/* ═══════════════════════════════════════════════════════
   SongBuddy — Bright & Cute Theme v3  🌸
   Light pastel glassmorphism + vibrant accents
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap');

/* ── Design Tokens ────────────────────────────────────── */
:root {
    color-scheme: light;

    --bg-deep:       #fff0f5;
    --bg-primary:    #ffffff;
    --bg-card:       rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-input:      rgba(255, 255, 255, 0.9);
    --bg-input-focus:rgba(255, 255, 255, 1);

    --border:        rgba(0, 0, 0, 0.08);
    --border-focus:  rgba(192, 132, 252, 0.6);
    --border-active: rgba(255, 107, 157, 0.6);

    --accent-pink:   #ec4899;
    --accent-pink-d: #be185d;
    --accent-violet: #a855f7;
    --accent-cyan:   #06b6d4;
    --accent-amber:  #f59e0b;
    --accent-green:  #10b981;
    --danger:        #ef4444;
    --danger-bg:     rgba(239, 68, 68, 0.1);

    --ink:           #334155;
    --muted:         #64748b;
    --muted-light:   #94a3b8;

    --grad-primary:  linear-gradient(135deg, #ff6b9d 0%, #c084fc 50%, #67e8f9 100%);
    --grad-button:   linear-gradient(135deg, #ff6b9d 0%, #c084fc 100%);
    --grad-button-h: linear-gradient(135deg, #e0507e 0%, #a855f7 100%);
    --grad-card:     linear-gradient(135deg, rgba(255,107,157,0.1) 0%, rgba(192,132,252,0.1) 100%);

    --glass-blur:    saturate(1.2) blur(20px);
    --shadow:        0 8px 32px rgba(162, 162, 180, 0.25);
    --shadow-glow:   0 0 30px rgba(192, 132, 252, 0.3);
    --shadow-pink:   0 0 24px rgba(255, 107, 157, 0.35);

    --r-sm:   8px;
    --r-md:  14px;
    --r-lg:  20px;
    --r-xl:  28px;
    --r-full: 999px;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    min-height: 100%;
    background: linear-gradient(145deg, #fce4f0 0%, #fef0f5 30%, #f0e6ff 60%, #e8f4fd 100%);
    background-attachment: fixed;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

button, input, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }

/* ── Animated Background Orbs ─────────────────────────── */
.bg-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-orbs::before,
.bg-orbs::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.7;
    animation: orbFloat 18s var(--ease) infinite alternate;
}

.bg-orbs::before {
    width: 550px;
    height: 550px;
    top: -8%;
    left: -5%;
    background: radial-gradient(circle, #fbcfe8 0%, transparent 70%);
}

.bg-orbs::after {
    width: 450px;
    height: 450px;
    bottom: -10%;
    right: -5%;
    background: radial-gradient(circle, #ddd6fe 0%, transparent 70%);
    animation-delay: -9s;
    animation-duration: 22s;
}

body::before {
    content: '';
    position: fixed;
    width: 400px;
    height: 400px;
    top: 45%;
    left: 55%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, #bae6fd 0%, transparent 70%);
    filter: blur(110px);
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 25s var(--ease) infinite alternate-reverse;
}

@keyframes orbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    33%  { transform: translate(40px, -30px) scale(1.08); }
    66%  { transform: translate(-20px, 25px) scale(0.95); }
    100% { transform: translate(15px, -15px) scale(1.04); }
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — App Shell (ใช้ร่วมทุกหน้า)
   ══════════════════════════════════════════════════════════ */
.app-shell {
    position: relative;
    z-index: 1;
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
    padding: 20px 0 80px;
}

.songbuddy-footer {
    position: relative;
    z-index: 1;
    width: min(960px, calc(100% - 40px));
    margin: -36px auto 34px;
    padding: 18px 22px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, 0.75);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    color: var(--muted);
    text-align: center;
    box-shadow: var(--shadow);
}

.songbuddy-footer p {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.75;
}

.songbuddy-footer strong {
    color: var(--ink);
    font-weight: 800;
}

.songbuddy-footer a {
    color: var(--accent-cyan);
    font-weight: 800;
}

.songbuddy-footer a:hover {
    color: var(--accent-violet);
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Top Nav (floating glass bar)
   ══════════════════════════════════════════════════════════ */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 40px;
    padding: 10px 24px;
    border-radius: var(--r-full);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    text-decoration: none;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity 0.3s var(--ease);
}

.brand-link:hover { opacity: 0.8; }

.brand-logo {
    width: 25px;
    height: 25px;
    object-fit: contain;
    flex-shrink: 0;
}

.hero-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 8px;
    filter: drop-shadow(0 4px 12px rgba(236, 72, 153, 0.3));
}

.nav-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px;
}

.top-nav a:not(.brand-link) {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: var(--r-full);
    color: var(--muted);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.25s var(--ease);
}

.top-nav a:not(.brand-link):hover {
    border-color: var(--border-focus);
    background: rgba(192, 132, 252, 0.12);
    color: var(--accent-violet);
}

/* ── Nav Auth Buttons (guest users) ───────────────────── */
.nav-auth-register {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 18px;
    border-radius: var(--r-full);
    background: var(--grad-button);
    color: #fff !important;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    box-shadow: 0 2px 14px rgba(255, 107, 157, 0.25);
    transition: all 0.25s var(--ease);
    cursor: pointer;
}

.nav-auth-register:hover {
    box-shadow: 0 4px 22px rgba(255, 107, 157, 0.4);
    transform: translateY(-1px);
}

.nav-auth-login {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 16px;
    border: 1px solid rgba(192, 132, 252, 0.3);
    border-radius: var(--r-full);
    color: var(--accent-violet) !important;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.25s var(--ease);
    cursor: pointer;
}

.nav-auth-login:hover {
    border-color: var(--accent-violet);
    background: rgba(192, 132, 252, 0.1);
    box-shadow: 0 0 16px rgba(192, 132, 252, 0.15);
    transform: translateY(-1px);
}

/* ── Advanced Toggle Link ─────────────────────────────── */
.advanced-toggle-row {
    display: flex;
    justify-content: flex-end;
    margin-top: -4px;
}

.advanced-toggle-link {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    padding: 4px 0;
    transition: color 0.2s var(--ease);
}

.advanced-toggle-link:hover {
    color: var(--accent-violet);
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Hero / Toolbar  ★ CENTERED ★
   ══════════════════════════════════════════════════════════ */
.toolbar,
.player-header,
.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    margin-bottom: 36px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 8px;
    color: var(--accent-violet);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before,
.eyebrow::after {
    content: '';
    width: 24px;
    height: 1.5px;
    background: var(--grad-primary);
    border-radius: 2px;
}

h1 {
    max-width: 680px;
    margin-bottom: 0;
    font-size: clamp(1.9rem, 4vw, 3.2rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #be185d 0%, #9333ea 50%, #0891b2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    margin-bottom: 14px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ink);
}

h3 { margin-top: 0; }

.subcopy,
.field-help,
.small-note,
.playlist-card p,
.guide-panel p,
.now-playing small,
.queue-item small {
    color: var(--muted);
}

/* ── Stats Strip  ★ HORIZONTAL PILLS ★ ────────────────── */
.stats-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    min-width: 0;
}

.stats-strip div {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: none;
    transition: all 0.3s var(--ease);
    white-space: nowrap;
}

.stats-strip div:hover {
    border-color: var(--border-focus);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stats-strip strong {
    display: inline;
    font-size: 0.95rem;
    font-weight: 900;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stats-strip span {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
}

/* ── Notices ──────────────────────────────────────────── */
.notice {
    max-width: 640px;
    margin: 0 auto 18px;
    padding: 14px 18px;
    border-radius: var(--r-md);
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
}

.notice-error {
    border: 1px solid rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.08);
    color: var(--danger);
}

.notice-info {
    border: 1px solid rgba(52, 211, 153, 0.3);
    background: rgba(52, 211, 153, 0.08);
    color: var(--accent-green);
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Workspace  ★ SINGLE COLUMN CENTERED ★
   ══════════════════════════════════════════════════════════ */
.workspace {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Filter Panel (Form)  ★ CENTERED CARD ★
   ══════════════════════════════════════════════════════════ */
.filter-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 20px;
    width: 100%;
    max-width: 640px;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    position: relative;
}

/* gradient border accent at top */
.filter-panel::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 30px;
    right: 30px;
    height: 2px;
    background: var(--grad-primary);
    border-radius: 2px;
}

.form-section-title {
    margin: 8px 0 -2px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    color: var(--accent-violet);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.form-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    margin: 8px 0 -2px;
    padding-bottom: 8px;
}

.form-section-header .form-section-title {
    margin: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.form-section-title::before {
    display: inline-block;
    margin-right: 7px;
    font-size: 0.95rem;
}

.form-section-title:nth-of-type(1)::before { content: '📋'; }
.form-section-title:nth-of-type(2)::before { content: '🎛️'; }
.form-section-title:nth-of-type(3)::before { content: '⚙️'; }

.field {
    display: grid;
    gap: 6px;
}

.field-wide {
    grid-column: 1 / -1;
}

label {
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 700;
}

input,
select {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--r-sm);
    background-color: #ffffff;
    color: #1e293b;
    font-size: 0.92rem;
    outline: none;
    transition: all 0.25s var(--ease);
    -webkit-appearance: none;
}

select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
}

/* Dropdown options — white bg for visibility on light theme */
select,
select option {
    background-color: #ffffff !important;
    color: #1e293b !important;
}

select:focus {
    background-color: #ffffff !important;
}

input::placeholder { color: var(--muted-light); }

input:focus,
select:focus {
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.12),
                0 0 20px rgba(192, 132, 252, 0.06);
}

input:disabled {
    color: var(--muted-light);
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.06);
    cursor: not-allowed;
}

.filter-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    margin: 8px 0 -2px;
    padding-bottom: 8px;
}

.filter-heading-row .form-section-title {
    margin: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

input[type="checkbox"] {
    width: 16px !important;
    min-width: 16px !important;
    max-width: 16px !important;
    height: 16px !important;
    min-height: 16px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    accent-color: var(--accent-pink);
    -webkit-appearance: auto;
    appearance: auto;
}

input[type="checkbox"]:focus-visible {
    outline: 2px solid rgba(192, 132, 252, 0.7);
    outline-offset: 2px;
}

.thai-only-checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    width: auto;
    min-height: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s var(--ease);
}

.thai-only-checkbox:hover {
    color: var(--accent-violet);
}

.thai-only-checkbox input[type="checkbox"] {
    display: inline-block !important;
    flex: 0 0 16px !important;
    position: static !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.thai-only-checkbox span {
    display: inline-block;
}

.field-help,
.small-note {
    font-size: 0.82rem;
    line-height: 1.5;
}

.advanced-toggle {
    min-width: 190px;
    min-height: 38px;
    padding: 0 16px;
    font-size: 0.86rem;
}

.advanced-toggle::after {
    content: '↓';
    font-size: 0.9rem;
    transition: transform 0.3s var(--ease);
}

.advanced-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.advanced-filters {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    margin-top: -8px;
    pointer-events: none;
    transition:
        grid-template-rows 0.38s var(--ease),
        opacity 0.22s var(--ease),
        margin-top 0.3s var(--ease);
}

.advanced-filters.is-open {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 0;
    pointer-events: auto;
}

.advanced-filters-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 20px;
    min-height: 0;
    overflow: hidden;
}

.advanced-filters.is-open .advanced-filters-inner {
    padding-top: 4px;
}

.advanced-filters .form-section-title::before {
    content: '⚙️';
}

/* ── Buttons ──────────────────────────────────────────── */
.actions,
.player-controls,
.playlist-actions,
.member-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.member-actions {
    margin: 16px 0 10px;
    justify-content: center;
}

.primary-button,
.secondary-button,
.danger-button,
.google-button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--r-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.92rem;
    padding: 0 20px;
    text-decoration: none;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

.primary-button {
    border: none;
    background: var(--grad-button);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.25);
}

.primary-button:hover:not(:disabled) {
    background: var(--grad-button-h);
    box-shadow: 0 6px 30px rgba(255, 107, 157, 0.4);
    transform: translateY(-2px);
}

.primary-button:active:not(:disabled) {
    transform: translateY(0);
}

.primary-button:disabled {
    background: rgba(0, 0, 0, 0.06);
    color: var(--muted-light);
    box-shadow: none;
    cursor: not-allowed;
}

.secondary-button,
.google-button {
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--ink);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
}

.secondary-button:hover,
.google-button:hover {
    border-color: var(--border-focus);
    background: var(--bg-card-hover);
    color: var(--accent-violet);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.danger-button {
    border: 1px solid rgba(248, 113, 113, 0.3);
    background: var(--danger-bg);
    color: var(--danger);
}

.danger-button:hover {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.5);
}

/* ★ Big CTA button ★ */
.full-button {
    width: 100%;
    min-height: 58px;
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    border-radius: var(--r-md);
    animation: pulseGlow 3s var(--ease) infinite;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease;
}

.full-button::before {
    content: none;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 4px 20px rgba(255, 107, 157, 0.25); }
    50%      { box-shadow: 0 4px 36px rgba(255, 107, 157, 0.45), 0 0 60px rgba(192, 132, 252, 0.12); }
}

.full-button:hover:not(:disabled) {
    transform: scaleX(1.03) scaleY(0.95);
}

.full-button:active:not(:disabled) {
    transform: scaleX(1.08) scaleY(0.88) !important;
    transition-duration: 0.12s;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.full-button:disabled { animation: none; }
.full-button:disabled::before { content: none; }

/* ══════════════════════════════════════════════════════════
   LAYOUT — Guide Panel  ★ HORIZONTAL TIPS BAR ★
   ══════════════════════════════════════════════════════════ */
.guide-panel {
    width: 100%;
    max-width: 800px;
    padding: 28px 32px;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    text-align: center;
}

.guide-panel h2 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.guide-panel h2::before {
    content: '💡';
    margin-right: 6px;
}

.guide-panel p {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 12px;
}

.check-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    background: rgba(0, 0, 0, 0.02);
    font-size: 0.82rem;
    color: var(--muted);
    transition: all 0.25s var(--ease);
}

.check-list li:hover {
    border-color: var(--border-focus);
    background: var(--bg-card-hover);
    color: var(--ink);
}

.check-list li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(52, 211, 153, 0.12);
    color: var(--accent-green);
    font-size: 0.65rem;
    font-weight: 900;
    flex-shrink: 0;
}

/* ── Tags ─────────────────────────────────────────────── */
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    justify-content: center;
}

.tag-row span {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    background: var(--bg-card);
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
    transition: all 0.25s var(--ease);
}

.tag-row span:hover {
    border-color: var(--border-focus);
    color: var(--accent-violet);
}

.compact-tags {
    margin-top: 10px;
    justify-content: flex-start;
}

.compact-tags span {
    padding: 4px 10px;
    font-size: 0.76rem;
}

/* ── Like Button  ★ REDESIGNED ★ ──────────────────────── */
.like-form {
    margin: 0;
}

.save-playlist-form {
    margin: 0;
}

.like-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    padding: 0 12px;
    border: none;
    border-radius: var(--r-full);
    background: linear-gradient(135deg, rgba(255,107,157,0.15) 0%, rgba(192,132,252,0.1) 100%);
    border: 1px solid rgba(255, 107, 157, 0.25);
    color: var(--accent-pink);
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease,
                background 0.3s ease,
                border-color 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.like-button:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(255,107,157,0.25) 0%, rgba(192,132,252,0.18) 100%);
    border-color: rgba(255, 107, 157, 0.5);
    box-shadow: 0 0 24px rgba(255, 107, 157, 0.2);
    transform: scaleX(1.08) scaleY(0.93);
}

.like-button:active:not(:disabled) {
    transform: scaleX(1.16) scaleY(0.84) !important;
    transition-duration: 0.12s;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.like-button.is-liked {
    background: linear-gradient(135deg, var(--accent-pink) 0%, #e879a8 100%);
    border-color: var(--accent-pink);
    color: #fff;
    box-shadow: 0 4px 18px rgba(255, 107, 157, 0.3);
    cursor: default;
}

.like-icon {
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.3s var(--ease);
}

.like-button:hover:not(:disabled) .like-icon {
    transform: scale(1.2);
}

.like-text {
    font-size: 0.85rem;
}

.like-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.12);
    font-size: 0.75rem;
    font-weight: 900;
}

.like-button.is-liked .like-count {
    background: rgba(255, 255, 255, 0.25);
}

/* ── Copy Link Button ─────────────────────────────────── */
.playlist-like-widget {
    display: inline-flex;
    align-items: stretch;
    min-height: 40px;
    overflow: hidden;
    border: 1px solid rgba(255, 107, 157, 0.25);
    border-radius: var(--r-full);
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.15) 0%, rgba(192, 132, 252, 0.1) 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.08);
    transition:
        border-color 0.25s var(--ease),
        box-shadow 0.25s var(--ease),
        background 0.25s var(--ease);
}

.playlist-like-widget:hover {
    border-color: rgba(255, 107, 157, 0.5);
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.24) 0%, rgba(192, 132, 252, 0.17) 100%);
    box-shadow: 0 0 24px rgba(255, 107, 157, 0.18);
}

.playlist-like-widget .like-form {
    display: flex;
}

.playlist-like-widget .like-button {
    min-width: 44px;
    min-height: 40px;
    padding: 0 12px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.playlist-like-widget .like-button:hover:not(:disabled) {
    background: rgba(255, 107, 157, 0.16);
    border-color: transparent;
    box-shadow: none;
    transform: none;
}

.playlist-like-widget .like-button:active:not(:disabled) {
    transform: scale(0.92) !important;
}

.playlist-like-widget .like-button.is-liked,
.playlist-like-widget .like-button:disabled {
    border-color: transparent;
    background: rgba(255, 107, 157, 0.26);
    color: var(--accent-pink-d);
    box-shadow: none;
}

.like-count-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-height: 40px;
    padding: 0 12px 0 10px;
    border-left: 1px solid rgba(255, 107, 157, 0.22);
    color: var(--accent-pink);
    font-size: 0.82rem;
    font-weight: 900;
    line-height: 1;
    text-decoration: none;
    transition:
        background 0.2s var(--ease),
        color 0.2s var(--ease);
}

.like-count-link:hover {
    background: rgba(255, 107, 157, 0.1);
    color: var(--accent-pink-d);
}

.like-count-icon {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-pink);
    color: #fff;
    font-size: 0.66rem;
}

.playlist-like-widget .like-count {
    min-width: 0;
    height: auto;
    padding: 0;
    border-radius: 0;
    background: transparent;
}

.save-playlist-btn,
.copy-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    background: var(--bg-card);
    color: var(--muted);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
    text-decoration: none;
}

.copy-link-btn {
    width: 42px;
    padding: 0;
}

.save-playlist-btn {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.22) 0%, rgba(245, 158, 11, 0.15) 100%);
    border-color: rgba(180, 83, 9, 0.3);
    color: #92400e;
    font-weight: 700;
}

.save-playlist-btn:hover:not(:disabled) {
    border-color: rgba(180, 83, 9, 0.5);
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.32) 0%, rgba(245, 158, 11, 0.24) 100%);
    color: #78350f;
    box-shadow: 0 0 24px rgba(245, 158, 11, 0.2);
    transform: scaleX(1.08) scaleY(0.93);
}

.save-playlist-btn.is-saved,
.save-playlist-btn:disabled {
    border-color: rgba(180, 83, 9, 0.25);
    background: rgba(250, 204, 21, 0.15);
    color: #92400e;
    cursor: default;
}

.save-icon {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.08);
    font-size: 0.8rem;
    font-weight: 900;
}

.save-text {
    font-size: 0.85rem;
}

.copy-link-btn:hover {
    border-color: var(--border-focus);
    background: var(--bg-card-hover);
    color: var(--accent-violet);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.copy-icon {
    font-size: 0.95rem;
    line-height: 1;
}

.liker-section {
    max-width: 700px;
}

.liker-list {
    display: grid;
    gap: 12px;
}

.liker-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--grad-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
}

.liker-avatar {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 107, 157, 0.14);
    color: var(--accent-pink);
    font-size: 1rem;
    font-weight: 900;
}

.liker-row strong,
.liker-row small {
    display: block;
    min-width: 0;
    overflow-wrap: anywhere;
}

.liker-row strong {
    font-weight: 800;
}

.liker-row small,
.liker-row time {
    color: var(--muted);
    font-size: 0.8rem;
}

.liker-row time {
    white-space: nowrap;
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Auth Pages  ★ CENTERED CARD ★
   ══════════════════════════════════════════════════════════ */
.auth-shell {
    width: min(480px, calc(100% - 32px));
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 80vh;
    justify-content: center;
    padding-top: 0;
}

.auth-shell .top-nav {
    width: 100%;
    margin-bottom: 36px;
}

.auth-card {
    width: 100%;
    display: grid;
    gap: 16px;
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--grad-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 30px;
    right: 30px;
    height: 2px;
    background: var(--grad-primary);
    border-radius: 2px;
}

.auth-card h1 {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    max-width: 100%;
}

.auth-card p {
    color: var(--muted);
    line-height: 1.65;
    font-size: 0.9rem;
}

.auth-card .eyebrow {
    justify-content: center;
}

.google-button {
    width: 100%;
    min-height: 50px;
    border-radius: var(--r-md);
    font-size: 0.95rem;
}

.google-button::before {
    content: '🔐';
    font-size: 1rem;
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Profile Page
   ══════════════════════════════════════════════════════════ */
.profile-section {
    display: grid;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.profile-section + .profile-section {
    margin-top: 30px;
}

.profile-section h2 {
    text-align: center;
}

.playlist-grid {
    display: grid;
    gap: 14px;
}

.playlist-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--grad-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    transition: all 0.3s var(--ease);
}

.playlist-card:hover {
    border-color: var(--border-focus);
    transform: translateY(-3px);
    box-shadow: var(--shadow), var(--shadow-glow);
}

.playlist-card h3 {
    margin: 0 0 6px;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.playlist-card p {
    margin-bottom: 0;
    font-size: 0.85rem;
}

.member-name-form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    max-width: min(620px, 100%);
    margin: 0 auto 8px;
}

.member-name-form input {
    min-height: 46px;
    font-size: clamp(1.7rem, 4vw, 3.4rem);
    font-weight: 900;
    line-height: 1.1;
    text-align: center;
    border-color: transparent;
    background: transparent;
    color: var(--ink);
}

.member-name-form input:hover {
    border-color: rgba(192, 132, 252, 0.22);
    background: rgba(0, 0, 0, 0.02);
}

.member-name-form input:focus {
    border-color: var(--border-focus);
    background: rgba(255, 255, 255, 0.9);
}

.playlist-rename-form {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 10px 0;
    max-width: 520px;
}

.playlist-rename-form input {
    flex: 1;
    min-height: 38px;
}

.rename-save-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: transparent;
    font-size: 0.85rem;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.25s ease;
}

.rename-save-btn:hover {
    border-color: var(--accent-violet);
    transform: scaleX(1.08) scaleY(0.93);
}

.rename-save-btn:active {
    transform: scaleX(1.16) scaleY(0.84) !important;
    transition-duration: 0.12s;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.playlist-actions {
    flex-shrink: 0;
    justify-content: flex-end;
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Player Page  ★ IMMERSIVE VIDEO ★
   ══════════════════════════════════════════════════════════ */
.player-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.player-main {
    display: grid;
    gap: 14px;
    min-width: 0;
}

/* ══════════════════════════════════════════════════════════
   LAYOUT — Player Header  ★ SINGLE ROW ★
   ══════════════════════════════════════════════════════════ */
.player-header-row {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 14px;
    margin-bottom: 28px;
    padding: 16px 24px;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
}

.player-header-left {
    display: flex;
    align-items: baseline;
    gap: 4px;
    min-width: 0;
    flex-shrink: 1;
    flex: 1 1 auto;
}

.player-title {
    margin: 0;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #be185d 0%, #9333ea 50%, #0891b2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-title-edit-form {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-width: 0;
}

.player-title-input {
    width: 100%;
    min-width: 160px;
    min-height: 40px;
    padding: 0 10px;
    border-color: transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--ink);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: -0.02em;
    text-overflow: ellipsis;
}

.player-title-input:hover {
    border-color: rgba(192, 132, 252, 0.22);
    background: rgba(0, 0, 0, 0.02);
}

.player-title-input:focus {
    border-color: var(--border-focus);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.12);
}

.player-title-input:disabled {
    opacity: 0.72;
    cursor: progress;
}

.player-title-save-state {
    min-width: 74px;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 800;
    white-space: nowrap;
}

.player-title-save-state[data-state="saved"] {
    color: var(--accent-green);
}

.player-title-save-state[data-state="error"] {
    color: #fca5a5;
}

.player-guest-note {
    color: var(--muted-light);
    font-size: 0.78rem;
    font-weight: 600;
}

.player-header-meta {
    flex-shrink: 2;
    min-width: 0;
}

.player-header-meta .tag-row {
    margin-top: 0;
    justify-content: flex-start;
    gap: 6px;
}

.player-header-meta .tag-row span {
    padding: 3px 8px;
    font-size: 0.72rem;
    white-space: nowrap;
}

.player-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

.video-frame {
    position: relative;
    width: min(100%, 900px);
    min-width: 0;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--r-xl);
    background: #000;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow), 0 0 50px rgba(192, 132, 252, 0.08);
    border: 1px solid var(--border);
}

#youtube-player,
#youtube-player iframe,
iframe#youtube-player,
.video-frame > iframe {
    position: absolute;
    inset: 0;
    display: block;
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    max-height: 100% !important;
    border: 0;
    object-fit: contain;
}

/* now playing — single row inline */
.now-playing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 14px 0;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--grad-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.now-playing::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--r-lg);
    padding: 1px;
    background: var(--grad-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.25;
    pointer-events: none;
}

.now-playing span {
    flex-shrink: 0;
    padding: 3px 10px;
    border-radius: var(--r-full);
    background: rgba(255, 107, 157, 0.12);
    color: var(--accent-pink);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.now-playing span::before { content: '♪ '; }

.now-playing strong {
    flex-shrink: 1;
    min-width: 0;
    font-size: 0.95rem;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.now-playing small {
    flex-shrink: 2;
    min-width: 0;
    color: var(--muted);
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* player controls — vibrant full-width bar */
.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    background: var(--grad-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    position: relative;
    min-width: 0;
}

.control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    height: 42px;
    padding: 0 16px;
    border: none;
    border-radius: 14px;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    color: #fff;
    /* mochi bounce transition */
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease;
}

/* ── Prev — vibrant blue ── */
#prev-button {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

#prev-button:hover {
    box-shadow: 0 6px 22px rgba(37, 99, 235, 0.5);
}

/* ── Play — hot pink (hero) ── */
.control-play {
    min-width: 72px;
    height: 48px;
    padding: 0 24px;
    font-size: 1.3rem;
    border-radius: 16px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.15),
                0 5px 20px rgba(236, 72, 153, 0.4);
    animation: heroGlow 3s ease infinite;
}

.control-play:hover {
    box-shadow: 0 0 0 6px rgba(236, 72, 153, 0.2),
                0 8px 28px rgba(236, 72, 153, 0.5);
}

@keyframes heroGlow {
    0%, 100% { box-shadow: 0 0 0 4px rgba(236,72,153,0.15), 0 5px 20px rgba(236,72,153,0.4); }
    50%      { box-shadow: 0 0 0 8px rgba(236,72,153,0.08), 0 5px 28px rgba(236,72,153,0.5); }
}

/* ── Pause — vibrant orange ── */
#pause-button {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

#pause-button:hover {
    box-shadow: 0 6px 22px rgba(249, 115, 22, 0.5);
}

/* ── Next — vibrant emerald ── */
#next-button {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

#next-button:hover {
    box-shadow: 0 6px 22px rgba(16, 185, 129, 0.5);
}

/* ── Mochi hover — soft inflate ── */
.control-btn:hover {
    transform: scaleX(1.08) scaleY(0.94);
}

/* ── Mochi press — full squish ── */
.control-btn:active {
    transform: scaleX(1.18) scaleY(0.82) !important;
    transition-duration: 0.12s;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── YouTube link — red, right-aligned ── */
#youtube-link {
    position: absolute;
    right: 18px;
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #FF0000 0%, #cc0000 100%);
    color: #fff !important;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(255, 0, 0, 0.25);
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease;
}

#youtube-link:hover {
    transform: scaleX(1.06) scaleY(0.95);
    box-shadow: 0 6px 22px rgba(255, 0, 0, 0.4);
}

#youtube-link:active {
    transform: scaleX(1.14) scaleY(0.86) !important;
    transition-duration: 0.12s;
}

/* ── Queue Panel  ★ HORIZONTAL SCROLL GRID ★ ──────────── */
.queue-panel {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
}

.queue-panel h2 {
    text-align: center;
    margin-bottom: 16px;
}

.queue-panel h2::before {
    content: '📃';
    margin-right: 6px;
}

.queue-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    padding: 0 8px;
    margin-left: 6px;
    border-radius: var(--r-full);
    background: rgba(192, 132, 252, 0.15);
    color: var(--accent-violet);
    font-size: 0.78rem;
    font-weight: 800;
    vertical-align: middle;
}

.queue-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
    max-height: 50vh;
    overflow: auto;
    padding-right: 4px;
}

/* custom scrollbar */
.queue-list::-webkit-scrollbar { width: 4px; }
.queue-list::-webkit-scrollbar-track { background: transparent; }
.queue-list::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.queue-row {
    position: relative;
    display: grid;
    min-width: 0;
    min-height: 116px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    background: rgba(0, 0, 0, 0.02);
    padding: 14px 44px 38px 12px;
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease,
                border-color 0.25s ease,
                background 0.25s ease;
}

.queue-row form {
    margin: 0;
}

.queue-row:has(.queue-item:hover) {
    border-color: var(--border-focus);
    background: var(--bg-card-hover);
    transform: scaleX(1.02) scaleY(0.97);
    box-shadow: var(--shadow-glow);
}

.queue-row:has(.queue-item:active) {
    transform: scaleX(1.04) scaleY(0.94) !important;
    transition-duration: 0.12s;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.queue-row:has(.queue-item.is-active) {
    border-color: var(--accent-pink);
    background: rgba(255, 107, 157, 0.06);
    box-shadow: 0 0 18px rgba(255, 107, 157, 0.08);
}

.queue-item {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 4px 10px;
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--ink);
    padding: 0;
    text-align: left;
    cursor: pointer;
    transition: none;
}

.queue-item:hover {
    background: transparent;
}

.queue-item:active {
    transform: none !important;
}

.queue-item span {
    grid-row: span 2;
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(192, 132, 252, 0.12);
    color: var(--accent-violet);
    font-size: 0.8rem;
    font-weight: 900;
}

.queue-item strong,
.queue-item small {
    min-width: 0;
    overflow-wrap: anywhere;
}

.queue-item strong {
    font-size: 0.88rem;
    font-weight: 700;
}

.queue-item small {
    font-size: 0.76rem;
}

.queue-item.is-active {
    background: transparent;
}

.queue-item.is-active span {
    background: rgba(255, 107, 157, 0.15);
    color: var(--accent-pink);
}

.queue-remove-form {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
}

.queue-remove-action {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border: 0;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.16);
    color: #fca5a5;
    cursor: pointer;
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1;
    transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.queue-remove-action:hover {
    transform: scale(1.08);
    background: #ef4444;
    color: #fff;
    box-shadow: 0 8px 18px rgba(239, 68, 68, 0.35);
}

.queue-report-form {
    position: absolute;
    right: 10px;
    bottom: 9px;
    z-index: 2;
}

.queue-report-action {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #92400e;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 6px;
    transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.queue-report-action:hover {
    transform: translateY(-1px);
    background: rgba(245, 158, 11, 0.14);
    color: #78350f;
    opacity: 1;
    text-decoration: underline;
}

/* ── Empty State ──────────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 48px 32px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg-card);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

.empty-state h1 {
    font-size: 1.6rem;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile & Tablet
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .top-nav {
        border-radius: var(--r-lg);
    }

    .stats-strip {
        gap: 8px;
    }

    .player-controls {
        flex-wrap: wrap;
    }

    .player-header-row {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
        overflow: visible;
    }

    .player-header-left,
    .player-header-meta {
        width: 100%;
    }

    .player-title {
        width: 100%;
    }

    .player-header-meta .tag-row {
        justify-content: flex-start;
    }

    .player-header-actions {
        margin-left: 0;
        width: 100%;
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .player-layout {
        max-width: 100%;
    }

    .video-frame {
        border-radius: var(--r-lg);
    }

    .playlist-card {
        align-items: stretch;
        flex-direction: column;
    }

    .playlist-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .playlist-rename-form {
        grid-template-columns: 1fr;
        max-width: none;
    }

    .member-name-form {
        align-items: stretch;
        width: 100%;
    }

    .member-name-form input {
        min-width: 0;
    }

    .queue-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .player-controls {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        align-items: stretch;
        padding: 12px;
    }

    .control-btn {
        width: 100%;
        min-width: 0;
        padding: 0;
    }

    #youtube-link {
        position: static;
        grid-column: 1 / -1;
        justify-content: center;
        width: 100%;
        min-height: 42px;
    }
}

@media (max-width: 600px) {
    .app-shell {
        width: min(100% - 20px, 1200px);
        padding-top: 14px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .top-nav {
        padding: 8px 16px;
        border-radius: var(--r-md);
        flex-direction: column;
        align-items: stretch;
    }

    .nav-actions {
        justify-content: center;
    }

    .filter-panel {
        grid-template-columns: 1fr;
        padding: 20px;
        border-radius: var(--r-lg);
    }

    .form-section-header {
        align-items: stretch;
        flex-direction: column;
    }

    .advanced-filters-inner {
        grid-template-columns: 1fr;
    }

    .advanced-toggle {
        width: 100%;
    }

    .guide-panel {
        padding: 20px;
        border-radius: var(--r-lg);
    }

    .check-list {
        flex-direction: column;
        align-items: stretch;
    }

    .check-list li {
        justify-content: center;
    }

    .queue-panel {
        padding: 18px;
        border-radius: var(--r-lg);
    }

    .auth-card {
        padding: 24px;
        border-radius: var(--r-lg);
    }

    .auth-shell {
        min-height: auto;
        justify-content: flex-start;
        padding-top: 20px;
    }

    .primary-button,
    .secondary-button,
    .danger-button,
    .google-button,
    .like-button,
    .save-playlist-btn,
    .copy-link-btn,
    .like-count-link {
        width: 100%;
    }

    .stats-strip div {
        padding: 6px 12px;
    }

    .stats-strip strong {
        font-size: 0.85rem;
    }

    .stats-strip span {
        font-size: 0.72rem;
    }

    .bg-orbs::before,
    .bg-orbs::after {
        width: 280px;
        height: 280px;
    }

    .member-actions {
        flex-direction: column;
    }

    .tag-row {
        justify-content: flex-start;
    }

    .playlist-social {
        align-items: stretch;
        width: 100%;
    }

    .playlist-social form {
        width: 100%;
    }

    .playlist-like-widget {
        width: 100%;
    }

    .playlist-like-widget .like-form {
        width: auto;
        flex: 0 0 auto;
    }

    .playlist-like-widget .like-button {
        width: 48px;
        flex: 0 0 48px;
    }

    .playlist-like-widget .like-count-link {
        width: auto;
        flex: 1 1 auto;
    }

    .liker-row {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .liker-row time {
        grid-column: 2;
        white-space: normal;
    }

    .player-header {
        text-align: left;
        align-items: flex-start;
    }

    .player-header > div {
        align-items: flex-start;
    }

    .now-playing {
        flex-wrap: wrap;
        justify-content: flex-start;
        text-align: left;
        padding: 12px 14px;
    }

    .now-playing strong,
    .now-playing small {
        flex-basis: 100%;
        white-space: normal;
    }

    .video-frame {
        border-radius: var(--r-md);
    }

    .player-header-row {
        gap: 12px;
        margin-bottom: 18px;
        padding: 16px;
        border-radius: var(--r-lg);
    }

    .player-header-left {
        align-items: flex-start;
        flex-direction: column;
    }

    .player-title-edit-form {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .player-title-input {
        min-width: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .player-title-save-state {
        min-height: 16px;
    }

    .player-title {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .player-header-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .player-header-actions > form,
    .player-header-actions > a,
    .player-header-actions > button {
        width: 100%;
    }

    .player-header-actions .like-button,
    .player-header-actions .save-playlist-btn,
    .player-header-actions .copy-link-btn {
        justify-content: center;
    }

    .queue-list {
        max-height: none;
        overflow: visible;
        padding-right: 0;
    }

    .queue-row {
        min-height: 128px;
        padding: 14px 40px 42px 12px;
    }

    .queue-report-action {
        max-width: calc(100vw - 90px);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}