/* ═══════════════════════════════════════════════════
   RELEASE DASHBOARD — Premium Dark Glassmorphic Theme
   ═══════════════════════════════════════════════════ */

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

:root {
    /* Core palette */
    --bg-deepest: #06060b;
    --bg-deep: #0a0a12;
    --bg-surface: #0f0f1a;
    --bg-card: rgba(15, 15, 30, 0.65);
    --bg-card-hover: rgba(20, 20, 40, 0.75);
    --bg-input: rgba(12, 12, 24, 0.8);

    /* Glass */
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-hover: rgba(255, 255, 255, 0.1);
    --glass-blur: 24px;

    /* Accent */
    --accent-purple: #9B59B6;
    --accent-purple-glow: rgba(155, 89, 182, 0.3);
    --accent-purple-soft: rgba(155, 89, 182, 0.1);
    --accent-gold: #F1C40F;
    --accent-gold-glow: rgba(241, 196, 15, 0.3);
    --accent-gold-soft: rgba(241, 196, 15, 0.1);
    --accent-green: #2ECC71;
    --accent-red: #E74C3C;
    --accent-spotify: #1DB954;

    /* Text */
    --text-primary: #f0f0f5;
    --text-secondary: rgba(240, 240, 245, 0.55);
    --text-tertiary: rgba(240, 240, 245, 0.3);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deepest);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Ambient background gradient */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(155, 89, 182, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(241, 196, 15, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(30, 30, 60, 0.3) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: ambientShift 20s ease-in-out infinite alternate;
}

@keyframes ambientShift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-3%, -2%) scale(1.05); }
}

/* ── Login Overlay ───────────────────────────────── */
.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-deepest);
    animation: fadeIn 0.5s ease;
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    padding: 48px 36px;
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    text-align: center;
    animation: scaleIn 0.5s var(--transition-spring);
}

.login-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.15), transparent 50%, rgba(241, 196, 15, 0.1));
    z-index: -1;
    pointer-events: none;
}

.login-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: transparent;
    color: var(--accent-purple);
    margin-bottom: 24px;
    overflow: hidden;
}

.login-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

.login-error {
    color: var(--accent-red);
    font-size: 0.813rem;
    margin-top: 16px;
    min-height: 20px;
}

/* ── Form Elements ───────────────────────────────── */
.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.label-optional {
    color: var(--text-tertiary);
    font-weight: 400;
}

input[type="text"],
input[type="password"],
input[type="url"],
textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.938rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

input:focus,
textarea:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px var(--accent-purple-soft);
}

textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 6px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
}

.input-with-icon input {
    padding-left: 48px;
    padding-right: 52px;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--accent-spotify);
    pointer-events: none;
    z-index: 1;
}

.input-with-icon .btn-small {
    position: absolute;
    right: 6px;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.938rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), #8E44AD);
    color: white;
    box-shadow: 0 4px 20px var(--accent-purple-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(155, 89, 182, 0.45);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.97);
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), #D4AC0D);
    color: #1a1a2e;
    box-shadow: 0 4px 20px var(--accent-gold-glow);
}

.btn-gold:hover {
    box-shadow: 0 6px 30px rgba(241, 196, 15, 0.45);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent-purple-soft);
    color: var(--accent-purple);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.btn-accent:hover {
    background: rgba(155, 89, 182, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 10px;
    border-radius: var(--radius-sm);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.813rem;
}

.btn-content,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Spinner ─────────────────────────────────────── */
.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    width: 18px;
    height: 18px;
    border-width: 2px;
    border-top-color: currentColor;
}

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

/* ── Dashboard Layout ────────────────────────────── */
.dashboard {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    padding: 24px 20px 60px;
    animation: fadeInUp 0.5s ease;
}

.hidden {
    display: none !important;
}

/* ── Header ──────────────────────────────────────── */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0 24px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--accent-purple);
    overflow: hidden;
}

.custom-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(46, 204, 113, 0.08);
    border: 1px solid rgba(46, 204, 113, 0.15);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--accent-green);
}

.status-indicator.offline {
    background: rgba(231, 76, 60, 0.08);
    border-color: rgba(231, 76, 60, 0.15);
    color: var(--accent-red);
}

.status-indicator.offline .status-dot {
    background: var(--accent-red);
    box-shadow: 0 0 8px rgba(231, 76, 60, 0.5);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px rgba(46, 204, 113, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── Tabs ────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: 28px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.tab.active {
    background: var(--accent-purple-soft);
    color: var(--accent-purple);
    box-shadow: 0 2px 12px rgba(155, 89, 182, 0.1);
}

/* ── Content Cards ───────────────────────────────── */
.tab-content {
    display: none;
    animation: fadeInUp 0.3s ease;
}

.tab-content.active {
    display: block;
}

.content-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(155, 89, 182, 0.3), transparent);
}

.card-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

/* ── Preview Card ────────────────────────────────── */
.preview-card {
    margin: 24px 0;
    padding: 24px;
    background: rgba(10, 10, 20, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.preview-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.03), transparent);
    pointer-events: none;
}

.preview-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 24px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.preview-content {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.preview-cover-wrapper {
    position: relative;
    flex-shrink: 0;
}

.preview-cover {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-smooth);
}

.preview-cover:hover {
    transform: scale(1.03);
}

.preview-cover-glow {
    position: absolute;
    inset: -20%;
    background: inherit;
    filter: blur(40px);
    opacity: 0.3;
    z-index: -1;
    border-radius: 50%;
    pointer-events: none;
}

.preview-info {
    flex: 1;
    min-width: 0;
}

.preview-type-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--accent-purple-soft);
    color: var(--accent-purple);
    border-radius: 100px;
    font-size: 0.688rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.preview-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
    line-height: 1.3;
    word-break: break-word;
}

.preview-artist {
    color: var(--text-secondary);
    font-size: 0.938rem;
    margin-bottom: 14px;
}

.preview-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.preview-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: rgba(255, 255, 255, 0.03);
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.preview-meta-item:empty {
    display: none;
}

/* ── Toasts ──────────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    min-width: 280px;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.4s var(--transition-spring);
    overflow: hidden;
    position: relative;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
}

.toast.toast-success::before {
    background: var(--accent-green);
}

.toast.toast-error::before {
    background: var(--accent-red);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast.toast-success .toast-icon {
    color: var(--accent-green);
}

.toast.toast-error .toast-icon {
    color: var(--accent-red);
}

.toast-exit {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    to {
        transform: translateX(120%);
        opacity: 0;
    }
}

/* ── Animations ──────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 640px) {
    .dashboard {
        padding: 12px 12px 30px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 12px 0 20px;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .header h1 {
        font-size: 1.15rem;
    }

    .content-card {
        padding: 20px 16px;
    }

    .tabs {
        margin-bottom: 20px;
    }

    .tab {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .input-group label {
        font-size: 0.75rem;
    }

    input[type="text"],
    input[type="password"],
    input[type="url"],
    textarea {
        font-size: 1rem; /* prevents iOS zoom */
        padding: 12px 14px;
    }

    .input-with-icon input {
        padding-left: 44px;
    }

    .input-icon {
        left: 14px;
    }

    .preview-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .preview-cover {
        width: 160px;
        height: 160px;
    }

    .preview-meta {
        justify-content: center;
        width: 100%;
    }

    .toast-container {
        left: 12px;
        right: 12px;
        bottom: 12px;
    }

    .toast {
        min-width: unset;
        max-width: unset;
        padding: 12px 16px;
        font-size: 0.85rem;
    }
}