/* ==========================================================================
 * MIDNIGHT LOUNGE - Design System Framework
 * REGULR.vip Loyalty Platform
 *
 * Hoofdcss: variabelen, reset, basislayout, typografie, containers, animaties
 * Laatste update: 2026-04-17
 * ========================================================================== */

/* --------------------------------------------------------------------------
 * 1. CSS CUSTOM PROPERTIES (Design Tokens)
 * -------------------------------------------------------------------------- */
:root {
    /* Achtergrond */
    --bg-darkest: #0f0f0f;
    --bg-lightest: #1a1a1a;

    /* Glasmorfisme */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Tekst */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Accenten (per-tenant overschrijfbaar via inline style) */
    --accent-primary: #FFC107;
    --accent-secondary: #FF9800;
    --accent-gradient: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);

    /* Semantische kleuren */
    --success: #4CAF50;
    --error: #f44336;
    --warning: #FF9800;
    --info: #2196F3;

    /* Randradius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typografie */
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Overgangen */
    --transition-fast: all 150ms ease-out;
    --transition: all 200ms ease-out;
    --transition-slow: all 300ms ease-out;

    /* Z-index lagen */
    --z-base: 1;
    --z-dropdown: 50;
    --z-sticky: 100;
    --z-overlay: 200;
    --z-modal: 300;
    --z-toast: 400;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
}

/* --------------------------------------------------------------------------
 * 2. RESET
 * -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* --------------------------------------------------------------------------
 * 3. BASISLAYOUT
 * -------------------------------------------------------------------------- */
html {
    height: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-stack);
    background: linear-gradient(180deg, var(--bg-darkest) 0%, var(--bg-lightest) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--accent-secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: none;
    border-radius: 0;
}

/* --------------------------------------------------------------------------
 * 4. CONTAINERS
 * -------------------------------------------------------------------------- */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-md);
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md);
}

/* --------------------------------------------------------------------------
 * 5. TYPOGRAFIE
 * -------------------------------------------------------------------------- */
h1 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}

h4 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
}

p {
    margin-bottom: var(--space-sm);
}

small {
    font-size: 14px;
}

.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-accent    { color: var(--accent-primary); }
.text-success   { color: var(--success); }
.text-error     { color: var(--error); }
.text-warning   { color: var(--warning); }
.text-center    { text-align: center; }
.text-right     { text-align: right; }
.text-bold      { font-weight: 600; }
.text-sm        { font-size: 14px; }
.text-xs        { font-size: 12px; }

/* --------------------------------------------------------------------------
 * 6. GLASMORFISME KAARTEN
 * -------------------------------------------------------------------------- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--space-lg);
}

.glass-card--flat {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.glass-card--accent {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(255, 193, 7, 0.1);
    padding: var(--space-lg);
}

/* --------------------------------------------------------------------------
 * 7. LAYOUT HELPERS
 * -------------------------------------------------------------------------- */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-wrap     { flex-wrap: wrap; }
.items-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-1  { gap: var(--space-sm); }
.gap-2  { gap: var(--space-md); }
.gap-3  { gap: var(--space-lg); }

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

.w-full   { width: 100%; }
.hidden   { display: none !important; }

/* --------------------------------------------------------------------------
 * 8. SPACING UTILITIES
 * -------------------------------------------------------------------------- */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pb-2 { padding-bottom: 1rem; }
.px-2 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }

/* --------------------------------------------------------------------------
 * 9. ANIMATIES
 * -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

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

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

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-in      { animation: fadeInUp 200ms ease-out; }
.animate-fade    { animation: fadeIn 300ms ease-out; }
.animate-pulse   { animation: pulse 2s ease-in-out infinite; }
.animate-spin    { animation: spin 1s linear infinite; }

/* --------------------------------------------------------------------------
 * 10. RESPONSIVE BREAKPOINTS
 * -------------------------------------------------------------------------- */
@media (min-width: 480px) {
    .container { max-width: 480px; }
}

@media (min-width: 768px) {
    .container { max-width: 600px; }
    .container-wide { max-width: 960px; }

    .hide-desktop { display: none !important; }
}

@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 1024px) {
    .container { max-width: 600px; }
    .container-wide { max-width: 1200px; }
}

/* --------------------------------------------------------------------------
 * 11. PRINT
 * -------------------------------------------------------------------------- */
@media print {
    body { background: #fff; color: #000; }
    .glass-card { border: 1px solid #ccc; background: #f9f9f9; backdrop-filter: none; }
    .nav-top, .no-print { display: none; }
}