/*
|--------------------------------------------------------------------------
| SYNTHVERSE — DEFAULT THEME FOUNDATION
|--------------------------------------------------------------------------
| File: /assets/styles/default.css
|
| Purpose:
|   Global design system and visual foundation for SynthVerse.
|
| Products:
|   - Main     : synthverse.co.za
|   - Radio    : radio.synthverse.co.za
|   - Studio   : studio.synthverse.co.za
|   - Forge    : forge.synthverse.co.za
|   - API      : api.synthverse.co.za
|
| Notes:
|   - Dark-first
|   - Modern / professional / semi-futuristic
|   - Music-centric
|   - Premium rather than generic SaaS
|   - Album artwork may provide dynamic visual accents
|   - Product-specific styling belongs in separate CSS files
|--------------------------------------------------------------------------
*/


/* ==========================================================================
   01. DESIGN TOKENS
   ========================================================================== */

:root {

    /* ----------------------------------------------------------------------
       Core Backgrounds
       ---------------------------------------------------------------------- */

    --sv-bg: #08090d;
    --sv-bg-deep: #05060a;
    --sv-bg-soft: #0d0f15;

    --sv-surface: #11131a;
    --sv-surface-1: #151821;
    --sv-surface-2: #1a1d26;
    --sv-surface-3: #20232e;

    --sv-surface-glass: rgba(255, 255, 255, 0.045);
    --sv-surface-glass-strong: rgba(255, 255, 255, 0.075);

    /* ----------------------------------------------------------------------
       Borders
       ---------------------------------------------------------------------- */

    --sv-border: rgba(255, 255, 255, 0.085);
    --sv-border-light: rgba(255, 255, 255, 0.13);
    --sv-border-strong: rgba(255, 255, 255, 0.18);

    /* ----------------------------------------------------------------------
       Text
       ---------------------------------------------------------------------- */

    --sv-text: #f5f7fb;
    --sv-text-primary: #f5f7fb;
    --sv-text-secondary: #b5bac7;
    --sv-text-muted: #7e8492;
    --sv-text-disabled: #555b68;
    --sv-text-inverse: #08090d;

    /* ----------------------------------------------------------------------
       Primary Accent
       ---------------------------------------------------------------------- */

    --sv-primary: #8b5cf6;
    --sv-primary-hover: #9d74f8;
    --sv-primary-active: #7546df;
    --sv-primary-soft: rgba(139, 92, 246, 0.14);
    --sv-primary-glow: rgba(139, 92, 246, 0.30);

    /* ----------------------------------------------------------------------
       Secondary Accent
       ---------------------------------------------------------------------- */

    --sv-secondary: #22d3ee;
    --sv-secondary-hover: #42dcef;
    --sv-secondary-soft: rgba(34, 211, 238, 0.12);
    --sv-secondary-glow: rgba(34, 211, 238, 0.24);

    /* ----------------------------------------------------------------------
       Semantic Colours
       ---------------------------------------------------------------------- */

    --sv-success: #34d399;
    --sv-success-soft: rgba(52, 211, 153, 0.12);

    --sv-warning: #fbbf24;
    --sv-warning-soft: rgba(251, 191, 36, 0.12);

    --sv-danger: #f87171;
    --sv-danger-soft: rgba(248, 113, 113, 0.12);

    --sv-info: #60a5fa;
    --sv-info-soft: rgba(96, 165, 250, 0.12);

    /* ----------------------------------------------------------------------
       Gradients
       ---------------------------------------------------------------------- */

    --sv-gradient-primary:
        linear-gradient(135deg, var(--sv-primary), var(--sv-secondary));

    --sv-gradient-surface:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.06),
            rgba(255, 255, 255, 0.015)
        );

    --sv-gradient-dark:
        linear-gradient(
            180deg,
            var(--sv-surface),
            var(--sv-bg)
        );

    /* ----------------------------------------------------------------------
       Typography
       ---------------------------------------------------------------------- */

    --sv-font-sans:
        Inter,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    --sv-font-display:
        Inter,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    --sv-font-mono:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    --sv-font-size-xs: 0.70rem;
    --sv-font-size-sm: 0.8125rem;
    --sv-font-size-md: 0.9375rem;
    --sv-font-size-lg: 1.0625rem;
    --sv-font-size-xl: 1.25rem;
    --sv-font-size-2xl: 1.5rem;
    --sv-font-size-3xl: 2rem;
    --sv-font-size-4xl: 2.75rem;
    --sv-font-size-5xl: 3.5rem;

    --sv-line-tight: 1.15;
    --sv-line-normal: 1.5;
    --sv-line-relaxed: 1.7;

    /* ----------------------------------------------------------------------
       Font Weights
       ---------------------------------------------------------------------- */

    --sv-weight-regular: 400;
    --sv-weight-medium: 500;
    --sv-weight-semibold: 600;
    --sv-weight-bold: 700;
    --sv-weight-heavy: 800;

    /* ----------------------------------------------------------------------
       Spacing
       ---------------------------------------------------------------------- */

    --sv-space-1: 0.25rem;
    --sv-space-2: 0.5rem;
    --sv-space-3: 0.75rem;
    --sv-space-4: 1rem;
    --sv-space-5: 1.25rem;
    --sv-space-6: 1.5rem;
    --sv-space-8: 2rem;
    --sv-space-10: 2.5rem;
    --sv-space-12: 3rem;
    --sv-space-16: 4rem;
    --sv-space-20: 5rem;
    --sv-space-24: 6rem;

    /* ----------------------------------------------------------------------
       Radius
       ---------------------------------------------------------------------- */

    --sv-radius-xs: 0.25rem;
    --sv-radius-sm: 0.375rem;
    --sv-radius-md: 0.625rem;
    --sv-radius-lg: 0.875rem;
    --sv-radius-xl: 1.25rem;
    --sv-radius-2xl: 1.75rem;
    --sv-radius-full: 9999px;

    /* ----------------------------------------------------------------------
       Shadows
       ---------------------------------------------------------------------- */

    --sv-shadow-sm:
        0 2px 8px rgba(0, 0, 0, 0.20);

    --sv-shadow-md:
        0 8px 24px rgba(0, 0, 0, 0.28);

    --sv-shadow-lg:
        0 16px 48px rgba(0, 0, 0, 0.35);

    --sv-shadow-glow:
        0 0 30px var(--sv-primary-glow);

    /* ----------------------------------------------------------------------
       Layout
       ---------------------------------------------------------------------- */

    --sv-container-sm: 640px;
    --sv-container-md: 768px;
    --sv-container-lg: 1024px;
    --sv-container-xl: 1280px;
    --sv-container-2xl: 1440px;

    --sv-header-height: 72px;
    --sv-player-height: 76px;

    /* ----------------------------------------------------------------------
       Z-Index
       ---------------------------------------------------------------------- */

    --sv-z-base: 1;
    --sv-z-dropdown: 100;
    --sv-z-sticky: 200;
    --sv-z-header: 300;
    --sv-z-modal: 1000;
    --sv-z-player: 1100;
    --sv-z-toast: 1200;

    /* ----------------------------------------------------------------------
       Motion
       ---------------------------------------------------------------------- */

    --sv-transition-fast: 120ms ease;
    --sv-transition-normal: 200ms ease;
    --sv-transition-slow: 350ms ease;

    /* ----------------------------------------------------------------------
       Music / Audio
       ---------------------------------------------------------------------- */

    --sv-waveform-height: 48px;
    --sv-progress-height: 4px;

    /* ----------------------------------------------------------------------
       Theme-Level Dynamic Values
       ---------------------------------------------------------------------- */

    --sv-theme-accent: var(--sv-primary);
    --sv-theme-accent-secondary: var(--sv-secondary);
    --sv-theme-glow: var(--sv-primary-glow);
}


/* ==========================================================================
   02. GLOBAL RESET
   ========================================================================== */

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

html {
    min-height: 100%;
    scroll-behavior: smooth;
    background: var(--sv-bg-deep);
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 0;

    background:
        radial-gradient(
            circle at 15% 0%,
            rgba(139, 92, 246, 0.055),
            transparent 30%
        ),
        radial-gradient(
            circle at 85% 20%,
            rgba(34, 211, 238, 0.035),
            transparent 28%
        ),
        var(--sv-bg);

    color: var(--sv-text-primary);

    font-family: var(--sv-font-sans);
    font-size: var(--sv-font-size-md);
    font-weight: var(--sv-weight-regular);
    line-height: var(--sv-line-normal);

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

img {
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    color: inherit;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
}


/* ==========================================================================
   03. TYPOGRAPHY
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--sv-text-primary);
    font-family: var(--sv-font-display);
    font-weight: var(--sv-weight-bold);
    line-height: var(--sv-line-tight);
}

h1 {
    font-size: clamp(2.25rem, 5vw, var(--sv-font-size-5xl));
}

h2 {
    font-size: clamp(1.75rem, 4vw, var(--sv-font-size-4xl));
}

h3 {
    font-size: var(--sv-font-size-2xl);
}

h4 {
    font-size: var(--sv-font-size-xl);
}

h5 {
    font-size: var(--sv-font-size-lg);
}

h6 {
    font-size: var(--sv-font-size-md);
}

p {
    color: var(--sv-text-secondary);
}

strong {
    color: var(--sv-text-primary);
    font-weight: var(--sv-weight-semibold);
}

small {
    font-size: var(--sv-font-size-sm);
}

code,
pre {
    font-family: var(--sv-font-mono);
}


/* ==========================================================================
   04. TEXT UTILITIES
   ========================================================================== */

.sv-text-primary {
    color: var(--sv-text-primary);
}

.sv-text-secondary {
    color: var(--sv-text-secondary);
}

.sv-text-muted {
    color: var(--sv-text-muted);
}

.sv-text-success {
    color: var(--sv-success);
}

.sv-text-warning {
    color: var(--sv-warning);
}

.sv-text-danger {
    color: var(--sv-danger);
}

.sv-text-center {
    text-align: center;
}

.sv-text-left {
    text-align: left;
}

.sv-text-right {
    text-align: right;
}

.sv-text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sv-text-truncate {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}


/* ==========================================================================
   05. CONTAINERS
   ========================================================================== */

.sv-container {
    width: min(
        calc(100% - 2rem),
        var(--sv-container-xl)
    );

    margin-inline: auto;
}

.sv-container-wide {
    width: min(
        calc(100% - 2rem),
        var(--sv-container-2xl)
    );

    margin-inline: auto;
}

.sv-container-sm {
    width: min(
        calc(100% - 2rem),
        var(--sv-container-sm)
    );

    margin-inline: auto;
}

.sv-section {
    padding-block: var(--sv-space-16);
}

.sv-section-sm {
    padding-block: var(--sv-space-10);
}

.sv-section-lg {
    padding-block: var(--sv-space-20);
}


/* ==========================================================================
   06. FLEX & GRID
   ========================================================================== */

.sv-flex {
    display: flex;
}

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

.sv-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sv-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sv-align-center {
    align-items: center;
}

.sv-justify-center {
    justify-content: center;
}

.sv-justify-between {
    justify-content: space-between;
}

.sv-grid {
    display: grid;
}

.sv-grid-auto {
    display: grid;
    grid-template-columns: repeat(
        auto-fit,
        minmax(220px, 1fr)
    );
    gap: var(--sv-space-6);
}

.sv-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sv-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sv-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sv-gap-1 { gap: var(--sv-space-1); }
.sv-gap-2 { gap: var(--sv-space-2); }
.sv-gap-3 { gap: var(--sv-space-3); }
.sv-gap-4 { gap: var(--sv-space-4); }
.sv-gap-6 { gap: var(--sv-space-6); }
.sv-gap-8 { gap: var(--sv-space-8); }


/* ==========================================================================
   07. SURFACES
   ========================================================================== */

.sv-surface {
    background: var(--sv-surface);
    border: 1px solid var(--sv-border);
}

.sv-surface-elevated {
    background: var(--sv-surface-1);
    border: 1px solid var(--sv-border);
    box-shadow: var(--sv-shadow-md);
}

.sv-glass {
    background: var(--sv-surface-glass);
    border: 1px solid var(--sv-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.sv-glass-strong {
    background: var(--sv-surface-glass-strong);
    border: 1px solid var(--sv-border-light);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}


/* ==========================================================================
   08. CARDS
   ========================================================================== */

.sv-card {
    position: relative;

    background: var(--sv-surface);
    border: 1px solid var(--sv-border);
    border-radius: var(--sv-radius-lg);

    overflow: hidden;

    transition:
        transform var(--sv-transition-normal),
        border-color var(--sv-transition-normal),
        box-shadow var(--sv-transition-normal);
}

.sv-card:hover {
    border-color: var(--sv-border-light);
    box-shadow: var(--sv-shadow-md);
}

.sv-card-interactive {
    cursor: pointer;
}

.sv-card-interactive:hover {
    transform: translateY(-2px);
}

.sv-card-body {
    padding: var(--sv-space-5);
}

.sv-card-header {
    padding: var(--sv-space-5);
    border-bottom: 1px solid var(--sv-border);
}

.sv-card-footer {
    padding: var(--sv-space-5);
    border-top: 1px solid var(--sv-border);
}


/* ==========================================================================
   09. ARTWORK
   ========================================================================== */

.sv-artwork {
    position: relative;
    overflow: hidden;
    background: var(--sv-surface-2);
}

.sv-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sv-artwork-square {
    aspect-ratio: 1 / 1;
}

.sv-artwork-rounded {
    border-radius: var(--sv-radius-lg);
}

.sv-artwork-circle {
    border-radius: 50%;
}

.sv-artwork-glow {
    box-shadow:
        0 0 40px var(--sv-theme-glow);
}


/* ==========================================================================
   10. BUTTONS
   ========================================================================== */

.sv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sv-space-2);

    min-height: 42px;
    padding: 0.65rem 1rem;

    border: 1px solid transparent;
    border-radius: var(--sv-radius-md);

    font-size: var(--sv-font-size-sm);
    font-weight: var(--sv-weight-semibold);

    white-space: nowrap;

    transition:
        background var(--sv-transition-fast),
        border-color var(--sv-transition-fast),
        color var(--sv-transition-fast),
        transform var(--sv-transition-fast),
        box-shadow var(--sv-transition-fast);
}

.sv-btn:hover {
    transform: translateY(-1px);
}

.sv-btn:active {
    transform: translateY(0);
}

.sv-btn-primary {
    color: #ffffff;
    background: var(--sv-gradient-primary);
    box-shadow: 0 6px 20px var(--sv-primary-glow);
}

.sv-btn-primary:hover {
    box-shadow: 0 8px 28px var(--sv-primary-glow);
}

.sv-btn-secondary {
    color: var(--sv-text-primary);
    background: var(--sv-surface-2);
    border-color: var(--sv-border);
}

.sv-btn-secondary:hover {
    border-color: var(--sv-border-light);
}

.sv-btn-ghost {
    color: var(--sv-text-secondary);
    background: transparent;
}

.sv-btn-ghost:hover {
    color: var(--sv-text-primary);
    background: var(--sv-surface-glass);
}

.sv-btn-danger {
    color: #ffffff;
    background: var(--sv-danger);
}

.sv-btn-sm {
    min-height: 34px;
    padding: 0.45rem 0.75rem;
}

.sv-btn-lg {
    min-height: 50px;
    padding: 0.8rem 1.35rem;
}

.sv-btn-icon {
    width: 42px;
    padding-inline: 0;
}

.sv-btn-round {
    border-radius: var(--sv-radius-full);
}


/* ==========================================================================
   11. FORM ELEMENTS
   ========================================================================== */

.sv-input,
.sv-select,
.sv-textarea {
    width: 100%;

    padding: 0.75rem 0.9rem;

    color: var(--sv-text-primary);
    background: var(--sv-surface-1);

    border: 1px solid var(--sv-border);
    border-radius: var(--sv-radius-md);

    outline: none;

    transition:
        border-color var(--sv-transition-fast),
        box-shadow var(--sv-transition-fast),
        background var(--sv-transition-fast);
}

.sv-input::placeholder,
.sv-textarea::placeholder {
    color: var(--sv-text-muted);
}

.sv-input:focus,
.sv-select:focus,
.sv-textarea:focus {
    border-color: var(--sv-theme-accent);
    box-shadow:
        0 0 0 3px var(--sv-primary-soft);
}

.sv-textarea {
    min-height: 140px;
    resize: vertical;
}

.sv-label {
    display: block;
    margin-bottom: var(--sv-space-2);

    color: var(--sv-text-secondary);

    font-size: var(--sv-font-size-sm);
    font-weight: var(--sv-weight-medium);
}


/* ==========================================================================
   12. BADGES
   ========================================================================== */

.sv-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;

    padding: 0.3rem 0.6rem;

    border-radius: var(--sv-radius-full);

    font-size: var(--sv-font-size-xs);
    font-weight: var(--sv-weight-semibold);

    line-height: 1;
}

.sv-badge-primary {
    color: var(--sv-primary-hover);
    background: var(--sv-primary-soft);
}

.sv-badge-success {
    color: var(--sv-success);
    background: var(--sv-success-soft);
}

.sv-badge-warning {
    color: var(--sv-warning);
    background: var(--sv-warning-soft);
}

.sv-badge-danger {
    color: var(--sv-danger);
    background: var(--sv-danger-soft);
}

.sv-badge-info {
    color: var(--sv-info);
    background: var(--sv-info-soft);
}


/* ==========================================================================
   13. ARTIST ELEMENTS
   ========================================================================== */

.sv-artist-avatar {
    width: 56px;
    height: 56px;

    overflow: hidden;

    background: var(--sv-surface-2);
    border: 1px solid var(--sv-border);

    border-radius: 50%;
}

.sv-artist-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sv-artist-name {
    color: var(--sv-text-primary);
    font-weight: var(--sv-weight-semibold);
}

.sv-artist-meta {
    color: var(--sv-text-muted);
    font-size: var(--sv-font-size-sm);
}


/* ==========================================================================
   14. MUSIC / TRACK ELEMENTS
   ========================================================================== */

.sv-track {
    display: flex;
    align-items: center;
    gap: var(--sv-space-4);

    padding: var(--sv-space-3);

    border-radius: var(--sv-radius-md);

    transition:
        background var(--sv-transition-fast),
        transform var(--sv-transition-fast);
}

.sv-track:hover {
    background: var(--sv-surface-glass);
}

.sv-track-artwork {
    flex: 0 0 52px;

    width: 52px;
    height: 52px;

    border-radius: var(--sv-radius-sm);

    overflow: hidden;
}

.sv-track-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.sv-track-title {
    overflow: hidden;

    color: var(--sv-text-primary);

    font-weight: var(--sv-weight-semibold);

    white-space: nowrap;
    text-overflow: ellipsis;
}

.sv-track-artist {
    margin-top: 2px;

    overflow: hidden;

    color: var(--sv-text-muted);

    font-size: var(--sv-font-size-sm);

    white-space: nowrap;
    text-overflow: ellipsis;
}


/* ==========================================================================
   15. AUDIO / WAVEFORM
   ========================================================================== */

.sv-waveform {
    position: relative;

    width: 100%;
    height: var(--sv-waveform-height);

    overflow: hidden;

    background: var(--sv-surface-2);

    border-radius: var(--sv-radius-md);
}

.sv-waveform-progress {
    position: absolute;
    inset: 0 auto 0 0;

    width: 0%;

    background: var(--sv-gradient-primary);

    transition: width 80ms linear;
}

.sv-progress {
    position: relative;

    width: 100%;
    height: var(--sv-progress-height);

    overflow: hidden;

    background: var(--sv-surface-3);

    border-radius: var(--sv-radius-full);
}

.sv-progress-value {
    width: 0;
    height: 100%;

    background: var(--sv-gradient-primary);

    border-radius: inherit;
}


/* ==========================================================================
   16. DIVIDERS
   ========================================================================== */

.sv-divider {
    width: 100%;
    height: 1px;

    background: var(--sv-border);
}

.sv-divider-vertical {
    width: 1px;
    height: 100%;

    background: var(--sv-border);
}


/* ==========================================================================
   17. LOADING
   ========================================================================== */

.sv-skeleton {
    position: relative;

    overflow: hidden;

    background: var(--sv-surface-2);

    border-radius: var(--sv-radius-sm);
}

.sv-skeleton::after {
    content: "";

    position: absolute;
    inset: 0;

    transform: translateX(-100%);

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.06),
            transparent
        );

    animation: sv-skeleton-loading 1.5s infinite;
}

@keyframes sv-skeleton-loading {
    100% {
        transform: translateX(100%);
    }
}


/* ==========================================================================
   18. VISIBILITY / DISPLAY
   ========================================================================== */

.sv-hidden {
    display: none !important;
}

.sv-visible {
    display: block !important;
}

.sv-overflow-hidden {
    overflow: hidden;
}

.sv-relative {
    position: relative;
}

.sv-absolute {
    position: absolute;
}

.sv-sticky {
    position: sticky;
}


/* ==========================================================================
   19. FIVE MAIN SYNTHVERSE THEMES
   ==========================================================================
   
   These themes are intended for:
   
   - Fans
   - Artist profile presentation
   
   They are NOT intended to control the visual identity of Radio,
   Studio or Forge. Those products will have their own product themes.
   ========================================================================== */


/* --------------------------------------------------------------------------
   Theme 01 — NEBULA
   -------------------------------------------------------------------------- */

[data-theme="theme-nebula"] {
    --sv-theme-accent: #8b5cf6;
    --sv-theme-accent-secondary: #22d3ee;
    --sv-theme-glow: rgba(139, 92, 246, 0.30);

    --sv-primary: #8b5cf6;
    --sv-secondary: #22d3ee;
}


/* --------------------------------------------------------------------------
   Theme 02 — PULSE
   -------------------------------------------------------------------------- */

[data-theme="theme-pulse"] {
    --sv-theme-accent: #ec4899;
    --sv-theme-accent-secondary: #f97316;
    --sv-theme-glow: rgba(236, 72, 153, 0.30);

    --sv-primary: #ec4899;
    --sv-secondary: #f97316;
}


/* --------------------------------------------------------------------------
   Theme 03 — HORIZON
   -------------------------------------------------------------------------- */

[data-theme="theme-horizon"] {
    --sv-theme-accent: #3b82f6;
    --sv-theme-accent-secondary: #06b6d4;
    --sv-theme-glow: rgba(59, 130, 246, 0.30);

    --sv-primary: #3b82f6;
    --sv-secondary: #06b6d4;
}


/* --------------------------------------------------------------------------
   Theme 04 — AURORA
   -------------------------------------------------------------------------- */

[data-theme="theme-aurora"] {
    --sv-theme-accent: #10b981;
    --sv-theme-accent-secondary: #84cc16;
    --sv-theme-glow: rgba(16, 185, 129, 0.30);

    --sv-primary: #10b981;
    --sv-secondary: #84cc16;
}


/* --------------------------------------------------------------------------
   Theme 05 — ECLIPSE
   -------------------------------------------------------------------------- */

[data-theme="theme-eclipse"] {
    --sv-theme-accent: #f59e0b;
    --sv-theme-accent-secondary: #ef4444;
    --sv-theme-glow: rgba(245, 158, 11, 0.30);

    --sv-primary: #f59e0b;
    --sv-secondary: #ef4444;
}


/* ==========================================================================
   20. PRODUCT FOUNDATIONS
   ==========================================================================
   
   Product-specific CSS files will extend these foundations:
   
       radio.css
       studio.css
       forge.css
   
   ========================================================================== */


/* --------------------------------------------------------------------------
   RADIO
   -------------------------------------------------------------------------- */

[data-product="radio"] {
    --sv-theme-accent: #22d3ee;
    --sv-theme-accent-secondary: #3b82f6;
    --sv-theme-glow: rgba(34, 211, 238, 0.28);
}


/* --------------------------------------------------------------------------
   STUDIO
   -------------------------------------------------------------------------- */

[data-product="studio"] {
    --sv-theme-accent: #8b5cf6;
    --sv-theme-accent-secondary: #6366f1;
    --sv-theme-glow: rgba(139, 92, 246, 0.28);
}


/* --------------------------------------------------------------------------
   FORGE
   -------------------------------------------------------------------------- */

[data-product="forge"] {
    --sv-theme-accent: #f97316;
    --sv-theme-accent-secondary: #ec4899;
    --sv-theme-glow: rgba(249, 115, 22, 0.28);
}


/* ==========================================================================
   21. THEME / PRODUCT TRANSITIONS
   ========================================================================== */

body,
.sv-card,
.sv-surface,
.sv-surface-elevated,
.sv-glass,
.sv-btn,
.sv-input,
.sv-select,
.sv-textarea {
    transition:
        background-color var(--sv-transition-normal),
        border-color var(--sv-transition-normal),
        color var(--sv-transition-normal);
}


/* ==========================================================================
   22. RESPONSIVE — TABLET
   ========================================================================== */

@media (max-width: 1024px) {

    .sv-grid-4 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sv-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sv-section {
        padding-block: var(--sv-space-12);
    }
}


/* ==========================================================================
   23. RESPONSIVE — MOBILE
   ========================================================================== */

@media (max-width: 768px) {

    :root {
        --sv-header-height: 64px;
        --sv-player-height: 68px;
    }

    .sv-container,
    .sv-container-wide,
    .sv-container-sm {
        width: min(
            calc(100% - 1.25rem),
            var(--sv-container-xl)
        );
    }

    .sv-grid-4,
    .sv-grid-3,
    .sv-grid-2 {
        grid-template-columns: 1fr;
    }

    .sv-grid-auto {
        grid-template-columns: repeat(
            2,
            minmax(0, 1fr)
        );

        gap: var(--sv-space-4);
    }

    .sv-section {
        padding-block: var(--sv-space-10);
    }

    .sv-flex-between {
        flex-wrap: wrap;
        gap: var(--sv-space-4);
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.8rem;
    }
}


/* ==========================================================================
   24. RESPONSIVE — SMALL MOBILE
   ========================================================================== */

@media (max-width: 480px) {

    .sv-grid-auto {
        grid-template-columns: 1fr;
    }

    .sv-card-body,
    .sv-card-header,
    .sv-card-footer {
        padding: var(--sv-space-4);
    }

    .sv-btn {
        width: 100%;
    }

    .sv-btn-icon {
        width: 42px;
    }
}


/* ==========================================================================
   25. ACCESSIBILITY
   ========================================================================== */

:focus-visible {
    outline: 2px solid var(--sv-theme-accent);
    outline-offset: 3px;
}

::selection {
    color: #ffffff;
    background: var(--sv-theme-accent);
}


/* ==========================================================================
   26. REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}