/* =====================================================================
   Creator Exchange — Global Design System
   Tokens, resets, typography, form controls, buttons, utilities
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

/* ----- Design Tokens ----- */
:root {
    /* Surfaces */
    --bg-main: #090d16;
    --bg-surface: rgba(17, 24, 39, 0.72);
    --bg-input: #111827;
    --border-color: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Brand */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a78bfa 100%);

    /* Semantic */
    --success: #10b981;
    --success-hover: #059669;
    --success-glow: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.15);
    --danger: #f43f5e;
    --danger-glow: rgba(244, 63, 94, 0.15);
    --info: #06b6d4;
    --info-glow: rgba(6, 182, 212, 0.15);

    /* Elevation */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
                 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3),
                 0 8px 16px -6px rgba(0, 0, 0, 0.3);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Radii */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;

    /* Motion */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- Light Mode ----- */
body.light {
    --bg-main: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.8);
    --bg-input: #f1f5f9;
    --border-color: rgba(0, 0, 0, 0.06);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --primary-glow: rgba(99, 102, 241, 0.1);
    --success-glow: rgba(16, 185, 129, 0.08);
    --warning-glow: rgba(245, 158, 11, 0.08);
    --danger-glow: rgba(244, 63, 94, 0.08);
    --info-glow: rgba(6, 182, 212, 0.08);
    --shadow-lg: 0 10px 25px -5px rgba(99, 102, 241, 0.05),
                 0 8px 16px -6px rgba(99, 102, 241, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(99, 102, 241, 0.03);
}

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

html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

::selection {
    background-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* ----- Scrollbar (dark mode) ----- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}

body.light ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
}

body.light ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ----- Glassmorphism Panel ----- */
.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    transition: var(--transition);
    gap: 0.5rem;
    user-select: none;
    white-space: nowrap;
    line-height: 1.4;
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 6px 20px 0 var(--primary-glow);
}

.btn-primary:active {
    transform: translateY(0.5px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    transform: translateY(-1.5px);
}

.btn-secondary:active {
    transform: translateY(0.5px);
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
    box-shadow: 0 4px 14px 0 var(--danger-glow);
}

.btn-danger:hover {
    background-color: #e11d48;
    transform: translateY(-1.5px);
    box-shadow: 0 6px 20px 0 var(--danger-glow);
}

.btn-danger:active {
    transform: translateY(0.5px);
}

/* ----- Form Controls ----- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-body);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
    line-height: 1.5;
}

.form-control:hover {
    border-color: rgba(255, 255, 255, 0.16);
}

body.light .form-control:hover {
    border-color: rgba(0, 0, 0, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 6rem;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: var(--bg-input);
}

.form-control:focus-visible {
    outline: none;
}

/* ----- Animations ----- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}