/* ═══════════════════════════════════════════════════════════════
   Ouro Web — Dark Mode Theme with Smooth Gradients
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ────────────────────────────────────────────── */
:root {
    /* Background */
    --bg-deep: #06060f;
    --bg-primary: #0a0a1a;
    --bg-panel: linear-gradient(145deg, #0f1025, #141432);
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-hover: rgba(255, 255, 255, 0.06);

    /* Accent Colors */
    --green: #00ff88;
    --green-dim: #00cc6a;
    --green-glow: 0 0 12px rgba(0, 255, 136, 0.3);
    --cyan: #00d4ff;
    --cyan-dim: #0099cc;
    --cyan-glow: 0 0 12px rgba(0, 212, 255, 0.3);
    --purple: #b388ff;
    --purple-dim: #8855dd;
    --purple-glow: 0 0 12px rgba(179, 136, 255, 0.3);
    --yellow: #ffd700;
    --yellow-dim: #ccaa00;
    --yellow-glow: 0 0 12px rgba(255, 215, 0, 0.3);
    --red: #ff4466;
    --red-dim: #cc2244;
    --red-glow: 0 0 12px rgba(255, 68, 102, 0.3);
    --orange: #ff8844;
    --blue: #4488ff;
    --blue-bright: #66aaff;

    /* Text */
    --text-primary: #e8e8f0;
    --text-secondary: #9999bb;
    --text-dim: #555577;
    --text-muted: #333355;

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(0, 212, 255, 0.15);

    /* Sizing */
    --panel-radius: 12px;
    --card-radius: 8px;
    --spacing: 12px;

    /* Fonts */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-display: 'Orbitron', var(--font-mono);
}

/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-mono);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    /* Subtle animated gradient bg */
    background: linear-gradient(135deg, #06060f 0%, #0a0a1a 40%, #0d0f28 70%, #080818 100%);
    background-attachment: fixed;
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ── Utility ──────────────────────────────────────────────────── */
.hidden { display: none !important; }
.dim { color: var(--text-dim); }

/* ── Header ───────────────────────────────────────────────────── */
#game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
    background: linear-gradient(180deg, rgba(10, 10, 26, 0.95), rgba(10, 10, 26, 0.7));
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 1.6rem;
    filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.5));
}

.header-title h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-dim);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--purple-dim), var(--blue));
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: var(--card-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.header-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

/* Settings modal
   ---------------------------------------------------------------- */
.settings-modal {
    width: min(480px, 92vw);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border);
}
.settings-header h2 {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 0.08em;
    color: var(--text-primary);
}
.settings-content {
    padding: 6px 0 8px;
    overflow-y: auto;
}
.settings-section {
    padding: 14px 20px;
}
.settings-section + .settings-section {
    border-top: 1px solid var(--border);
}
.settings-section-title {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 12px;
}
.settings-section-title.danger {
    color: var(--red);
}
.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.settings-row-label {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 3px;
}
.settings-row-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
    max-width: 280px;
}
.settings-value {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ── Pill toggle (shared by settings and welcome modal) ── */
.pill-toggle {
    position: relative;
    display: inline-block;
    width: 38px;
    height: 22px;
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
}
.pill-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.toggle-track {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s, border-color 0.2s;
}
.toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.pill-toggle input:checked + .toggle-track {
    background: var(--cyan);
    border-color: var(--cyan);
}
.pill-toggle input:checked + .toggle-track::after {
    transform: translateX(16px);
    background: #fff;
}
.danger-zone {
    background: rgba(255, 68, 102, 0.04);
    border-radius: 0 0 var(--card-radius) var(--card-radius);
}
.danger-btn {
    padding: 6px 14px;
    border-radius: 5px;
    border: 1px solid var(--red);
    background: transparent;
    color: var(--red);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
    flex-shrink: 0;
}
.danger-btn:hover {
    background: rgba(255, 68, 102, 0.15);
}

.settings-row-top { align-items: flex-start; }

#clear-save-area { text-align: right; }

.danger-inline-confirm {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    animation: toast-in 0.2s ease-out;
}
.danger-inline-warning {
    font-size: 0.75rem;
    color: var(--red);
    line-height: 1.5;
    text-align: right;
}
.danger-inline-btns {
    display: flex;
    gap: 6px;
}
.danger-btn-solid {
    padding: 6px 12px;
    border-radius: 5px;
    border: 1px solid var(--red);
    background: rgba(255, 68, 102, 0.18);
    color: var(--red);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.danger-btn-solid:hover { background: rgba(255, 68, 102, 0.35); }
.danger-btn-cancel {
    padding: 6px 12px;
    border-radius: 5px;
    border: 1px solid var(--border-accent);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.danger-btn-cancel:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ── Event Overlay ────────────────────────────────────────────── */
#event-overlay {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 8px 24px;
    font-weight: 600;
    letter-spacing: 1px;
    text-align: center;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    pointer-events: none;
    border-radius: 0 0 var(--panel-radius) var(--panel-radius);
}

#event-overlay #event-action-btn {
    pointer-events: all;
}

#event-overlay.golden {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.25), rgba(255, 215, 0, 0.15));
    color: var(--yellow);
    border-bottom: 1px solid rgba(255, 215, 0, 0.3);
    animation: golden-pulse 1.5s ease-in-out infinite;
}

#event-overlay.frenzy {
    background: linear-gradient(90deg, rgba(255, 136, 68, 0.15), rgba(255, 68, 102, 0.25), rgba(255, 136, 68, 0.15));
    color: var(--orange);
    border-bottom: 1px solid rgba(255, 136, 68, 0.3);
    animation: frenzy-pulse 0.3s ease-in-out infinite;
}

#event-overlay.challenge {
    background: linear-gradient(90deg, rgba(68, 136, 255, 0.15), rgba(68, 136, 255, 0.25), rgba(68, 136, 255, 0.15));
    color: var(--blue-bright);
    border-bottom: 1px solid rgba(68, 136, 255, 0.3);
}

#event-overlay.bargain {
    background: linear-gradient(90deg, rgba(179, 136, 255, 0.15), rgba(179, 136, 255, 0.25), rgba(179, 136, 255, 0.15));
    color: var(--purple);
    border-bottom: 1px solid rgba(179, 136, 255, 0.3);
}

#event-overlay.echo {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.25), rgba(0, 212, 255, 0.15));
    color: var(--cyan);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

#event-overlay.archetype {
    background: linear-gradient(90deg, rgba(140, 68, 255, 0.15), rgba(179, 136, 255, 0.30), rgba(140, 68, 255, 0.15));
    color: #c9a0ff;
    border-bottom: 1px solid rgba(179, 136, 255, 0.5);
    animation: archetype-pulse 2s ease-in-out infinite;
}

#event-action-btn {
    padding: 4px 14px;
    border-radius: 6px;
    border: 1px solid currentColor;
    background: rgba(255, 255, 255, 0.1);
    color: inherit;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

#event-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ── Toast Notifications ──────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
    width: max-content;
    max-width: min(480px, 90vw);
}

.toast {
    padding: 10px 16px;
    border-radius: var(--card-radius);
    background: rgba(20, 20, 50, 0.95);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
    font-size: 0.8rem;
    color: var(--text-primary);
    animation: toast-in 0.3s ease-out, toast-out 0.3s ease-in 3s forwards;
    max-width: 340px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.toast.success { border-color: rgba(0, 255, 136, 0.3); color: var(--green); }
.toast.warning { border-color: rgba(255, 215, 0, 0.3); color: var(--yellow); }
.toast.error { border-color: rgba(255, 68, 102, 0.3); color: var(--red); }

/* ── Main Layout ──────────────────────────────────────────────── */
#game-container {
    display: grid;
    grid-template-columns: 260px 1fr 280px;
    gap: var(--spacing);
    padding: calc(var(--spacing) + 30px) var(--spacing) var(--spacing);
    max-width: 1440px;
    margin: 0 auto;
    min-height: calc(100vh - 52px);
}

/* ── Panel Base ───────────────────────────────────────────────── */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    padding: 16px;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.panel-header {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* ── HUD Panel ────────────────────────────────────────────────── */
#hud-panel {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 2px 0;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.stat-value {
    font-weight: 600;
    font-size: 0.9rem;
}

.essence-glow { color: var(--green); text-shadow: var(--green-glow); }
.length-glow { color: var(--cyan); text-shadow: var(--cyan-glow); }
.scales-glow { color: var(--yellow); text-shadow: var(--yellow-glow); }
.combo-glow { color: var(--purple); text-shadow: var(--purple-glow); }

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 8px 0;
}

/* Goal */
.goal-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.goal-text {
    color: var(--text-secondary);
    font-size: 0.72rem;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-dim), var(--green));
    border-radius: 3px;
    transition: width 0.3s ease;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.goal-pct {
    color: var(--text-dim);
    font-size: 0.65rem;
    text-align: right;
}

/* Archetype & Curse */
.meta-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* ── Archetype Selector ─────────────────────────────────────── */
.panel-subheader {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 6px;
}

.archetype-select {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.archetype-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 8px 10px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.archetype-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.archetype-card:hover:not(.active):not(.locked):not(.on-cooldown)::before { opacity: 1; }
.archetype-card:hover:not(.active):not(.locked):not(.on-cooldown) {
    background: var(--bg-hover);
    border-color: var(--border-accent);
}

.archetype-card.active {
    border-color: rgba(0, 220, 255, 0.45);
    background: rgba(0, 220, 255, 0.06);
}

.archetype-card.active::before {
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0.7;
}

.archetype-card.locked {
    opacity: 0.45;
    cursor: not-allowed;
    border-color: var(--border);
}

.archetype-card.locked .archetype-card-name {
    color: var(--text-secondary);
}

.archetype-card.locked::before { display: none; }

.archetype-card.on-cooldown {
    opacity: 0.55;
    cursor: not-allowed;
}

.archetype-card.on-cooldown::before { display: none; }

.archetype-unlock-hint {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 2px;
}

.archetype-cooldown-badge {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.archetype-card-name {
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--cyan);
}

.archetype-card.active .archetype-card-name { color: var(--cyan); }

.archetype-active-badge {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    opacity: 0.8;
    white-space: nowrap;
}

.archetype-card-tagline {
    font-size: 0.67rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 2px 0 3px;
}

/* Archetype description: hidden by default, revealed on hover or when active */
.archetype-card .upgrade-effect {
    font-size: 0.67rem;
    color: var(--cyan);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.25s ease, opacity 0.2s ease, margin-top 0.2s ease;
    margin-top: 0;
}

.archetype-card:hover:not(.locked):not(.on-cooldown) .upgrade-effect,
.archetype-card.active .upgrade-effect {
    max-height: 10em;
    opacity: 1;
    margin-top: 4px;
}

.archetype-info {
    font-size: 0.72rem;
    color: var(--cyan);
}

.curse-info {
    font-size: 0.72rem;
    color: var(--red);
}

/* Temporary debuff — earned by mistakes, shows with countdown */
.curse-info.debuff-active {
    color: var(--orange);
    animation: debuff-pulse 1s ease-in-out infinite;
}

@keyframes debuff-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.6; }
}

@keyframes archetype-pulse {
    0%, 100% { opacity: 1;   filter: brightness(1.0); }
    50%       { opacity: 0.9; filter: brightness(1.3); }
}

/* Keybinds */
.keybinds {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    font-size: 0.65rem;
    color: var(--text-dim);
}

.kb {
    display: flex;
    align-items: center;
    gap: 3px;
}

kbd {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-secondary);
}

/* ── Center Panel ─────────────────────────────────────────────── */
#center-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

/* Snake Display */
#snake-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    text-align: center;
    padding: 24px 16px;
    overflow: visible; /* allow drop-shadow filter to bleed past panel edge */
}

.snake-art {
    display: block;
    width: 160px;
    height: 160px;
    transition: transform 0.15s ease, opacity 0.15s ease, filter 0.15s ease;
    will-change: transform, filter;
}

.snake-art.pulse {
    transform: scale(1.02);
    filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.55));
}

.snake-art.frenzy-mode {
    animation: frenzy-pulse 0.3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(255, 160, 0, 0.6));
}

.snake-length-heading {
    margin-top: 10px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #ff6b8a;
    text-shadow: 0 0 10px rgba(255, 107, 138, 0.5), 0 0 20px rgba(255, 107, 138, 0.2);
}

.snake-length {
    margin-top: 2px;
    font-family: 'Space Mono', var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    text-shadow: 0 0 14px rgba(0, 212, 255, 0.6), 0 0 28px rgba(0, 212, 255, 0.25);
    width: 100%;
    text-align: center;
}

/* ── Shed Progress Bar (under length in snake display) ──────── */
.shed-bar-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    padding: 0;
}

.shed-bar-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    min-height: 1.4em;    /* prevent text changes from reflowing panel height */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.shed-bar-track {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    overflow: hidden;
}

.shed-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--yellow-dim), var(--yellow));
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.35);
    transition: width 0.3s ease;
    will-change: opacity, box-shadow;
}

.shed-bar-fill.shed-ready {
    background: linear-gradient(90deg, var(--yellow), #ffe066);
    box-shadow: 0 0 14px rgba(255, 215, 0, 0.6);
    animation: shed-pulse 1s ease-in-out infinite;
}

.shed-bar-fill.shed-ascend {
    background: linear-gradient(90deg, var(--purple-dim), var(--purple));
    box-shadow: 0 0 14px rgba(179, 136, 255, 0.6);
    animation: shed-pulse 1s ease-in-out infinite;
}

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

/* ── Rhythm Panel ─────────────────────────────────────────────── */
#rhythm-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 16px 20px;
    overflow: visible;
}

.jaw-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.2;
    transition: color 0.08s ease, filter 0.08s ease;
}

.jaw {
    margin: 0;
    white-space: pre;
    transition: color 0.1s, text-shadow 0.1s;
}

.jaw.jaw-perfect { color: var(--blue-bright); text-shadow: 0 0 12px rgba(68, 136, 255, 0.5); }
.jaw.jaw-good { color: var(--green); text-shadow: 0 0 12px rgba(0, 255, 136, 0.4); }
.jaw.jaw-miss { color: var(--red); text-shadow: 0 0 12px rgba(255, 68, 102, 0.4); }
.jaw.jaw-idle { color: var(--text-secondary); }
.jaw.jaw-locked { color: var(--text-dim); }
.jaw.jaw-frenzy { color: var(--yellow); text-shadow: 0 0 15px rgba(255, 215, 0, 0.6); }
.jaw.jaw-venom { color: var(--red); text-shadow: 0 0 15px rgba(255, 68, 102, 0.6); animation: venom-glow 0.4s ease-in-out infinite; }

.jaw-hint {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 2px 0;
    transition: color 0.1s;
}

.jaw-hint.hint-bite { color: var(--green); text-shadow: var(--green-glow); }
.jaw-hint.hint-wait { color: var(--text-dim); }
.jaw-hint.hint-venom { color: var(--red); text-shadow: var(--red-glow); animation: venom-glow 0.4s ease-in-out infinite; }
.jaw-hint.hint-frenzy { color: var(--yellow); text-shadow: var(--yellow-glow); }

/* Beat bar */
.beat-bar-container {
    width: 100%;
    max-width: 400px;
    padding: 4px 0;
}

.beat-bar-track {
    position: relative;
    height: 8px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
    overflow: visible;
}

.beat-zone {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 4px;
}

.perfect-zone {
    background: rgba(68, 136, 255, 0.25);
    left: 50%;
    transform: translateX(-50%);
}

.good-zone {
    background: rgba(0, 255, 136, 0.12);
    left: 50%;
    transform: translateX(-50%);
}

.beat-cursor {
    position: absolute;
    top: -3px;
    width: 4px;
    height: 14px;
    background: var(--text-primary);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
    /* No CSS transition — cursor must always reflect exact computed position.
       A transition adds up to 16ms visual lag, causing right-side-of-zone misses. */
}

/* Feedback — fixed-height container prevents scale animation from shifting flex siblings */
.feedback-container {
    position: relative;
    height: 1.3em;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.feedback {
    position: absolute;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-align: center;
    white-space: nowrap;
}

.feedback.fb-perfect    { color: var(--blue-bright); text-shadow: 0 0 15px rgba(68, 136, 255, 0.5); animation: feedback-pop 0.3s ease-out; }
.feedback.fb-good       { color: var(--green); text-shadow: 0 0 15px rgba(0, 255, 136, 0.4); animation: feedback-pop 0.3s ease-out; }
/* Auto Bite: steel-cyan italic to signal passive proc */
.feedback.fb-auto-good  { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 220, 255, 0.45); animation: feedback-pop 0.3s ease-out; font-style: italic; letter-spacing: 2px; }
/* Honed Bite: gold — Improved Bite upgraded a good to perfect */
.feedback.fb-honed      { color: #ffd700; text-shadow: 0 0 14px rgba(255, 215, 0, 0.65), 0 0 28px rgba(255, 165, 0, 0.3); animation: feedback-pop 0.3s ease-out; }
.feedback.fb-miss       { color: var(--red); text-shadow: 0 0 10px rgba(255, 68, 102, 0.4); animation: feedback-shake 0.3s ease-out; }
.feedback.fb-idle-miss  { color: var(--text-secondary); text-shadow: 0 0 8px rgba(153, 153, 187, 0.25); animation: feedback-pop 0.2s ease-out; }
.feedback.fb-saved      { color: var(--yellow); text-shadow: 0 0 15px rgba(255, 215, 0, 0.5); animation: feedback-pop 0.3s ease-out; }
.feedback.fb-fading { opacity: 0; transition: opacity 0.3s ease-out; }

.rhythm-stats {
    display: flex;
    gap: 16px;
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.rhythm-stat {
    color: var(--text-secondary);
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    text-align: right;
}

#rhythm-bpm            { width: 11ch; }
#rhythm-tap-bpm        { width:  9ch; }
#rhythm-perfect-streak { width: 13ch; }
#rhythm-combo-count    { width: 12ch; }
#rhythm-combo          { width: 10ch; }

.rhythm-hint {
    font-size: 0.65rem;
    color: var(--text-dim);
    font-style: italic;
    letter-spacing: 1px;
    transition: color 0.3s, text-shadow 0.3s;
}

.rhythm-hint.post-frenzy {
    color: #ff9900;
    text-shadow: 0 0 8px rgba(255, 153, 0, 0.6);
    min-height: 1.5em;  /* lock height so text changes don't shift panels below */
    display: flex;
    align-items: center;
    justify-content: center;
}

.rhythm-hint.debuff-active {
    font-style: normal;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #ff6060;
    text-shadow: 0 0 10px rgba(255, 80, 80, 0.5);
    animation: debuff-pulse 1s ease-in-out infinite;
}

.rhythm-hint.full-mode {
    font-style: normal;
    font-size: 0.70rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--yellow);
    text-shadow: 0 0 6px rgba(255, 215, 0, 0.5), 0 0 14px rgba(255, 215, 0, 0.2);
    animation: full-coil-pulse 2s ease-in-out infinite;
}

/* ── Bite Button ──────────────────────────────────────────────── */
.bite-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 14px 32px;
    border: 2px solid var(--green-dim);
    border-radius: var(--panel-radius);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.08), rgba(0, 255, 136, 0.02));
    color: var(--green);
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all 0.15s;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    overflow: hidden;
}

.bite-btn:hover {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.15), rgba(0, 255, 136, 0.05));
    border-color: var(--green);
    box-shadow: var(--green-glow), inset 0 0 20px rgba(0, 255, 136, 0.05);
}

.bite-btn:active, .bite-btn.pressed {
    transform: scale(0.97);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.25), rgba(0, 255, 136, 0.1));
    box-shadow: var(--green-glow), inset 0 0 30px rgba(0, 255, 136, 0.1);
}

.bite-btn.frenzy-mode {
    border-color: var(--yellow);
    color: var(--yellow);
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.15), rgba(255, 136, 68, 0.05));
    animation: frenzy-pulse 0.3s ease-in-out infinite;
}

.bite-btn.full-mode {
    border-color: var(--yellow-dim);
    color: var(--yellow);
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.10), rgba(255, 215, 0, 0.03));
    box-shadow: 0 0 18px rgba(255, 215, 0, 0.2);
    animation: full-coil-pulse 2s ease-in-out infinite;
}

.bite-btn.full-mode:hover {
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.18), rgba(255, 215, 0, 0.07));
    border-color: var(--yellow);
    box-shadow: var(--yellow-glow), inset 0 0 20px rgba(255, 215, 0, 0.06);
}

@keyframes full-coil-pulse {
    0%, 100% { box-shadow: 0 0 12px rgba(255, 215, 0, 0.15); border-color: var(--yellow-dim); }
    50%       { box-shadow: 0 0 26px rgba(255, 215, 0, 0.40); border-color: var(--yellow); }
}

.bite-icon { font-size: 1.4rem; }
.bite-label { font-size: 1rem; font-weight: 700; letter-spacing: 2px; }
.bite-sub { font-size: 0.6rem; color: var(--text-dim); }

/* ── Prestige Panel ───────────────────────────────────────────── */
.prestige-panel {
    padding: 12px 16px;
}

#prestige-content {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    min-height: 2em;
}

.prestige-buttons {
    display: flex;
    gap: 8px;
}

.run-stats {
    margin-top: 8px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
}

.run-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 6px 8px;
    min-width: 0;
}

.run-stat-label {
    font-size: 0.56rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.run-stat-value {
    margin-top: 2px;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--cyan);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.action-btn {
    flex: 1;
    padding: 8px 12px;
    border-radius: var(--card-radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.action-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.action-btn:not(:disabled):hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
}

.shed-btn:not(:disabled) {
    border-color: rgba(255, 215, 0, 0.2);
    color: var(--yellow);
}

.shed-btn:not(:disabled):hover {
    background: rgba(255, 215, 0, 0.08);
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.1);
}

.ascend-btn:not(:disabled) {
    border-color: rgba(179, 136, 255, 0.3);
    color: var(--purple);
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.08), rgba(68, 136, 255, 0.05));
}

.ascend-btn:not(:disabled):hover {
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.15), rgba(68, 136, 255, 0.1));
    box-shadow: var(--purple-glow);
}

.btn-key {
    display: inline-block;
    padding: 1px 5px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.65rem;
}

/* ── Upgrade Panel ────────────────────────────────────────────── */
#upgrade-panel {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    max-height: calc(100vh - 76px);
}

.upgrade-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.no-offerings {
    color: var(--text-dim);
    font-size: 0.75rem;
    font-style: italic;
    text-align: center;
    padding: 20px 0;
}

.upgrade-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, opacity 0.2s;
    position: relative;
    overflow: hidden;
}

.upgrade-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.upgrade-card:hover:not(.maxed):not(.unaffordable) {
    background: var(--bg-hover);
    border-color: var(--border-accent);
}

.upgrade-card:hover:not(.maxed):not(.unaffordable)::before {
    opacity: 1;
}

.upgrade-card.affordable {
    border-color: rgba(0, 255, 136, 0.15);
}

.upgrade-card.unaffordable {
    opacity: 0.6;
}

.upgrade-card.maxed {
    opacity: 0.5;
    border-color: rgba(0, 255, 136, 0.1);
}

.upgrade-card.maxed::before {
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    opacity: 0.3;
}

.upgrade-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}

.upgrade-name {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--green);
}

.upgrade-card.unaffordable .upgrade-name { color: var(--red-dim); }
.upgrade-card.maxed .upgrade-name { color: var(--green-dim); }

.upgrade-key {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-right: 4px;
}

.upgrade-level {
    font-size: 0.65rem;
    color: var(--text-dim);
}

.upgrade-desc {
    font-size: 0.68rem;
    color: var(--text-dim);
    font-style: italic;
    margin-bottom: 2px;
    line-height: 1.4;
}

.upgrade-effect {
    font-size: 0.68rem;
    color: var(--cyan-dim);
    font-weight: 500;
    margin-bottom: 4px;
    line-height: 1.4;
}

.upgrade-cost {
    font-size: 0.72rem;
    font-weight: 600;
}

.upgrade-cost.affordable { color: var(--green-dim); }
.upgrade-cost.unaffordable { color: var(--red-dim); }
.upgrade-cost.maxed { color: var(--green); }

/* ── Ascension Modal ──────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    animation: fade-in 0.3s ease;
}

/* ── Welcome Modal ────────────────────────────────────────────── */
.welcome-modal {
    max-width: 520px;
    width: min(520px, 92vw);
    padding: 32px 32px 40px;
    text-align: center;
    max-height: 92vh;
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(0, 212, 255, 0.08);
}

.welcome-snake-glyph {
    font-size: 3rem;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 12px rgba(0, 255, 136, 0.5));
    animation: welcome-float 3s ease-in-out infinite;
}

@keyframes welcome-float {
    0%, 100% { transform: translateY(0);    }
    50%       { transform: translateY(-6px); }
}

.welcome-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--green), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
    display: block;
}

.welcome-flavor {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 0;
}

.welcome-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
    margin: 20px 0;
}

.welcome-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: left;
}

.welcome-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    padding: 12px 14px;
}

.welcome-step-icon {
    font-size: 1.4rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.welcome-step-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.welcome-step-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.welcome-step-desc kbd {
    font-size: 0.65rem;
}

.welcome-hint {
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-bottom: 20px;
    text-align: center;
}

.welcome-hint strong {
    color: var(--text-secondary);
}

.welcome-toggle-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 12px;
}
.welcome-toggle-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    user-select: none;
}

.welcome-close-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 4px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 212, 255, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--card-radius);
    color: var(--cyan);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
}

.welcome-close-btn:hover {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.25), rgba(0, 212, 255, 0.18));
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-1px);
}

@media (max-height: 1100px) {
    .welcome-modal {
        padding: 22px 24px 24px;
        max-height: 94vh;
    }

    .welcome-snake-glyph {
        font-size: 2.2rem;
        margin-bottom: 6px;
    }

    .welcome-title {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }

    .welcome-flavor {
        font-size: 0.74rem;
        line-height: 1.5;
    }

    .welcome-divider {
        margin: 14px 0;
    }

    .welcome-steps {
        gap: 10px;
    }

    .welcome-step {
        gap: 10px;
        padding: 10px 12px;
    }

    .welcome-step-icon {
        font-size: 1.15rem;
    }

    .welcome-step-title {
        font-size: 0.8rem;
        margin-bottom: 2px;
    }

    .welcome-step-desc {
        font-size: 0.71rem;
        line-height: 1.45;
    }

    .welcome-hint {
        margin-bottom: 12px;
        font-size: 0.69rem;
    }
}

.modal {
    background: linear-gradient(145deg, #12122a, #1a1a3e);
    border: 1px solid rgba(179, 136, 255, 0.2);
    border-radius: 16px;
    padding: 28px 32px;
    max-width: 560px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(179, 136, 255, 0.1);
}

.modal h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 3px;
    text-align: center;
    background: linear-gradient(135deg, var(--purple), var(--blue-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.modal-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.78rem;
    margin-bottom: 16px;
}

.modal-scales {
    text-align: center;
    font-size: 0.9rem;
    color: var(--yellow);
    font-weight: 600;
    margin-bottom: 16px;
    text-shadow: var(--yellow-glow);
}

.ascension-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.asc-upgrade {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    transition: all 0.2s;
}

.asc-upgrade.can-buy {
    border-color: rgba(179, 136, 255, 0.2);
    cursor: pointer;
}

.asc-upgrade.can-buy:hover {
    background: var(--bg-hover);
    border-color: rgba(179, 136, 255, 0.4);
}

.asc-upgrade-info {
    flex: 1;
}

.asc-upgrade-name {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--purple);
}

.asc-upgrade-desc {
    font-size: 0.68rem;
    color: var(--text-dim);
}

.asc-upgrade-cost {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--yellow-dim);
    white-space: nowrap;
    margin-left: 12px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.modal-actions .action-btn {
    min-width: 140px;
    justify-content: center;
}

/* ── Animations ───────────────────────────────────────────────── */
@keyframes golden-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes frenzy-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

@keyframes venom-glow {
    0%, 100% { text-shadow: 0 0 10px rgba(255, 68, 102, 0.4); }
    50% { text-shadow: 0 0 20px rgba(255, 68, 102, 0.7), 0 0 30px rgba(255, 0, 40, 0.3); }
}

@keyframes feedback-pop {
    0% { transform: scale(1.4); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes feedback-shake {
    0%  { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(2px); }
    100%{ transform: translateX(0); }
}

@keyframes toast-in {
    from { transform: translateX(40px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes toast-out {
    from { opacity: 1; }
    to   { opacity: 0; transform: translateY(-10px); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Guide Modal ──────────────────────────────────────────────── */
.guide-modal {
    max-width: 640px;
    width: 92%;
    height: 82vh;
    display: flex;
    flex-direction: column;
}

.guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.guide-header h2 {
    margin-bottom: 0;
}

.guide-close-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
}

.guide-close-btn:hover {
    color: var(--text-primary);
}

.guide-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.guide-tab {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.2s;
}

.guide-tab:hover {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.guide-tab.active {
    background: rgba(179, 136, 255, 0.12);
    border-color: rgba(179, 136, 255, 0.3);
    color: var(--purple);
}

.guide-content {
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
    font-size: 0.78rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

.guide-content h3 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    color: var(--cyan);
    margin: 20px 0 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.guide-content h3:first-child {
    margin-top: 0;
}

.guide-content p {
    margin: 0 0 10px;
    color: var(--text-secondary);
}

.guide-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.guide-content .guide-item {
    padding: 8px 10px;
    margin: 6px 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
}

.guide-content .guide-item-name {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--purple);
    margin-bottom: 2px;
}

.guide-content .guide-item-name.cyan { color: var(--cyan); }
.guide-content .guide-item-name.yellow { color: var(--yellow); }
.guide-content .guide-item-name.green { color: var(--green); }
.guide-content .guide-item-name.red { color: var(--red); }
.guide-content .guide-item-name.orange { color: var(--orange); }

.guide-content .guide-item-desc {
    font-size: 0.72rem;
    color: var(--text-dim);
    line-height: 1.55;
}

.guide-content .guide-tier-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 16px 0 6px;
    padding: 4px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.guide-content .guide-tier-label:first-of-type {
    margin-top: 8px;
}

.guide-content .stat-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 12px;
    font-size: 0.72rem;
}

.guide-content .stat-table th {
    text-align: left;
    padding: 5px 8px;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.68rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}

.guide-content .stat-table td {
    padding: 5px 8px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.guide-content .stat-table tr:last-child td {
    border-bottom: none;
}

.guide-content .stat-table td:first-child {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
}

.guide-content ul {
    margin: 4px 0 10px 16px;
    padding: 0;
}

.guide-content li {
    margin-bottom: 3px;
}

.guide-content .keybind-hint {
    display: inline-block;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 0.68rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1100px) {
    #game-container {
        grid-template-columns: 220px 1fr 240px;
    }
}

@media (max-width: 860px) {
    #game-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        padding-top: var(--spacing);
    }
    #hud-panel {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }
    .stat-group { flex-direction: row; gap: 16px; }
    .stat { flex-direction: column; gap: 2px; }
    .divider { display: none; }
    .keybinds { justify-content: center; }
    #upgrade-panel { max-height: none; }
}

/* ── Mobile / Touch ───────────────────────────────────────────── */
@media (max-width: 600px) {
    /* Header — compact so all buttons fit */
    #game-header {
        padding: 6px 10px;
        gap: 6px;
    }
    .logo-icon { font-size: 1.3rem; }
    .header-title h1 {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    .subtitle { display: none; }
    .badge {
        font-size: 0.6rem;
        padding: 2px 6px;
        letter-spacing: 0;
    }
    .header-btn {
        padding: 5px 7px;
        font-size: 0.9rem;
    }
    .header-right { gap: 4px; }

    /* Keybinds — keyboard shortcuts irrelevant on touch */
    .keybinds { display: none; }

    /* Action buttons — hide key-hint labels */
    .btn-key { display: none; }

    /* Bite button — large tap target */
    .bite-btn {
        padding: 20px 32px;
        width: 100%;
    }
    .bite-icon { font-size: 2rem; }
    .bite-label { font-size: 1.2rem; }
    .bite-sub { display: none; }

    /* Action buttons — bigger tap targets */
    .action-btn {
        padding: 12px 16px;
        font-size: 0.85rem;
        justify-content: center;
    }

    /* Event overlay action button — easy to tap */
    #event-action-btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

    /* Upgrade cards — ensure full-width on small screens */
    .upgrade-card {
        padding: 10px 12px;
    }
}