:root {
    --bg: #0e0c0a;
    --bg-raised: #181410;
    --text: #c8b99a;
    --text-dim: #6b5d4d;
    --accent: #c45a3c;
    --accent-glow: #d4633e;
    --player-h: 3.5rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'EB Garamond', Georgia, 'Times New Roman', serif;
    font-size: 1.25rem;
    line-height: 1.9;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 640px;
    margin: 0 auto;
    padding: 3rem 1.5rem calc(var(--player-h) + 4rem);
}

/* --- Header --- */

header h1 {
    font-size: 2.2rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    color: var(--accent);
    margin-bottom: 2rem;
}

/* --- Navigation --- */

#parts-nav {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

#parts-nav button {
    background: none;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    padding: 0.35rem 0.9rem;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 2px;
}

#parts-nav button:hover {
    border-color: var(--text);
    color: var(--text);
}

#parts-nav button.active {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Text --- */

#text-container p {
    margin-bottom: 1.3em;
}

#text-container p.title {
    font-size: 1.6rem;
    text-align: center;
    color: var(--accent);
    margin-bottom: 0.3em;
    letter-spacing: 0.05em;
}

#text-container p.subtitle {
    font-size: 1rem;
    text-align: center;
    font-style: italic;
    color: var(--text-dim);
    margin-bottom: 2.5em;
}

/* --- Words (karaoke) --- */

.word {
    cursor: pointer;
    transition: color 0.2s ease, text-shadow 0.3s ease;
    padding: 0 1px;
}

.word:hover {
    color: var(--accent-glow) !important;
}

.word.past {
    color: var(--text);
}

.word.active {
    color: var(--accent-glow);
    text-shadow: 0 0 18px rgba(196, 90, 60, 0.45);
}

.word.future {
    color: var(--text-dim);
}

/* --- Next part overlay --- */

#next-overlay {
    text-align: center;
    margin-top: 2rem;
    padding: 2rem 0;
}

#next-overlay[hidden] {
    display: none;
}

#next-btn-overlay {
    background: none;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: inherit;
    font-size: 1.1rem;
    padding: 0.6rem 2rem;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 2px;
    animation: pulse 2s ease-in-out infinite;
}

#next-btn-overlay:hover {
    background: var(--accent);
    color: var(--bg);
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* --- Player bar --- */

#player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--player-h);
    background: var(--bg-raised);
    border-top: 1px solid #2a2420;
    padding: 0 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 100;
}

#play-btn {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color 0.2s;
}

#play-btn:hover {
    color: var(--accent);
}

#progress-wrap {
    flex: 1;
    height: 3px;
    background: #2a2420;
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

#progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    pointer-events: none;
}

#time {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
    min-width: 5.5rem;
    text-align: right;
    flex-shrink: 0;
}

/* --- Mobile --- */

@media (max-width: 600px) {
    #app { padding: 2rem 1rem calc(var(--player-h) + 3rem); }
    header h1 { font-size: 1.6rem; }
    body { font-size: 1.1rem; }
    #parts-nav button { font-size: 0.75rem; padding: 0.25rem 0.6rem; }
}