/* ═══════════════════════════════════════════════════
   SUNO ELECTRO VOCAL PROMPT GENERATOR — STYLES
   ═══════════════════════════════════════════════════ */

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

:root {
    --bg: #05050e;
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --accent: #06d6a0;
    --accent-light: #34d399;
    --accent-glow: rgba(6, 214, 160, 0.25);
    --secondary: #f472b6;
    --secondary-light: #f9a8d4;
    --secondary-glow: rgba(244, 114, 182, 0.25);
    --warm: #fbbf24;
    --warm-light: #fcd34d;
    --card-bg: rgba(255,255,255,0.025);
    --card-border: rgba(255,255,255,0.06);
    --text: rgba(255,255,255,0.88);
    --text-muted: rgba(255,255,255,0.5);
    --text-dim: rgba(255,255,255,0.28);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: #fff;
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ── Background ── */
.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.back-link:hover {
color: var(--primary-light);;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    animation: drift 6s ease-in-out infinite alternate;
}

.orb-1 {
    width: 28rem; height: 28rem;
    top: -8rem; left: -6rem;
    background: rgba(99,102,241,0.22);
}

.orb-2 {
    width: 22rem; height: 22rem;
    bottom: -6rem; right: -4rem;
    background: rgba(6,214,160,0.18);
    animation-delay: 2s;
}

.orb-3 {
    width: 20rem; height: 20rem;
    top: 40%; left: 50%;
    background: rgba(244,114,182,0.12);
    animation-delay: 4s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes drift {
    0%   { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(30px, -20px) scale(1.08); opacity: 0.7; }
}

/* ── Container ── */
.container {
    position: relative;
    z-index: 10;
    max-width: 72rem;
    margin: 0 auto;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .container { padding: 3rem 1rem; }
}

/* ── Header ── */
.header {
    text-align: center;
    margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
    .header { margin-bottom: 3.5rem; }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .375rem 1rem;
    border-radius: 9999px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    color: var(--primary-light);
    font-size: .875rem;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: .5rem; height: .5rem;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 1.4s ease-in-out infinite;
}

@keyframes blink {
    0%,100% { opacity: 1; }
    50% { opacity: .35; }
}

.title {
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: -.03em;
    margin-bottom: 1rem;
    line-height: 1.15;
}

@media (min-width: 640px) { .title { font-size: 3rem; } }
@media (min-width: 1024px) { .title { font-size: 3.75rem; } }

.title-gradient {
    background: linear-gradient(135deg, var(--primary-light), var(--accent), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.title-white { color: var(--text); }

.subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 38rem;
    margin: 0 auto;
}

/* ── Section Title ── */
.section-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 1rem;
}

.section { margin-bottom: 2.5rem; }

/* ── Card ── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* ── Main Grid ── */
.main-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .main-grid { grid-template-columns: 1fr 1fr; }
}

.controls-column { display: flex; flex-direction: column; }

.output-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .output-column {
        position: sticky;
        top: 2rem;
        align-self: start;
    }
}

/* ── Presets ── */
.presets-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: .75rem;
}

@media (min-width: 640px) {
    .presets-grid { grid-template-columns: repeat(4,1fr); }
}

.preset-btn {
    padding: .75rem 1rem;
    border-radius: .75rem;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    text-align: left;
    cursor: pointer;
    transition: all .3s;
    color: #fff;
}

.preset-btn:hover {
    transform: scale(1.03);
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.12);
}

.preset-btn.active {
    background: rgba(99,102,241,0.18);
    border-color: rgba(99,102,241,0.5);
    box-shadow: 0 0 20px var(--primary-glow);
}

.preset-emoji { font-size: 1.25rem; }

.preset-name {
    font-size: .875rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    margin-top: .25rem;
}

.preset-btn.active .preset-name { color: var(--primary-light); }

/* ── Vocal Styles ── */
.vocal-styles-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: .5rem;
}

.vocal-style-btn {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    border-radius: .75rem;
    border: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
    text-align: left;
    cursor: pointer;
    transition: all .2s;
    color: #fff;
}

.vocal-style-btn:hover { background: rgba(255,255,255,0.05); }

.vocal-style-btn.active {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(6,214,160,0.15));
    border-color: rgba(99,102,241,0.4);
    box-shadow: 0 0 14px var(--primary-glow);
}

.vocal-style-emoji { font-size: 1.25rem; flex-shrink: 0; }
.vocal-style-info { min-width: 0; }

.vocal-style-label {
    font-size: .875rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vocal-style-desc {
    font-size: .75rem;
    color: rgba(255,255,255,0.4);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Effects ── */
.effects-container {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.effect-btn {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
    padding: .5rem .875rem;
    border-radius: 9999px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .2s;
}

.effect-btn:hover {
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.05);
}

.effect-btn.active {
    background: rgba(6,214,160,0.18);
    border-color: rgba(52,211,153,0.45);
    color: var(--accent-light);
    box-shadow: 0 0 12px var(--accent-glow);
}

.effect-close { margin-left: .25rem; font-size: .75rem; }

/* ── Mix / Production ── */
.mix-styles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: .5rem;
}

@media (min-width: 640px) {
    .mix-styles-grid { grid-template-columns: repeat(2,1fr); }
}

.mix-style-btn {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    border-radius: .75rem;
    border: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
    text-align: left;
    cursor: pointer;
    transition: all .2s;
    color: #fff;
}

.mix-style-btn:hover { background: rgba(255,255,255,0.05); }

.mix-style-btn.active {
    background: linear-gradient(135deg, rgba(244,114,182,0.2), rgba(251,191,36,0.12));
    border-color: rgba(244,114,182,0.4);
}

.mix-style-emoji { font-size: 1.25rem; }

.mix-style-label {
    font-size: .875rem;
    font-weight: 600;
    color: var(--text);
}

/* ── Energy & BPM ── */
.energy-bpm-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .energy-bpm-grid { grid-template-columns: 1fr 1fr; }
}

.energy-container {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.energy-btn {
    display: flex;
    align-items: center;
    gap: .375rem;
    padding: .5rem .75rem;
    border-radius: .5rem;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .2s;
}

.energy-btn:hover { color: rgba(255,255,255,0.7); }

.energy-btn.active {
    background: rgba(251,191,36,0.18);
    border-color: rgba(251,191,36,0.45);
    color: var(--warm-light);
}

/* BPM Slider */
.bpm-slider {
    width: 100%;
    height: .5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 9999px;
    appearance: none;
    cursor: pointer;
    outline: none;
}

.bpm-slider::-webkit-slider-thumb {
    appearance: none;
    width: 1.25rem; height: 1.25rem;
    border-radius: 50%;
    background: var(--primary-light);
    box-shadow: 0 0 12px var(--primary-glow);
    cursor: pointer;
}

.bpm-slider::-moz-range-thumb {
    width: 1.25rem; height: 1.25rem;
    border-radius: 50%;
    background: var(--primary-light);
    border: none;
    box-shadow: 0 0 12px var(--primary-glow);
    cursor: pointer;
}

.bpm-labels {
    display: flex;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--text-dim);
    margin-top: .25rem;
}

/* ── Key & Custom ── */
.lang-custom-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.key-container {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.key-btn {
    display: flex;
    align-items: center;
    gap: .375rem;
    padding: .5rem .85rem;
    border-radius: .5rem;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .2s;
}

.key-btn:hover { color: rgba(255,255,255,0.7); }

.key-btn.active {
    background: rgba(99,102,241,0.18);
    border-color: rgba(99,102,241,0.45);
    color: var(--primary-light);
}

.custom-input {
    width: 100%;
    padding: .75rem 1rem;
    border-radius: .75rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text);
    font-size: .875rem;
    outline: none;
    transition: all .2s;
}

.custom-input::placeholder { color: rgba(255,255,255,0.25); }

.custom-input:focus {
    border-color: rgba(99,102,241,0.5);
    box-shadow: 0 0 0 2px rgba(99,102,241,0.12);
}

/* ── Output Cards ── */
.output-card {
    border-radius: 1rem;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.output-card-primary {
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(6,214,160,0.06));
    border: 1px solid rgba(99,102,241,0.2);
}

.output-card-secondary {
    background: linear-gradient(135deg, rgba(244,114,182,0.08), rgba(251,191,36,0.06));
    border: 1px solid rgba(244,114,182,0.2);
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.output-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.output-title-primary { color: var(--primary-light); }
.output-title-secondary { color: var(--secondary-light); }

.copy-btn {
    padding: .375rem 1rem;
    border-radius: .5rem;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s;
    border: 1px solid;
}

.copy-btn-primary {
    background: rgba(99,102,241,0.2);
    color: var(--primary-light);
    border-color: rgba(99,102,241,0.3);
}

.copy-btn-primary:hover { background: rgba(99,102,241,0.3); }

.copy-btn-secondary {
    background: rgba(244,114,182,0.2);
    color: var(--secondary-light);
    border-color: rgba(244,114,182,0.3);
}

.copy-btn-secondary:hover { background: rgba(244,114,182,0.3); }

.copy-btn.copied {
    background: rgba(34,197,94,0.2) !important;
    color: #86efac !important;
    border-color: rgba(34,197,94,0.3) !important;
}

.output-content {
    background: rgba(0,0,0,0.3);
    border-radius: .75rem;
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.output-text {
    color: rgba(255,255,255,0.8);
    font-size: .875rem;
    line-height: 1.6;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    word-break: break-word;
}

.output-hint {
    font-size: .75rem;
    color: var(--text-dim);
    margin-top: .75rem;
}

/* ── Tips ── */
.tips-card { margin-bottom: 0; }

.tips-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.tips-list li {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    font-size: .875rem;
    color: var(--text-muted);
}

.tips-list li b { color: rgba(255,255,255,0.7); }

.tip-bullet {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: .125rem;
}

/* ── Stats ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: .75rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: .75rem;
    padding: 1rem;
    text-align: center;
}

.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-value-primary { color: var(--primary-light); }
.stat-value-accent  { color: var(--accent); }
.stat-value-secondary { color: var(--secondary); }
.stat-label { font-size: .75rem; color: var(--text-dim); margin-top: .25rem; }

.crosslinks {
            margin-top: 3rem; margin-bottom: 0;
            padding: 1.5rem;
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 1rem;
        }
        .crosslinks-title {
            font-size: .75rem; font-weight: 600;
            color: rgba(255,255,255,0.35);
            text-transform: uppercase; letter-spacing: .1em;
            margin-bottom: 1rem;
            display: flex; align-items: center; gap: .5rem;
        }
        .crosslinks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: .625rem;
        }
        .crosslink {
            display: flex; align-items: center; gap: .625rem;
            padding: .75rem 1rem;
            border-radius: .75rem;
            background: rgba(255,255,255,0.025);
            border: 1px solid rgba(255,255,255,0.05);
            text-decoration: none; color: #fff;
            transition: all .25s;
        }
        .crosslink:hover {
            background: rgba(255,255,255,0.05);
            border-color: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }
        .crosslink-emoji { font-size: 1.25rem; }
        .crosslink-info { min-width: 0; }
        .crosslink-name {
            font-size: .8125rem; font-weight: 600;
            color: rgba(255,255,255,0.85);
        }
        .crosslink-sub {
            font-size: .6875rem;
            color: rgba(255,255,255,0.35);
        }

/* ── Footer ── */
.footer {
    margin-top: 4rem;
    text-align: center;
    padding-bottom: 2rem;
}
 .share-block {
            padding: 1.25rem;
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: .875rem;
            text-align: center;
        }
        .share-title {
            font-size: .75rem; font-weight: 600;
            color: rgba(255,255,255,0.35);
            text-transform: uppercase; letter-spacing: .08em;
            margin-bottom: .75rem;
        }
        .share-buttons {
            display: flex; justify-content: center;
            flex-wrap: wrap; gap: .5rem;
        }
        .share-btn {
            display: inline-flex; align-items: center; gap: .375rem;
            padding: .5rem 1rem; border-radius: .5rem;
            font-size: .8125rem; font-weight: 500;
            text-decoration: none; color: rgba(255,255,255,0.7);
            border: 1px solid rgba(255,255,255,0.06);
            background: rgba(255,255,255,0.03);
            transition: all .25s; cursor: pointer;
        }
        .share-btn:hover {
            background: rgba(255,255,255,0.06);
            color: #fff;
            transform: translateY(-1px);
        }
        .share-btn-tg:hover { border-color: rgba(38,166,227,0.3); }
        .share-btn-vk:hover { border-color: rgba(76,117,163,0.3); }
        .share-btn-tw:hover { border-color: rgba(29,155,240,0.3); }
        .share-btn-copy:hover { border-color: rgba(139,92,246,0.3); }
.footer p { color: rgba(255,255,255,0.2); font-size: .875rem; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

::selection { background: rgba(99,102,241,0.35); color: #fff; }