:root {
    --primary: #00f3ff;
    --secondary: #bc13fe;
    --accent: #ff6b35;
    --bg-dark: #050510;
    --glass: rgba(10, 10, 15, 0.85);
    --border: rgba(0, 243, 255, 0.3);
    --font-head: 'Orbitron', sans-serif;
    --font-body: 'Roboto Mono', monospace;
    --font-read: 'Merriweather', serif;
    --text-main: #e0e0e0;
}

/* ============ SITE-WIDE THEMES ============
   The reader keeps its own variable names (unlike the shared
   app/theme-vars.css token set) since --accent and --font-body would
   otherwise collide with that file's tokens; these are hand-mapped
   equivalents of the same five palettes instead. Cyan is left as a
   near no-op since it's already this app's native look. Veil of
   Babel additionally gets the living candle/DNA background — see
   app/veil-theme.js, which mounts itself on any page purely from the
   data-theme="veil" attribute, no per-page wiring needed. */
[data-theme="patina"] {
    --primary: #c9a84c; --secondary: #438f7e; --accent: #c0392b;
    --bg-dark: #0c0a07; --glass: rgba(20,17,11,0.85); --border: rgba(201,168,76,0.3);
    --font-head: 'Cinzel', serif; --font-body: 'Cormorant Garamond', serif; --text-main: #d4c39a;
}
[data-theme="imperial"] {
    --primary: #e8c46a; --secondary: #c9514b; --accent: #a02828;
    --bg-dark: #100706; --glass: rgba(26,13,9,0.88); --border: rgba(232,196,106,0.3);
    --font-head: 'Cinzel', serif; --font-body: 'Cormorant Garamond', serif; --text-main: #e8d39a;
}
[data-theme="night"] {
    --primary: #e8d39a; --secondary: #88c0d0; --accent: #d05050;
    --bg-dark: #050810; --glass: rgba(11,18,31,0.88); --border: rgba(216,224,236,0.22);
    --font-head: 'Cinzel', serif; --font-body: 'Cormorant Garamond', serif; --text-main: #d8e0ec;
}
[data-theme="veil"] {
    --primary: #c5a059; --secondary: #4aa8a8; --accent: #8a1c1c;
    --bg-dark: #030303; --glass: rgba(12,12,14,0.65); --border: rgba(197,160,89,0.25);
    --font-head: 'Cinzel', serif; --font-body: 'Cormorant Garamond', serif; --text-main: #e6e6e6;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin: 0; background: var(--bg-dark); color: var(--text-main); font-family: var(--font-body); overflow-x: hidden; min-height: 100vh; }
#bg-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.8; pointer-events: none; }
#app-container { position: relative; z-index: 10; min-height: 100vh; display: flex; flex-direction: column; }

/* ============ SITE NAV ============ */
.site-nav { max-width: 1000px; margin: 0 auto; width: 100%; padding: 0.9rem 1.5rem 0; display: flex; align-items: center; gap: 1rem; box-sizing: border-box; }
.site-back { color: #888; text-decoration: none; letter-spacing: 0.15em; font-size: 0.7rem; font-family: var(--font-body); flex-shrink: 0; }
.site-back:hover { color: var(--primary); }
.site-brand { color: #555; font-size: 0.65rem; letter-spacing: 0.15em; font-family: var(--font-head); }

/* ============ COLLAPSIBLE (help + input panels) ============ */
.collapsible { max-width: 700px; width: calc(100% - 2rem); margin: 1rem auto 0; border-radius: 10px; overflow: hidden; background: rgba(255,255,255,0.02); border: 1px solid var(--border); flex-shrink: 0; }
.collapsible-header { width: 100%; display: flex; justify-content: space-between; align-items: center; background: rgba(0,243,255,0.06); border: none; color: var(--primary); padding: 0.85rem 1rem; font-family: var(--font-head); font-size: 0.72rem; letter-spacing: 0.05em; cursor: pointer; text-align: left; }
.collapsible-caret { transition: transform 0.2s; flex-shrink: 0; margin-left: 0.5rem; }
.collapsible.open .collapsible-caret { transform: rotate(180deg); }
.collapsible-body { display: none; padding: 1rem; }
.collapsible.open .collapsible-body { display: block; }
.empty-state { text-align: center; color: #555; font-family: var(--font-body); font-size: 0.85rem; padding: 3rem 1rem; }

/* STEP CARDS */
.step-card { width: 100%; max-width: 700px; border-radius: 12px; overflow: hidden; }
.step-header { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; font-family: var(--font-head); font-size: 0.75rem; letter-spacing: 0.1em; }
.step-num { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; flex-shrink: 0; }
.step-body { padding: 1rem; font-size: 0.85rem; line-height: 1.6; color: #ccc; }

/* Step 1 — Edge TTS */
.step-card.s1 { background: rgba(0,243,255,0.06); border: 1px solid rgba(0,243,255,0.3); }
.step-card.s1 .step-header { background: rgba(0,243,255,0.12); color: var(--primary); }
.step-card.s1 .step-num { background: var(--primary); color: #000; }

/* Step 2 — Load content */
.step-card.s2 { background: rgba(188,19,254,0.06); border: 1px solid rgba(188,19,254,0.3); }
.step-card.s2 .step-header { background: rgba(188,19,254,0.12); color: var(--secondary); }
.step-card.s2 .step-num { background: var(--secondary); color: #fff; }

/* Step 3 — Format */
.step-card.s3 { background: rgba(255,107,53,0.06); border: 1px solid rgba(255,107,53,0.25); }
.step-card.s3 .step-header { background: rgba(255,107,53,0.12); color: var(--accent); }
.step-card.s3 .step-num { background: var(--accent); color: #fff; }

/* Platform tabs */
.platform-tabs { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.ptab { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: #888; padding: 4px 12px; border-radius: 4px; cursor: pointer; font-size: 0.75rem; font-family: var(--font-body); transition: 0.2s; }
.ptab.active { background: rgba(0,243,255,0.15); border-color: var(--primary); color: var(--primary); }
.platform-inst { display: none; }
.platform-inst.active { display: block; }

.inst-step { display: flex; align-items: flex-start; gap: 0.6rem; margin-bottom: 0.5rem; }
.inst-arrow { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.kbd { display: inline-block; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 3px; padding: 1px 7px; font-size: 0.75rem; font-family: var(--font-body); white-space: nowrap; }
.highlight-tip { background: rgba(0,243,255,0.1); border-left: 3px solid var(--primary); padding: 0.5rem 0.75rem; border-radius: 0 4px 4px 0; margin-top: 0.75rem; font-size: 0.8rem; color: var(--primary); }

/* Upload area */
.upload-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.upload-box { flex: 1; min-width: 130px; border: 1px dashed var(--border); border-radius: 8px; padding: 1.2rem; cursor: pointer; background: rgba(0,0,0,0.3); color: var(--primary); transition: 0.2s; text-align: center; }
.upload-box:hover { background: rgba(0,243,255,0.08); border-color: var(--primary); transform: translateY(-2px); }
.upload-box .icon { font-size: 1.8rem; margin-bottom: 0.3rem; }
.text-input-area { width: 100%; background: rgba(0,0,0,0.5); border: 1px solid var(--border); color: #fff; padding: 1rem; border-radius: 8px; min-height: 90px; resize: vertical; font-family: var(--font-body); font-size: 0.85rem; }
.btn-large { background: linear-gradient(90deg, var(--secondary), var(--primary)); color: #000; border: none; padding: 0.9rem; font-size: 1rem; border-radius: 6px; font-weight: bold; cursor: pointer; width: 100%; font-family: var(--font-head); margin-top: 0.75rem; letter-spacing: 0.05em; }
.btn-large:hover { opacity: 0.9; }

/* Resume banner */
#resumeBanner { display: none; width: 100%; max-width: 700px; background: rgba(0,255,65,0.08); border: 1px solid #00ff41; color: #00ff41; padding: 0.75rem 1rem; border-radius: 8px; align-items: center; justify-content: space-between; gap: 1rem; }
#resumeBanner.visible { display: flex; }
.resume-info { font-size: 0.8rem; line-height: 1.5; }
.resume-info strong { font-family: var(--font-head); font-size: 0.7rem; }

/* ============ READER ============ */
#readerView { display: flex; flex-direction: column; margin-top: 1rem; }

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(10,10,15,0.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(20px); }
.nav-row { max-width: 1000px; margin: 0 auto; padding: 0.5rem 1rem; display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.nav-row-transport { padding-top: 0; padding-bottom: 0.6rem; justify-content: center; }
.nav-right-spacer { width: 40px; flex-shrink: 0; }

/* Hamburger menu — everything that isn't a transport control lives here so
   nothing can slide over/steal taps from play/pause/stop/next. */
.hamburger-wrap { position: relative; }
.hamburger-menu {
    display: none; position: absolute; top: calc(100% + 6px); left: 0; z-index: 210;
    background: rgba(5,5,10,0.98); border: 1px solid var(--border); border-radius: 8px;
    padding: 6px; min-width: 220px; flex-direction: column; gap: 2px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.6); backdrop-filter: blur(20px);
}
.hamburger-menu.open { display: flex; }
.hb-item {
    background: transparent; border: none; color: var(--text-main); text-align: left;
    padding: 0.6rem 0.7rem; border-radius: 5px; cursor: pointer; font-family: var(--font-body);
    font-size: 0.8rem; white-space: nowrap;
}
.hb-item:hover { background: rgba(0,243,255,0.1); color: var(--primary); }

/* Inline character row — replaces the sliding voice panel when a story has
   5 or fewer detected speakers, so voice assignment never covers transport. */
.char-row { display: flex; gap: 0.4rem; flex-wrap: wrap; padding: 0 1rem 0.5rem; max-width: 1000px; margin: 0 auto; }
.char-row:empty { display: none; padding: 0; }
.char-chip {
    background: rgba(0,0,0,0.5); border: 1px solid var(--border); color: var(--text-main);
    padding: 0.3rem 0.65rem; border-radius: 999px; cursor: pointer; font-family: var(--font-body);
    font-size: 0.72rem; display: flex; align-items: center; gap: 5px; white-space: nowrap;
}
.char-chip:hover { background: rgba(0,243,255,0.1); border-color: var(--primary); }
.char-chip .cc-name { color: var(--primary); font-weight: 700; }
.char-chip .cc-voice { color: #999; }

/* PLAYBACK CONTROLS */
.ctrl-bar { display: flex; align-items: center; gap: 0.35rem; }
.btn { background: rgba(0,0,0,0.6); color: var(--primary); border: 1px solid var(--border); padding: 0.45rem 0.8rem; border-radius: 4px; cursor: pointer; font-family: var(--font-head); font-size: 0.72rem; white-space: nowrap; transition: 0.15s; }
.btn:hover { background: rgba(0,243,255,0.1); }
.btn-play  { background: var(--secondary); color: #fff; border-color: var(--secondary); min-width: 88px; font-size: 0.75rem; }
.btn-icon  { padding: 0.45rem 0.6rem; }

/* Chapter select */
#chapterSelect { background: rgba(0,0,0,0.7); color: var(--primary); border: 1px solid var(--border); padding: 6px 8px; border-radius: 4px; font-family: var(--font-body); font-size: 0.78rem; max-width: 180px; }

/* Progress */
.progress-wrap { width: 100%; height: 3px; background: #111; }
#progressBar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--secondary), var(--primary)); transition: width 0.4s; }

/* CONTENT */
.container { max-width: 800px; margin: 1.5rem auto 6rem; padding: 0 1.5rem; }
.chapter h2 { font-family: var(--font-head); color: var(--primary); text-align: center; margin: 2rem 0 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.75rem; font-size: 1.1rem; }
.chapter-content p { font-family: var(--font-read); font-size: 1.1rem; line-height: 1.85; margin-bottom: 1.4em; padding: 0.5rem 0.75rem; border-radius: 4px; transition: background 0.2s; cursor: pointer; }
.chapter-content p:hover { background: rgba(255,255,255,0.03); }
.reading { background: rgba(0,243,255,0.1) !important; border-left: 3px solid var(--primary); box-shadow: 0 0 18px rgba(0,243,255,0.12); }
.spkr-block { position: relative; margin-bottom: 0.5rem; }
.spkr-tag { display: inline-block; font-family: var(--font-head); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.12em; color: #000; background: var(--secondary); padding: 2px 8px; border-radius: 3px; margin-bottom: 3px; text-transform: uppercase; }
.spkr-block p { font-style: italic; color: #c8f0ff; padding-left: 1rem; border-left: 2px solid rgba(0,243,255,0.25); }

/* ============ VOICE PANEL ============ */
.panel { position: fixed; top: 0; right: -460px; width: min(460px, 100vw); height: 100vh; background: rgba(5,5,10,0.98); border-left: 1px solid var(--primary); transition: right 0.3s; z-index: 200; overflow-y: auto; overflow-x: hidden; backdrop-filter: blur(20px); }
.panel.open { right: 0; }
.panel-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.2rem; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(5,5,10,0.98); z-index: 10; }
.panel-header-title { color: var(--primary); font-family: var(--font-head); font-size: 0.85rem; }
.panel-section { padding: 0.8rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
.panel-section-title { color: var(--secondary); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.6rem; font-family: var(--font-head); }

/* Sliders */
.slider-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.6rem; }
.slider-label { color: #aaa; font-size: 0.75rem; min-width: 60px; }
.slider-val { color: var(--primary); font-size: 0.75rem; min-width: 36px; text-align: right; }
input[type=range] { flex: 1; accent-color: var(--primary); }

/* Voice mapping */
.char-card { background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.07); border-radius: 8px; padding: 0.75rem; margin-bottom: 0.6rem; }
.char-name { color: var(--primary); font-family: var(--font-head); font-size: 0.72rem; margin-bottom: 0.5rem; }
.voice-status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; background: #444; cursor: help; }
.voice-status-dot.working { background: #00ff41; }
.voice-status-dot.broken  { background: #ff4141; }
.voice-status-dot.unknown { background: #888; }

/* Voice trigger — tap target that opens the shared voice picker, used
   inside sliding-panel char-cards (>5 speakers). */
.voice-trigger { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.15); padding: 8px 10px; border-radius: 4px; cursor: pointer; }
.voice-trigger:hover { border-color: var(--primary); }
.voice-trigger .vt-info { display: flex; flex-direction: column; min-width: 0; }
.voice-trigger .vt-name { color: #fff; font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.voice-trigger .vt-accent { color: #888; font-size: 0.68rem; }

/* ============ VOICE PICKER (shared: inline char row + sliding panel) ============ */
.voice-picker-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 300; display: none; }
.voice-picker-backdrop.open { display: block; }
.voice-picker {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: min(440px, 92vw); max-height: 82vh; background: rgba(8,8,14,0.98);
    border: 1px solid var(--primary); border-radius: 10px; z-index: 301;
    display: none; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,0.7);
    backdrop-filter: blur(20px); overflow: hidden;
}
.voice-picker.open { display: flex; }
.vp-header { display: flex; justify-content: space-between; align-items: center; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); font-family: var(--font-head); color: var(--primary); font-size: 0.85rem; flex-shrink: 0; }
.vp-body { overflow-y: auto; padding: 0.6rem 0.8rem 1rem; }
.vp-group-head { font-family: var(--font-head); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary); margin: 0.9rem 0 0.4rem; }
.vp-group-head:first-child { margin-top: 0; }
.vp-voice-row { display: flex; align-items: center; gap: 8px; padding: 6px 4px; border-radius: 4px; }
.vp-voice-row:hover { background: rgba(0,243,255,0.06); }
.vp-voice-main { flex: 1; display: flex; flex-direction: column; cursor: pointer; min-width: 0; }
.vp-voice-main .vn { color: #eee; font-size: 0.82rem; }
.vp-voice-main .vn.selected { color: var(--primary); font-weight: 700; }
.vp-voice-main .va { color: #777; font-size: 0.66rem; }
.vp-test-btn { background: rgba(0,243,255,0.1); border: 1px solid var(--border); color: var(--primary); padding: 4px 9px; border-radius: 4px; cursor: pointer; font-size: 0.72rem; flex-shrink: 0; }
.vp-test-btn:hover { background: rgba(0,243,255,0.25); }
.vp-showmore { width: 100%; margin-top: 0.7rem; background: transparent; border: 1px dashed var(--border); color: #888; padding: 8px; border-radius: 4px; cursor: pointer; font-size: 0.75rem; }
.vp-showmore:hover { color: var(--primary); border-color: var(--primary); }

/* Engine toggle */
.engine-badge { display: inline-block; padding: 4px 12px; border-radius: 4px; font-size: 0.7rem; font-family: var(--font-head); margin-bottom: 0.6rem; }
.engine-badge.edge { background: rgba(0,255,65,0.12); border: 1px solid #00ff41; color: #00ff41; }
.engine-badge.browser { background: rgba(255,165,0,0.12); border: 1px solid orange; color: orange; }

/* TTS Status */
#ttsStatus { position: fixed; bottom: 70px; right: 16px; background: rgba(0,0,0,0.92); border: 1px solid var(--primary); padding: 0.75rem 1rem; border-radius: 8px; display: none; z-index: 150; backdrop-filter: blur(10px); max-width: 240px; font-size: 0.8rem; }
#ttsStatus.active { display: block; }
#audioPlayer { display: none; }

/* Save slots panel */
.save-slot { display: flex; align-items: center; justify-content: space-between; background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.07); border-radius: 6px; padding: 0.5rem 0.75rem; margin-bottom: 0.4rem; font-size: 0.78rem; }
.save-slot-info { color: #aaa; }
.save-slot-info strong { color: var(--primary); display: block; font-size: 0.72rem; }
.save-slot-actions { display: flex; gap: 4px; }
.save-slot-actions button { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12); color: #ccc; padding: 3px 8px; border-radius: 3px; cursor: pointer; font-size: 0.7rem; }
.save-slot-actions button:hover { background: rgba(0,243,255,0.15); color: var(--primary); }

@media (max-width: 600px) {
    .nav-inner { gap: 0.4rem; }
    #chapterSelect { max-width: 120px; }
    .btn { padding: 0.4rem 0.6rem; font-size: 0.68rem; }
}

/* ============ RSVP ============ */
#rsvpOverlay {
    display: none; position: fixed; inset: 0; z-index: 900;
    background: var(--bg-dark); backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center;
}
#rsvpOverlay.open { display: flex; }
#rsvpSpeakerTag {
    color: var(--secondary); font-size: 1rem; margin-bottom: 1.5rem;
    text-transform: uppercase; letter-spacing: 0.3em; font-weight: bold; font-family: var(--font-head);
}
#rsvpStage {
    font-size: clamp(2.5rem, 8vw, 5rem); font-weight: 800; height: 160px; width: 90%; max-width: 700px;
    display: flex; align-items: center; justify-content: center; text-align: center;
    text-shadow: 0 0 25px var(--primary); font-family: var(--font-body);
    letter-spacing: -0.02em; color: #fff;
}
.rsvp-controls {
    position: absolute; bottom: 6vh; width: 90%; max-width: 560px;
    background: rgba(255,255,255,0.04); padding: 1.5rem; border-radius: 12px;
    border: 1px solid var(--border); box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}
#rsvpProgressWrap { width: 100%; height: 4px; background: #222; margin-bottom: 1.2rem; border-radius: 2px; overflow: hidden; }
#rsvpProgressBar { width: 0%; height: 100%; background: var(--primary); transition: width 0.1s linear; }
.rsvp-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.8rem; }
.rsvp-row:last-of-type { margin-bottom: 0; }
.rsvp-row input[type=range] { flex: 1; accent-color: var(--primary); }