/**
 * Writing Pad v2 — Clean Lined Paper + Perform/Record Modes
 * Plain white text in Write mode, colors only in celebrations + Perform mode
 * 
 * @package MuzeArk Player
 * @since 3.80.0
 */

/* ═══════════════════════════════════════════════════════════════
   MODE TOGGLE TABS
   ═══════════════════════════════════════════════════════════════ */
.wp-mode-toggle {
    display: flex;
    gap: 2px;
    padding: 8px 20px;
    border-bottom: 1px solid var(--mz-border, #1a1a1a);
}

.wp-mode-tab {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--mz-text-dim, #555);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.15s;
    border-radius: 4px;
}

.wp-mode-tab:hover {
    color: var(--mz-text, #fff);
    background: var(--mz-border, #1a1a1a);
}

.wp-mode-tab.active {
    color: #000;
    background: var(--mz-accent, #e2ba87);
}

.wp-mode-tab[data-mode="record"].active {
    background: #ef4444;
    color: #fff;
}

.wp-mute-indicator {
    display: none;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    padding: 8px 14px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    border-radius: 4px;
    color: #ef4444;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    animation: wpMutePulse 1.5s ease-in-out infinite;
}

.wp-mute-indicator.show {
    display: flex;
}

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

/* ═══════════════════════════════════════════════════════════════
   WRITE MODE — LINED PAPER (plain)
   ═══════════════════════════════════════════════════════════════ */
.wp-write-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.wp-write-view.hidden {
    display: none;
}

/* Textarea page container */
.wp-textarea-page {
    flex: 1;
    display: none;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.wp-textarea-page.active {
    display: flex;
}

/* Section header */
.wp-section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 20px;
}

.wp-section-name {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--mz-text-dim, #555);
}

.wp-section-target {
    font-size: 12px;
    color: var(--mz-text-muted, #333);
}

/* Progress bar (subtle) */
.wp-section-prog {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    margin-bottom: 12px;
}

.wp-section-prog-bar {
    flex: 1;
    height: 2px;
    background: var(--mz-border, #1a1a1a);
    border-radius: 1px;
    overflow: hidden;
}

.wp-section-prog-fill {
    height: 100%;
    width: 0%;
    background: #22c55e;
    transition: width 0.3s;
}

.wp-section-prog-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--mz-text-muted, #333);
}

/* Lined paper container */
.wp-lined-paper {
    flex: 1;
    margin: 0 20px;
    background: var(--mz-surface, #111);
    border: 1px solid var(--mz-border, #1a1a1a);
    border-radius: 6px;
    overflow-y: auto;
    overflow-x: hidden;
}

.wp-lined-paper::-webkit-scrollbar {
    width: 4px;
}

.wp-lined-paper::-webkit-scrollbar-thumb {
    background: var(--mz-border, #222);
    border-radius: 2px;
}

/* Bar row */
.wp-bar-row {
    display: flex;
    align-items: stretch;
    min-height: 44px;
    position: relative;
}

.wp-bar-row:last-child .wp-bar-input {
    border-bottom: none;
}

/* Bar number — plain, lights up on completion */
.wp-bar-num {
    width: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--mz-text-muted, #333);
    border-right: 2px solid rgba(239, 68, 68, 0.6); /* RED divider */
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

/* Bar input — plain white */
.wp-bar-input {
    flex: 1;
    padding: 12px 14px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(59, 130, 246, 0.4); /* BLUE writing line */
    font-family: 'Outfit', -apple-system, sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: var(--mz-text, #fff);
    outline: none;
}

.wp-bar-input:focus {
    border-bottom-color: rgba(59, 130, 246, 0.7); /* Brighter blue on focus */
}

.wp-bar-input::placeholder {
    color: var(--mz-text-muted, #333);
    font-weight: 400;
}

/* Active state — very subtle */
.wp-bar-row.active {
    background: rgba(255, 255, 255, 0.01);
}

/* Completed — number lights up green */
.wp-bar-row.complete .wp-bar-num {
    color: #22c55e;
    text-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

/* ⚡ bolt — lights up green on completion */
.wp-bar-bolt {
    width: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.wp-bar-bolt svg {
    width: 16px;
    height: 16px;
    stroke: #22c55e;
    fill: #22c55e;
}

.wp-bar-row.complete .wp-bar-bolt {
    opacity: 1;
    filter: drop-shadow(0 0 6px rgba(34, 197, 94, 0.6));
}

/* ═══════════════════════════════════════════════════════════════
   DOPAMINE — BAR COLLECT ANIMATION
   ═══════════════════════════════════════════════════════════════ */
@keyframes wpBarCollect {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-40px) scale(1.3); opacity: 0; }
}

.wp-bar-collect {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 800;
    color: #22c55e;
    animation: wpBarCollect 0.8s ease-out forwards;
    pointer-events: none;
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.8);
    z-index: 10;
}

.wp-bar-collect svg {
    width: 16px;
    height: 16px;
    stroke: #22c55e;
    fill: none;
    filter: drop-shadow(0 0 4px rgba(34, 197, 94, 0.8));
}

/* ═══════════════════════════════════════════════════════════════
   PERFORM/RECORD MODE — BREAKDOWN VIEW (colors here)
   ═══════════════════════════════════════════════════════════════ */
.wp-perform-view {
    flex: 1;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.wp-perform-view.active {
    display: flex;
}

/* Stats bar — colored numbers */
.wp-perform-stats {
    display: flex;
    gap: 20px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--mz-border, #1a1a1a);
    flex-wrap: wrap;
}

.wp-perform-stat {
    display: flex;
    align-items: center;
    gap: 6px;
}

.wp-perform-stat-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 26px;
    line-height: 1;
}

.wp-perform-stat-num.gold { color: #e2ba87; }
.wp-perform-stat-num.green { color: #22c55e; }
.wp-perform-stat-num.blue { color: #3b82f6; }
.wp-perform-stat-num.red { color: #ef4444; }
.wp-perform-stat-num.purple { color: #a855f7; }

.wp-perform-stat-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--mz-text-muted, #333);
    text-transform: uppercase;
}

/* Skill badge — colored */
.wp-perform-skill {
    margin-left: auto;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    background: var(--mz-border, #1a1a1a);
    color: var(--mz-text-dim, #555);
}

.wp-perform-skill.elite { background: #e2ba87; color: #000; }
.wp-perform-skill.advanced { background: #3b82f6; color: #fff; }
.wp-perform-skill.intermediate { background: #22c55e; color: #fff; }
.wp-perform-skill.developing { background: #f59e0b; color: #000; }

/* Bars container */
.wp-perform-bars {
    flex: 1;
    padding: 0;
    overflow-y: auto;
}

.wp-perform-bars::-webkit-scrollbar {
    width: 4px;
}

.wp-perform-bars::-webkit-scrollbar-thumb {
    background: var(--mz-border, #222);
    border-radius: 2px;
}

/* Section containers (like Write mode pages) */
.wp-perform-section {
    display: none;
    flex-direction: column;
    padding: 16px 20px;
    min-height: 100%;
}

.wp-perform-section.active {
    display: flex;
}

.wp-perform-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 0 12px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--mz-border, #1a1a1a);
}

.wp-perform-section-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--mz-accent, #e2ba87);
}

/* Section separator (legacy - for scrolling mode) */
.wp-perform-section-sep {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0 8px;
    opacity: 0;
    transition: opacity 0.4s;
}

.wp-perform-section-sep.show {
    opacity: 1;
}

.wp-perform-section-sep-line {
    flex: 1;
    height: 1px;
    background: var(--mz-border, #1a1a1a);
}

.wp-perform-section-sep-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--mz-text-dim, #555);
}

/* Individual bar */
.wp-perform-bar {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    opacity: 0;
    transform: translateY(8px);
    position: relative;
}

.wp-perform-bar.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.wp-perform-bar.active {
    border-bottom-color: #e2ba87;
}

/* Beat sync — current playing bar */
.wp-perform-bar.sync-active {
    background: rgba(226, 186, 135, 0.1);
    border-bottom-color: #e2ba87;
    box-shadow: inset 3px 0 0 #e2ba87;
}

.wp-perform-bar.sync-active .wp-perform-bar-num {
    color: #e2ba87;
    text-shadow: 0 0 8px rgba(226, 186, 135, 0.6);
}

.wp-perform-bar.sync-active .wp-perform-bar-text {
    text-shadow: 0 0 20px rgba(226, 186, 135, 0.3);
}

.wp-perform-bar-num {
    width: 28px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--mz-text-muted, #333);
    text-align: right;
}

.wp-perform-bar-text {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--mz-text, #fff);
}

/* Scheme letter — colored */
.wp-perform-bar-scheme {
    width: 24px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    text-align: center;
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.3s, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wp-perform-bar-scheme.show {
    opacity: 1;
    transform: scale(1);
}

.wp-perform-bar-scheme.a { color: #e2ba87; }
.wp-perform-bar-scheme.b { color: #3b82f6; }
.wp-perform-bar-scheme.c { color: #a855f7; }
.wp-perform-bar-scheme.d { color: #06b6d4; }
.wp-perform-bar-scheme.e { color: #22c55e; }
.wp-perform-bar-scheme.f { color: #f97316; }

/* Chain tag */
.wp-perform-chain-tag {
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    background: #ef4444;
    color: #fff;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.4s ease;
}

.wp-perform-chain-tag.show {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* ═══════════════════════════════════════════════════════════════
   RHYME HIGHLIGHTS — Solid Color Blocks (Perform mode only)
   ═══════════════════════════════════════════════════════════════ */
.wp-rh {
    display: inline;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 800;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wp-rh.show {
    opacity: 1;
    transform: scale(1);
}

/* Rhyme highlight colors */
.wp-rh-gold   { background: #e2ba87; color: #000; }
.wp-rh-blue   { background: #3b82f6; color: #fff; }
.wp-rh-green  { background: #22c55e; color: #fff; }
.wp-rh-red    { background: #ef4444; color: #fff; }
.wp-rh-pink   { background: #ec4899; color: #fff; }
.wp-rh-cyan   { background: #06b6d4; color: #fff; }
.wp-rh-purple { background: #a855f7; color: #fff; }
.wp-rh-orange { background: #f97316; color: #fff; }
.wp-rh-lime   { background: #84cc16; color: #000; }
.wp-rh-teal   { background: #14b8a6; color: #fff; }
.wp-rh-amber  { background: #f59e0b; color: #000; }
.wp-rh-indigo { background: #6366f1; color: #fff; }
.wp-rh-rose   { background: #f43f5e; color: #fff; }
.wp-rh-sky    { background: #0ea5e9; color: #fff; }
.wp-rh-brown  { background: #a0845c; color: #fff; }
.wp-rh-emerald { background: #059669; color: #fff; }
.wp-rh-fuchsia { background: #d946ef; color: #fff; }

/* Hot animation for chain bursts */
.wp-rh.hot {
    animation: wpHotPulse 1.2s ease-in-out infinite;
}

@keyframes wpHotPulse {
    0%, 100% { box-shadow: 0 0 0 0 transparent; }
    50% { box-shadow: 0 0 12px 3px currentColor; }
}

/* Dim for soft rhymes */
.wp-rh.dim {
    opacity: 0.6;
    font-weight: 700;
}

/* Word wrapper for partial highlights */
.wp-word-wrap {
    display: inline;
}

/* ═══════════════════════════════════════════════════════════════
   QUATRAIN SEPARATOR
   ═══════════════════════════════════════════════════════════════ */
.wp-perform-quatrain-sep {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0 6px;
    opacity: 0;
    transition: opacity 0.4s;
    border-bottom: none !important;
}

.wp-perform-quatrain-sep.show {
    opacity: 1;
}

.wp-perform-quatrain-sep-line {
    flex: 1;
    height: 1px;
    background: var(--mz-border, #1a1a1a);
}

.wp-perform-quatrain-sep-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--mz-text-muted, #333);
}

/* ═══════════════════════════════════════════════════════════════
   LEGEND
   ═══════════════════════════════════════════════════════════════ */
.wp-perform-legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 20px;
    border-top: 1px solid var(--mz-border, #1a1a1a);
}

.wp-perform-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: var(--mz-text-muted, #333);
}

.wp-perform-legend-swatch {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY / LOADING STATES
   ═══════════════════════════════════════════════════════════════ */
.wp-perform-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    text-align: center;
}

.wp-perform-empty-icon {
    font-size: 40px;
    opacity: 0.4;
}

.wp-perform-empty-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--mz-text-dim, #555);
}

.wp-perform-empty-text {
    font-size: 13px;
    color: var(--mz-text-muted, #333);
    max-width: 280px;
}

.wp-perform-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px;
    font-size: 14px;
    color: var(--mz-text-dim, #555);
}

.wp-perform-loading::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--mz-border, #1a1a1a);
    border-top-color: #e2ba87;
    border-radius: 50%;
    animation: wpSpin 0.8s linear infinite;
}

@keyframes wpSpin {
    to { transform: rotate(360deg); }
}

/* ═══════════════════════════════════════════════════════════════
   BADGE POPUP
   ═══════════════════════════════════════════════════════════════ */
.wp-badge-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: #111;
    border: 3px solid #e2ba87;
    border-radius: 16px;
    padding: 24px 40px;
    text-align: center;
    z-index: 30000;
    pointer-events: none;
    box-shadow: 0 0 80px rgba(226, 186, 135, 0.4);
}

.wp-badge-popup.show {
    animation: wpBadgePop 2s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes wpBadgePop {
    0% { transform: translate(-50%, -50%) scale(0) rotate(-5deg); opacity: 0; }
    12% { transform: translate(-50%, -50%) scale(1.15) rotate(2deg); opacity: 1; }
    20% { transform: translate(-50%, -50%) scale(1) rotate(0); }
    75% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}

.wp-badge-icon {
    font-size: 42px;
}

.wp-badge-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 20px;
    letter-spacing: 3px;
    color: #e2ba87;
    margin-top: 4px;
}

.wp-badge-desc {
    font-size: 12px;
    color: var(--mz-text-dim, #555);
    margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 520px) {
    .wp-mode-toggle {
        padding: 6px 12px;
    }
    
    .wp-mode-tab {
        padding: 8px 12px;
        font-size: 10px;
    }
    
    .wp-section-head,
    .wp-section-prog {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .wp-lined-paper {
        margin: 0 12px;
    }
    
    .wp-bar-num {
        width: 32px;
        font-size: 10px;
    }
    
    .wp-bar-input {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    .wp-perform-stats {
        padding: 12px;
        gap: 12px;
    }
    
    .wp-perform-stat-num {
        font-size: 22px;
    }
    
    .wp-perform-bars {
        padding: 12px;
    }
    
    .wp-perform-bar-text {
        font-size: 14px;
    }
    
    .wp-perform-legend {
        padding: 10px 12px;
        gap: 10px;
    }
    
    .wp-perform-chain-tag {
        display: none;
    }
}