/**
 * OS TigerLab — Notes editor + Bookmarks toggle
 *
 * Drawer derecho colapsable con tabs: Notas | Marcadores.
 * No requiere modificar el player. Activación manual:
 *   <button data-ostl-notes-open>...</button>
 *   <button data-ostl-bookmark-toggle>...</button>
 */

/* =================================================================== */
/* DRAWER (notas + bookmarks compartidos)                                */
/* =================================================================== */
.ostl-notes-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(420px, 100%);
    background: var(--color-bg-elevated, #1E1E1E);
    color: var(--color-text-primary, #F5F5F5);
    border-left: 1px solid var(--color-border-default, #2A2A2A);
    z-index: var(--z-drawer, 5200);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--d-slow, 360ms) var(--ease-out-expo, cubic-bezier(0.16, 1, 0.3, 1));
}
.ostl-notes-drawer[data-open="true"] {
    transform: translateX(0);
    box-shadow: -16px 0 40px rgba(0,0,0,0.4);
}

.ostl-notes-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-3) var(--sp-4);
    padding-top: calc(var(--sp-3) + env(safe-area-inset-top, 0px));
    padding-right: calc(var(--sp-4) + env(safe-area-inset-right, 0px));
    border-bottom: 1px solid var(--color-border-default);
}
.ostl-notes-drawer__title {
    font-family: var(--font-display, 'Poppins', sans-serif);
    font-weight: 700;
    font-size: var(--fs-base, 1rem);
    margin: 0;
}
.ostl-notes-drawer__close {
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border-default);
    background: transparent;
    color: var(--color-text-primary);
    border-radius: var(--radius-md, 12px);
    cursor: pointer;
    display: grid; place-items: center;
}
.ostl-notes-drawer__close:hover { background: var(--color-bg-secondary, #161616); }

.ostl-notes-drawer__tabs {
    display: flex; gap: 4px;
    padding: var(--sp-2) var(--sp-3);
    padding-right: calc(var(--sp-3) + env(safe-area-inset-right, 0px));
    border-bottom: 1px solid var(--color-border-default);
}
.ostl-notes-drawer__tab {
    flex: 1;
    background: transparent;
    border: 0;
    color: var(--color-text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-pill, 999px);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: background var(--d-fast), color var(--d-fast);
}
.ostl-notes-drawer__tab[data-active="true"] {
    background: color-mix(in oklab, var(--color-accent, #00FF9C) 18%, var(--color-bg-secondary));
    color: var(--color-accent);
}
.ostl-notes-drawer__tab:hover {
    background: var(--color-bg-secondary, #161616);
    color: var(--color-text-primary);
}

.ostl-notes-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-3) var(--sp-4);
    padding-right: calc(var(--sp-4) + env(safe-area-inset-right, 0px));
    padding-bottom: calc(var(--sp-3) + env(safe-area-inset-bottom, 0px));
}

/* =================================================================== */
/* NOTAS                                                                */
/* =================================================================== */
.ostl-note-item {
    background: var(--color-bg-secondary, #161616);
    border: 1px solid var(--color-border-default, #2A2A2A);
    border-radius: var(--radius-md, 12px);
    padding: var(--sp-3);
    margin-bottom: var(--sp-2);
    cursor: pointer;
    transition: border-color var(--d-fast), transform var(--d-fast);
}
.ostl-note-item:hover {
    border-color: color-mix(in oklab, var(--color-accent, #00FF9C) 40%, var(--color-border-default));
    transform: translateX(-2px);
}
.ostl-note-item__meta {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: var(--sp-1);
    font-size: 11px;
    color: var(--color-text-secondary);
}
.ostl-note-item__excerpt {
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: var(--color-text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.ostl-note-item__page {
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: 10px;
    color: var(--color-accent);
    background: color-mix(in oklab, var(--color-accent) 12%, transparent);
    padding: 2px 6px;
    border-radius: 4px;
}

.ostl-notes-empty {
    text-align: center;
    color: var(--color-text-secondary);
    padding: var(--sp-6) var(--sp-3);
    font-size: var(--fs-sm);
}

/* Editor */
.ostl-notes-editor {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}
.ostl-notes-editor__textarea {
    width: 100%;
    min-height: 240px;
    padding: var(--sp-3);
    background: var(--color-bg-secondary, #161616);
    border: 1px solid var(--color-border-default, #2A2A2A);
    color: var(--color-text-primary);
    border-radius: var(--radius-md, 12px);
    font-family: var(--font-body);
    font-size: var(--fs-sm, 0.9375rem);
    line-height: 1.55;
    resize: vertical;
    outline: none;
    transition: border-color var(--d-fast);
}
.ostl-notes-editor__textarea:focus {
    border-color: var(--color-accent, #00FF9C);
}
.ostl-notes-editor__meta {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-secondary);
}
.ostl-notes-editor__actions {
    display: flex; gap: var(--sp-2);
    margin-top: var(--sp-2);
}

/* =================================================================== */
/* BOOKMARKS                                                            */
/* =================================================================== */
.ostl-bookmark-item {
    display: flex; align-items: center; gap: var(--sp-2);
    padding: var(--sp-3);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md, 12px);
    margin-bottom: var(--sp-2);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: border-color var(--d-fast);
}
.ostl-bookmark-item:hover {
    border-color: color-mix(in oklab, var(--color-accent, #00FF9C) 40%, var(--color-border-default));
}
.ostl-bookmark-item__star {
    color: #FBBF24;
    flex-shrink: 0;
}
.ostl-bookmark-item__body { flex: 1; min-width: 0; }
.ostl-bookmark-item__title {
    font-size: var(--fs-sm);
    font-weight: 600;
    margin: 0 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ostl-bookmark-item__sub {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Toggle button (estrella en player) */
.ostl-bookmark-toggle {
    background: transparent;
    border: 1px solid var(--color-border-default);
    color: var(--color-text-secondary);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md, 12px);
    cursor: pointer;
    display: inline-grid; place-items: center;
    transition: color var(--d-fast), background var(--d-fast);
}
.ostl-bookmark-toggle:hover {
    color: #FBBF24;
    background: color-mix(in oklab, #FBBF24 10%, transparent);
}
.ostl-bookmark-toggle[data-active="true"] {
    color: #FBBF24;
    border-color: #FBBF24;
}
.ostl-bookmark-toggle[data-active="true"] svg {
    fill: #FBBF24;
    animation: ostl-bookmark-pop 320ms cubic-bezier(0.33, 1, 0.68, 1);
}
@keyframes ostl-bookmark-pop {
    0%   { transform: scale(0.7) rotate(-12deg); }
    60%  { transform: scale(1.25) rotate(8deg); }
    100% { transform: scale(1)   rotate(0); }
}

/* FAB para abrir el drawer */
.ostl-notes-fab {
    position: fixed;
    bottom: max(80px, calc(var(--safe-bottom, env(safe-area-inset-bottom, 0px)) + 64px));
    right: max(16px, var(--safe-right, env(safe-area-inset-right, 0px)));
    z-index: calc(var(--z-drawer, 5200) - 100);
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-accent, #00FF9C);
    color: var(--color-text-on-accent, #0A0A0A);
    border: 0;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-2);
    transition: transform var(--d-fast);
}
.ostl-notes-fab[data-visible="true"] { display: inline-flex; }
.ostl-notes-fab:hover { transform: scale(1.05); }
.ostl-notes-fab:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.ostl-notes-fab__count {
    position: absolute;
    top: -4px; right: -4px;
    background: #0A0A0A;
    color: var(--color-accent);
    border-radius: 999px;
    min-width: 18px; height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 700;
    line-height: 18px;
    border: 2px solid var(--color-accent);
}
.ostl-notes-fab__count[data-empty="true"] { display: none; }

@media (prefers-reduced-motion: reduce) {
    .ostl-notes-drawer,
    .ostl-bookmark-toggle[data-active="true"] svg { animation: none !important; transition-duration: 1ms !important; }
    .ostl-note-item:hover { transform: none; }
    .ostl-notes-fab:hover { transform: none; }
}
[data-theme="light"] .ostl-notes-drawer { background: #FFFFFF; color: #0A0A0A; }
[data-theme="light"] .ostl-note-item,
[data-theme="light"] .ostl-bookmark-item,
[data-theme="light"] .ostl-notes-editor__textarea { background: #F5F5F5; }