-weight: 700; padding: 1px 7px; border-radius: 6px; white-space: nowrap; }
.drop-preview .bar { position: absolute; width: 2px; margin-left: -1px; background: repeating-linear-gradient(to bottom, var(--accent) 0 5px, transparent 5px 9px); opacity: .55; }
.drop-preview.is-measure .bar { margin-left: 0; background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 8px; opacity: 1; }
.drop-preview.is-measure .head, .drop-preview.is-measure .label { display: none; }

.drag-ghost {
    position: fixed; left: 0; top: 0; z-index: 9999; pointer-events: none; width: 48px; height: 60px; display: grid; place-items: center;
    background: var(--surface); color: var(--accent); border: 1px solid var(--accent); border-radius: 12px; box-shadow: var(--shadow-lg); opacity: .96;
    font-size: 1.5rem;
}
body.is-dragging, body.is-dragging * { cursor: grabbing !important; user-select: none !important; -webkit-user-select: none !important; }

.measure-bar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-top: 1px solid var(--border); background: var(--surface-2); flex-wrap: wrap; }
.legend { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: .76rem; margin-right: 8px; }
.legend .lg { display: inline-block; width: 14px; height: 4px; border-radius: 2px; margin-left: 6px; }
.lg.ok { background: #30a46c; }
.lg.under { background: #f5a524; }
.lg.over { background: #e5484d; }

.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px 18px; }
.settings .full { grid-column: 1 / -1; }

/* ---------- estudos ---------- */
.study-grid { align-items: start; }
.logger-grid { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 20px; }
.timer-box { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 18px 10px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); }
.timer-box.running { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.timer-face { font-size: 2.4rem; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.timer-actions { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.logger-form { display: flex; flex-direction: column; gap: 14px; }
.stars-row { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 10px; }
.stars { display: flex; gap: 2px; }
.star { position: relative; display: inline-block; font-size: 1.3rem; line-height: 1; color: var(--surface-3); padding: 2px 3px; }
.star.on { color: var(--warning); }
.star .half { position: absolute; top: 0; bottom: 0; width: 50%; margin: 0; padding: 0; border: 0; background: transparent; cursor: pointer; border-radius: 6px; }
.star .half.left { left: 0; }
.star .half.right { right: 0; }
.star:hover { transform: scale(1.1); }
.stars.previewing .star.on { color: color-mix(in srgb, var(--warning) 80%, var(--surface)); }
.star { transition: transform .12s, color .12s; }
.rating-value { font-size: .85rem; color: var(--muted); }
.logger-form .segmented { display: flex; flex-wrap: wrap; width: fit-content; max-width: 100%; padding: 3px; gap: 2px; }
.logger-form .segmented button { display: inline-flex; gap: 6px; align-items: center; padding: 6px 12px; white-space: nowrap; }
.logger-submit { display: flex; justify-content: flex-end; }

/* ---------- avisos (toasts) ---------- */
.toast-host { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 3000; max-width: min(380px, calc(100vw - 36px)); }
.toast {
    --tone: var(--accent);
    position: relative; overflow: hidden; display: flex; align-items: center; gap: 12px; padding: 13px 12px 15px 14px; border-radius: 12px;
    background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--tone); box-shadow: var(--shadow-lg);
    animation: toast-in .3s cubic-bezier(.2, .9, .3, 1.2);
}
.toast span { flex: 1; font-size: .92rem; line-height: 1.35; }
.toast > .bi:first-child {
    flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; font-size: 1rem;
    color: var(--tone); background: color-mix(in srgb, var(--tone) 14%, transparent);
}
.toast::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--tone); opacity: .55; transform-origin: left; animation: toast-timer 3.5s linear forwards; }
.toast-success { --tone: var(--success); }
.toast-error { --tone: var(--danger); }
.toast-error::after { animation-duration: 6s; }
.toast:hover::after { animation-play-state: paused; }
@keyframes toast-in { from { transform: translateX(24px) scale(.96); opacity: 0; } }
@keyframes toast-timer { to { transform: scaleX(0); } }

/* ---------- diálogo de confirmação ---------- */
.dialog-overlay {
    position: fixed; inset: 0; z-index: 4000; display: grid; place-items: center; padding: 18px;
    background: rgba(15, 18, 32, .5); backdrop-filter: blur(3px); animation: dialog-fade .15s ease;
}
.dialog-overlay.closing { opacity: 0; transition: opacity .12s; }
.dialog {
    width: min(420px, 100%); padding: 26px 24px 20px; text-align: center; background: var(--surface); color: var(--text);
    border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow-lg); animation: dialog-pop .22s cubic-bezier(.2, .9, .3, 1.2);
}
.dialog-icon { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%; font-size: 1.6rem; color: var(--accent); background: var(--accent-soft); }
.dialog-icon.danger { color: var(--danger); background: color-mix(in srgb, var(--danger) 13%, transparent); }
.dialog h2 { font-size: 1.15rem; margin: 0 0 6px; }
.dialog p { margin: 0 0 4px; line-height: 1.45; }
.dialog-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.dialog-actions .btn { flex: 1 1 130px; justify-content: center; }
.btn-danger { background: var(--danger); color: #fff; box-shadow: 0 3px 10px color-mix(in srgb, var(--danger) 35%, transparent); }
.btn-danger:hover:not(:disabled) { filter: brightness(1.08); }
@keyframes dialog-fade { from { opacity: 0; } }
@keyframes dialog-pop { from { transform: translateY(10px) scale(.95); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .dialog, .dialog-overlay, .toast, .toast::after { animation: none; } }

/* ---------- responsivo ---------- */
@media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-2 { grid-template-columns: minmax(0, 1fr); }
    .settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .app-shell, .app-shell.is-collapsed { grid-template-columns: minmax(0, 1fr); }
    .sidebar { display: none; }
    .mobile-bar {
        display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--surface);
        border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40;
    }
    .bottom-nav {
        display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
        background: var(--surface); border-top: 1px solid var(--border); padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
    }
    .bottom-nav .nav-item { flex-direction: column; gap: 2px; padding: 6px 4px; font-size: .72rem; text-align: center; }
    .content { padding: 20px 16px 96px; }
    h1 { font-size: 1.45rem; }

    .workspace { grid-template-columns: minmax(0, 1fr); }
    .palette { position: static; flex-direction: row; overflow-x: auto; gap: 18px; padding: 12px; }
    .palette-group { flex: none; }
    .palette .hint { display: none; }
    .transport { position: static; }
    .toggles { margin-left: 0; }
    .logger-grid { grid-template-columns: minmax(0, 1fr); }
    .toast-host { bottom: 84px; }
}

@media (max-width: 560px) {
    .stats-grid { grid-template-columns: minmax(0, 1fr); }
    .settings { grid-template-columns: minmax(0, 1fr); }
    .field-row { grid-template-columns: minmax(0, 1fr); }
    .tempo input { width: 110px; }
    .legend { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- editor de tablaturas ---------- */
.section-title { margin: 28px 0 4px; font-size: 1.15rem; }
.tab-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; }
.tab-tool-group { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.tab-tool-label { font-size: .8rem; font-weight: 600; color: var(--muted); margin-right: 2px; }
.dur-btn {
    display: inline-grid; place-items: center; min-width: 34px; height: 34px; padding: 0 6px; border-radius: 9px;
    border: 1px solid var(--border); background: var(--surface); color: var(--muted); transition: all .15s;
}
.dur-btn.dot { font-size: 1.3rem; line-height: 1; }
.dur-btn:hover { border-color: var(--accent); color: var(--text); }
.dur-btn.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.tab-help { flex-basis: 100%; margin: 0; font-size: .8rem; color: var(--muted); }
.tab-help kbd { padding: 0 5px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface-2); font-size: .75rem; }

.tab-sheet { padding: 14px; }
.tab-grid { display: flex; flex-wrap: wrap; gap: 18px 14px; outline: none; }
.tab-grid:focus-visible { box-shadow: 0 0 0 2px var(--accent-soft); border-radius: var(--radius-sm); }
.tab-measure { display: flex; flex-direction: column; gap: 4px; }
.tab-measure-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .72rem; font-weight: 600; color: var(--muted); }
.tab-measure.current .tab-measure-head > span:first-child { color: var(--accent-strong); }
.tab-fill { padding: 0 7px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.tab-fill.ok { color: var(--success); background: color-mix(in srgb, var(--success) 14%, transparent); }
.tab-fill.short { color: var(--warning); background: color-mix(in srgb, var(--warning) 16%, transparent); }
.tab-fill.over { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }
.tab-staff { display: flex; align-items: flex-start; border-left: 2px solid var(--text); border-right: 2px solid var(--text); padding: 4px 0 0; }
.tab-names { display: flex; flex-direction: column; font-size: .7rem; font-weight: 700; color: var(--muted); padding: 0 6px 18px 4px; }
.tab-names span, .tab-cell { height: 26px; line-height: 26px; }
.tab-col { display: flex; flex-direction: column; align-items: stretch; min-width: 34px; border-radius: 6px; }
.tab-col.sel { background: var(--accent-soft); }
.tab-col.playing { background: color-mix(in srgb, var(--play) 28%, transparent); }
.tab-cell {
    position: relative; padding: 0; border: 0; border-radius: 0; text-align: center; color: var(--text); font-weight: 700; font-size: .85rem;
    background: linear-gradient(var(--muted), var(--muted)) center / 100% 1px no-repeat;
}
.tab-cell b { background: var(--surface); padding: 0 3px; border-radius: 4px; font-variant-numeric: tabular-nums; }
.tab-col.sel .tab-cell b { background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
.tab-cell:hover { background-color: var(--accent-soft); }
.tab-cell.cursor { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 5px; z-index: 1; }
.tab-dur { display: grid; place-items: center; height: 18px; color: var(--muted); font-size: .8rem; }
@media (max-width: 640px) {
    .tab-tool-group:last-of-type .btn { padding: 6px 9px; }
}

/* ---------- visualizador da tela de estudos ---------- */
.viewer-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.viewer-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; padding-bottom: 12px; }
.viewer-controls .btn-play { min-width: 120px; padding: 8px 16px; }
.viewer-range { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding-bottom: 12px; }
.viewer-range label { font-size: .8rem; font-weight: 600; color: var(--muted); }
.viewer-range select { width: auto; min-width: 150px; max-width: 100%; }
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: .88rem; font-weight: 550; color: var(--muted); user-select: none; margin-left: auto; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-track { position: relative; width: 38px; height: 22px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--border); transition: background .15s, border-color .15s; }
.switch-track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); box-shadow: var(--shadow-sm); transition: transform .15s; }
.switch input:checked + .switch-track { background: var(--accent); border-color: var(--accent); }
.switch input:checked + .switch-track::after { transform: translateX(16px); background: #fff; }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--accent); outline-offset: 2px; }
.switch:hover .switch-label { color: var(--text); }
.viewer-score { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: auto; max-height: 460px; }
.score-canvas.readonly { cursor: default; touch-action: auto; }
.viewer-tab { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: auto; max-height: 460px; padding: 12px; background: var(--paper); }
.tab-grid.readonly { pointer-events: none; }

/* ---------- ciclo das quintas ---------- */
.circle-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.circle-card { padding: 14px; }
.circle-svg { display: block; width: 100%; max-width: 640px; margin: 0 auto; height: auto; user-select: none; -webkit-user-select: none; }
.circle-svg text { text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.wedge { cursor: pointer; outline: none; }
.wedge path { fill: var(--surface-2); stroke: var(--border); stroke-width: 1.5; transition: fill .15s, stroke .15s; }
.wedge.minor path { fill: var(--surface); }
.wedge:hover path { fill: var(--accent-soft); stroke: var(--accent); }
.wedge.related path { fill: var(--accent-soft); stroke: var(--accent); }
.wedge.sel path { fill: var(--accent); stroke: var(--accent-strong); }
.wedge:focus-visible path { stroke: var(--accent-strong); stroke-width: 3.5; }
.wedge-name { font-size: 21px; font-weight: 700; fill: var(--text); }
.wedge.minor .wedge-name { font-size: 16px; }
.wedge-role { font-size: 12px; font-weight: 700; fill: var(--accent-strong); }
.wedge-sig { font-size: 11px; font-weight: 600; fill: var(--muted); }
.wedge.sel .wedge-name, .wedge.sel .wedge-role, .wedge.sel .wedge-sig { fill: var(--accent-contrast); }
.circle-center { fill: var(--surface); stroke: var(--border); stroke-width: 1.5; }
.center-name { font-size: 20px; font-weight: 700; fill: var(--text); }
.center-sig { font-size: 13px; fill: var(--muted); }
.center-dir { font-size: 12px; font-weight: 600; fill: var(--accent-strong); }
.circle-hint { margin: 10px 4px 0; font-size: .85rem; text-align: center; }

.circle-info h3 { margin: 18px 0 6px; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.circle-info p { margin: 0 0 4px; }
.circle-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.circle-staff { background: var(--paper); color: var(--ink); border: 1px solid var(--border); border-radius: var(--radius-sm); min-height: 152px; overflow: hidden; padding: 2px; }
.scale-row { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.scale-row li { display: flex; flex-direction: column; align-items: center; min-width: 46px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); transition: all .15s; }
.scale-row .deg { font-size: .7rem; color: var(--muted); }
.scale-row .note { font-weight: 700; }
.scale-row li.playing { background: var(--accent); border-color: var(--accent-strong); color: var(--accent-contrast); transform: translateY(-2px); }
.scale-row li.playing .deg { color: inherit; }
.circle-info .option-switch { display: flex; flex-wrap: wrap; width: fit-content; max-width: 100%; margin-bottom: 8px; padding: 3px; gap: 2px; }
.circle-info .option-switch button { padding: 5px 12px; white-space: nowrap; }
.scale-dir { margin: 8px 0 4px; font-size: .85rem; }
.chord-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chord { display: flex; flex-direction: column; align-items: center; min-width: 58px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); transition: all .15s; }
.chord:hover { border-color: var(--accent); background: var(--accent-soft); }
.chord .numeral { font-size: .72rem; font-weight: 600; color: var(--muted); }
.chord .cname { font-weight: 700; }
.chord.playing { background: var(--accent); border-color: var(--accent-strong); color: var(--accent-contrast); }
.chord.playing .numeral { color: inherit; }
.relations { display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 980px) { .circle-layout { grid-template-columns: minmax(0, 1fr); } }


/* ==========================================================================
   Autenticação, perfis, turma (professor/aluno) e administração
   ========================================================================== */

.hint { font-size: .78rem; color: var(--muted); }
.btn-block { width: 100%; justify-content: center; }
.is-hidden { display: none; }
.alert-info { background: color-mix(in srgb, var(--accent) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); color: var(--text); }
.alert-info .bi { color: var(--accent); }
.readonly-banner { margin-bottom: 14px; }

/* tela de login / cadastro */
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; position: relative; }
.auth-theme { position: absolute; top: 16px; right: 16px; }
.auth-main { width: 100%; max-width: 440px; }
.auth-card { padding: 28px; box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 14px; }
.auth-brand { padding: 0; margin-bottom: 4px; }
.auth-card h1 { font-size: 1.5rem; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.forgot-link { align-self: flex-end; }

/* medidor de complexidade e confirmação de senha */
.pw-field { position: relative; }
.pw-popover { position: absolute; left: 0; right: 0; top: calc(100% + 8px); z-index: 40; padding: 12px 14px; background: var(--surface);
              border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); pointer-events: none; }
.pw-popover::before { content: ""; position: absolute; top: -6px; left: 22px; width: 10px; height: 10px; background: var(--surface);
                      border-left: 1px solid var(--border); border-top: 1px solid var(--border); transform: rotate(45deg); }
.pw-meter { display: flex; flex-direction: column; gap: 8px; }
.pw-strength { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--muted); }
.pw-bars { display: inline-flex; gap: 4px; flex: 0 0 auto; }
.pw-bars span { width: 34px; height: 6px; border-radius: 4px; background: var(--surface-3); transition: background .15s; }
.pw-bars.pw-weak span.on { background: var(--danger); }
.pw-bars.pw-fair span.on { background: var(--warning); }
.pw-bars.pw-strong span.on, .pw-bars.pw-verystrong span.on { background: var(--success); }
.pw-label strong { color: var(--text); }
.pw-rules { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; font-size: .78rem; color: var(--muted); }
.pw-rules li { display: flex; align-items: baseline; gap: 6px; }
.pw-rules li.met { color: var(--success); }
.pw-rules li.optional:not(.met) { opacity: .8; }
.pw-match { min-height: 1.1em; font-size: .78rem; color: var(--muted); }
.pw-match.ok { color: var(--success); }
.pw-match.bad { color: var(--danger); }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; background: var(--surface-2); border-radius: var(--radius-sm); padding: 4px; gap: 4px; }
.segmented button { border: 0; background: transparent; border-radius: 7px; padding: 8px; font-weight: 600; color: var(--muted); cursor: pointer; }
.segmented button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.transport .segmented { display: inline-flex; flex-shrink: 0; }
.transport .segmented button { display: inline-flex; gap: 7px; align-items: center; padding: 7px 14px; white-space: nowrap; }
.role-picker { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.role-picker legend { font-size: .8rem; font-weight: 600; color: var(--muted); padding: 0; margin-bottom: 6px; }
.role-option { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; background: var(--surface); }
.role-option:hover { border-color: var(--accent); }
.role-option.on { border-color: var(--accent); background: var(--accent-soft); }
.role-option input { position: absolute; opacity: 0; pointer-events: none; }
.role-option:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.role-option > .bi { font-size: 1.25rem; color: var(--accent); }
.role-option span { display: flex; flex-direction: column; gap: 1px; }
.role-option small { color: var(--muted); font-size: .78rem; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .8rem; margin: 2px 0 10px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.auth-google { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.auth-google .divider { width: 100%; }
.google-button { min-height: 44px; display: flex; justify-content: center; }

/* menu lateral: usuário logado */
.user-chip { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); background: var(--surface-2); min-width: 0; }
.user-chip > .bi { font-size: 1.5rem; color: var(--accent); flex: none; }
.user-chip span { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.user-chip strong, .user-chip small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip small { color: var(--muted); font-size: .74rem; }
.is-collapsed .user-chip span { display: none; }
.is-collapsed .user-chip { justify-content: center; padding: 8px 0; }
.mobile-actions { display: flex; align-items: center; gap: 6px; }

/* origem do conteúdo na biblioteca */
.origin-badge { display: inline-flex; align-items: center; gap: 5px; width: fit-content; font-size: .72rem; font-weight: 650; padding: 2px 9px; border-radius: 999px; }
.origin-badge.system { background: color-mix(in srgb, var(--success) 15%, var(--surface)); color: var(--success); }
.origin-badge.shared { background: var(--accent-soft); color: var(--accent-strong); }

/* turma */
.invite-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.invite-code { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.invite-code code { font-size: 1.35rem; font-weight: 700; letter-spacing: .18em; padding: 6px 14px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px dashed var(--border); user-select: all; }
.classroom-grid { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(0, 2.2fr); gap: 18px; align-items: start; }
@media (max-width: 800px) { .classroom-grid { grid-template-columns: minmax(0, 1fr); } }
.student-filter { display: flex; align-items: center; justify-content: space-between; gap: 12px 18px; flex-wrap: wrap; margin-bottom: 18px; }
.alpha-bar { display: flex; flex-wrap: wrap; gap: 4px; }
.alpha-btn { min-width: 30px; padding: 4px 6px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: .85rem; font-weight: 600; cursor: pointer; }
.alpha-btn:hover:not(:disabled) { border-color: var(--accent); }
.alpha-btn.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.alpha-btn:disabled { opacity: .35; cursor: default; }
.user-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.user-list li { display: flex; align-items: center; gap: 6px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding-right: 6px; }
.user-list li.on { border-color: var(--accent); background: var(--accent-soft); }
.user-pick { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 1px; text-align: left; background: transparent; border: 0; padding: 10px 12px; cursor: pointer; }
.user-pick span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; font-size: .82rem; }
.share-title { margin: 18px 0 8px; }
.share-list { display: flex; flex-direction: column; gap: 4px; max-height: 260px; overflow-y: auto; margin-bottom: 8px; }
.check { display: flex; align-items: center; gap: 8px; padding: 6px 4px; cursor: pointer; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.inline-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.inline-form .field { flex: 1; min-width: 200px; }
.student-card { max-width: 560px; display: flex; flex-direction: column; gap: 10px; }

/* administração de usuários */
.table-card { padding: 0; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: .74rem; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 12px 16px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr.is-off { opacity: .55; }
.data-table .tag { margin-left: 8px; }

@media (max-width: 700px) {
    .auth-card { padding: 22px 18px; }
    .data-table thead { display: none; }
    .data-table tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--border); }
    .data-table td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 6px 16px; }
    .data-table td::before { content: attr(data-label); color: var(--muted); font-size: .78rem; font-weight: 600; }
}

/* confirmação de e-mail / conta bloqueada */
.blocked-card { text-align: center; align-items: stretch; }
.blocked-card .auth-brand { align-self: flex-start; }
.blocked-icon { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; margin: 4px auto 0; font-size: 1.9rem;
    background: color-mix(in srgb, var(--warning) 18%, var(--surface)); color: var(--warning); }
.blocked-icon.ok { background: color-mix(in srgb, var(--success) 16%, var(--surface)); color: var(--success); }
.blocked-card .alert { text-align: left; margin-bottom: 0; }

/* ---------- perfil do usuário ---------- */
.profile-hero { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(200px, 280px); align-items: center; gap: 20px; margin-bottom: 18px; }
.avatar {
    width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font-size: 1.6rem; font-weight: 700; letter-spacing: .02em;
    color: #fff; background: linear-gradient(135deg, #6c6ce3, var(--accent-strong)); box-shadow: 0 4px 14px rgba(91, 91, 214, .35);
}
img.avatar-img { object-fit: cover; display: block; background: var(--surface-2); }
.avatar-sm { width: 36px; height: 36px; font-size: .9rem; box-shadow: none; flex: none; }
.avatar-lg { width: 96px; height: 96px; font-size: 2rem; flex: none; }
.photo-card { display: flex; align-items: center; gap: 20px; margin-bottom: 18px; }
.photo-main { min-width: 0; }
.photo-main h2 { margin: 0 0 4px; }
.hero-main { min-width: 0; }
.hero-main h1 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin-top: 6px; font-size: .88rem; }
.hero-meta .bi { margin-right: 3px; }
.completeness { display: flex; flex-direction: column; gap: 6px; font-size: .86rem; }
.progress { height: 8px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #6c6ce3, var(--success)); transition: width .3s; }

.tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--border); margin-bottom: 18px; scrollbar-width: thin; }
.tab {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: 0; border-bottom: 2px solid transparent; background: transparent;
    color: var(--muted); font-weight: 600; white-space: nowrap; cursor: pointer; margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.on { color: var(--accent-strong); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius-sm); }

.profile-stack { display: flex; flex-direction: column; gap: 18px; }
.profile-stack > .grid-2 { margin-top: 0; }
.profile-form { display: flex; flex-direction: column; gap: 16px; max-width: 760px; }
.profile-stack .profile-form, .profile-stack > .card { max-width: 760px; }
.profile-stack > .stats-grid, .profile-stack > .grid-2 { max-width: none; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }
fieldset.field { border: 0; padding: 0; margin: 0; }
fieldset.field legend { font-size: .8rem; font-weight: 600; color: var(--muted); padding: 0; margin-bottom: 8px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip.static { cursor: default; }
.chip.static:hover { border-color: var(--border); color: inherit; }
.chip.on.static:hover { border-color: var(--accent); color: var(--accent-strong); }
.goal-custom { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; max-width: 260px; }
.hint-line { font-size: .78rem; color: var(--muted); }
.hint-line.counter { text-align: right; }
.ok { color: var(--success); }
.pill.ok { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }
.pill.bad { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.alert-warning { background: color-mix(in srgb, var(--warning) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--warning) 40%, transparent); color: var(--text); }
.alert-warning .bi { color: var(--warning); }
.plan-price { font-size: 1.5rem; margin: 0 0 6px; }
.bio { white-space: pre-line; margin-bottom: 12px; }
input[readonly] { background: var(--surface-2); color: var(--muted); cursor: default; }
.method-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.method-list li { display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--surface-2); }
.method-list li > .bi { font-size: 1.3rem; color: var(--accent); }
.method-list li > div { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 24px; margin: 0; }
.facts dt { font-size: .78rem; font-weight: 600; color: var(--muted); }
.facts dd { margin: 2px 0 0; overflow-wrap: anywhere; }
.danger-zone { border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); }
.danger-zone h2 { color: var(--danger); }

@media (max-width: 860px) {
    .profile-hero { grid-template-columns: auto minmax(0, 1fr); }
    .completeness { grid-column: 1 / -1; }
}

/* ---------- formulários: rótulos e ajuda ---------- */
.field > label { display: flex; align-items: center; gap: 4px; }
.field:has(> input:required, > textarea:required, > select:required) > label::after { content: "*"; color: var(--danger); font-weight: 700; }
.field .hint, .field .hint-line { line-height: 1.4; }
.field:focus-within > label { color: var(--accent-strong); }

/* ---------- dicionário de acordes ---------- */
.chord-naming-toggle { margin-top: 6px; padding-left: 0; font-size: .9rem; width: fit-content; }
.chord-toolbar { display: flex; flex-direction: column; gap: 14px; margin-bottom: 10px; }
.chord-toolbar-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; }
.chord-toolbar .search { flex: 1 1 260px; max-width: none; }
.chord-toolbar .segmented { display: inline-flex; flex-wrap: nowrap; width: fit-content; max-width: 100%; }
.chord-toolbar .segmented button { white-space: nowrap; }
.chord-filter { min-width: 150px; }
.chord-count { margin: 4px 2px 14px; font-size: .85rem; }
.chord-group { margin-top: 22px; }
.chord-group h2 { font-size: 1.15rem; margin-bottom: 10px; }
.chord-group h2 small { font-weight: 500; font-size: .85rem; }
.chord-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.chord-card { display: flex; flex-direction: column; gap: 8px; padding: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.chord-card:hover { border-color: var(--accent); }
.chord-card header { display: flex; flex-direction: column; line-height: 1.25; }
.chord-card header .muted { font-size: .76rem; }
.chord-title { font-size: 1.15rem; }
.chord-card footer { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: auto; }
.chord-notes { font-size: .78rem; color: var(--muted); font-weight: 600; }
.chord-svg { width: 100%; max-height: 120px; color: var(--text); }
.chord-none { font-size: .85rem; padding: 18px 0; }
.chord-nut, .chord-fret { stroke: var(--muted); stroke-width: 1; opacity: .6; }
.chord-nut.thick { stroke: currentColor; stroke-width: 3; opacity: 1; }
.chord-string { stroke: var(--muted); stroke-width: 1; opacity: .8; }
.chord-dot { fill: var(--accent); }
.chord-barre { fill: var(--accent); }
.chord-open { fill: none; stroke: currentColor; stroke-width: 1.4; }
.chord-mark { fill: currentColor; font-size: 12px; font-weight: 700; }
.chord-fretnum { fill: var(--muted); font-size: 10px; font-weight: 600; }
.chord-stringname { fill: var(--muted); font-size: 8.5px; }
.piano-white { fill: #fff; stroke: #9aa0b4; stroke-width: 1; }
.piano-black { fill: #232634; stroke: #232634; }
.piano-white.on { fill: var(--accent-soft); stroke: var(--accent); }
.piano-white.on { fill: color-mix(in srgb, var(--accent) 38%, #fff); }
.piano-black.on { fill: var(--accent-strong); stroke: var(--accent-strong); }
.piano-white.root { fill: var(--accent); }
.piano-black.root { fill: var(--accent); }

.chord-card[role="button"] { cursor: pointer; }
.chord-card[role="button"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.chord-zoom-overlay { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(10, 12, 20, .6); backdrop-filter: blur(2px); }
.chord-zoom { position: relative; width: min(460px, 100%); max-height: 100%; overflow: auto; outline: none; }
.chord-zoom-close { position: absolute; top: 10px; right: 10px; z-index: 1; }
.chord-card.zoomed { padding: 28px 26px 22px; gap: 16px; box-shadow: var(--shadow-lg, 0 20px 50px rgba(0, 0, 0, .35)); }
.chord-card.zoomed .chord-title { font-size: 2.2rem; }
.chord-card.zoomed header .muted { font-size: 1rem; }
.chord-card.zoomed .chord-svg { max-height: none; }
.chord-card.zoomed .chord-svg:not(.piano-svg) { width: 78%; margin: 0 auto; }
.chord-card.zoomed .chord-notes { font-size: 1.15rem; }
.chord-card.zoomed .icon-btn { font-size: 1.4rem; }

.import-queue-note { margin: 0 0 14px; }
.import-queue-note .bi { margin-right: 4px; }
.import-list { display: flex; flex-direction: column; gap: 10px; }
.import-item { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 12px 14px; }
.import-item > .bi { font-size: 1.5rem; color: var(--accent); }
.import-item .import-name { font-weight: 600; overflow-wrap: anywhere; }
.import-item .import-meta { color: var(--muted); font-size: .85rem; }
.import-item .import-actions { display: flex; gap: 8px; align-items: center; }
.import-status { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.import-status.completed { background: rgba(34, 160, 90, .14); color: #1f8a4c; }
.import-status.failed { background: rgba(214, 69, 69, .14); color: #c13a3a; }
@media (max-width: 600px) { .import-item { grid-template-columns: auto 1fr; } .import-item .import-actions { grid-column: 1 / -1; } }