/* ═══════════════════════════════════════════════════════════════
   RUNORIUM DESIGN SYSTEM
   Unified styling for all Runorium D&D tools
   Privacy-first, local-first D&D tools
   ═══════════════════════════════════════════════════════════════ */

/* ────────────────────────────────────────────────────────────────
   FONTS - Self-hosted, geen externe CDN
   ──────────────────────────────────────────────────────────────── */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url('../fonts/inter.woff2') format('woff2');
}

@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('../fonts/space-grotesk.woff2') format('woff2');
}

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

html {
    scroll-behavior: smooth;
}

/* ────────────────────────────────────────────────────────────────
   CSS VARIABLES - RUNORIUM THEME
   ──────────────────────────────────────────────────────────────── */
:root {
    /* ═══ COLORS ═══ */
    /* Fantasy Gold Palette */
    --runorium-gold: #d4a855;
    --runorium-gold-light: #e8c97a;
    --runorium-gold-dark: #b8923a;
    --runorium-gold-alt: #d4af37;

    /* Crimson Palette */
    --runorium-crimson: #8b2942;
    --runorium-crimson-light: #a93d58;
    --runorium-crimson-dark: #6d1f33;

    /* Purple Palette */
    --runorium-purple: #4a3b6b;
    --runorium-purple-light: #6b5a8e;
    --runorium-purple-dark: #2d2440;

    /* Red Palette */
    --runorium-red: #c41e3a;
    --runorium-red-dark: #8b0000;

    /* Background Colors - Deep fantasy darkness */
    --runorium-bg-dark: #0d0b14;
    --runorium-bg-medium: #151220;
    --runorium-bg-card: rgba(74, 59, 107, 0.15);
    --runorium-bg-card-hover: rgba(74, 59, 107, 0.25);

    /* Alternative dark backgrounds (for slagorde compatibility) */
    --runorium-bg-alt: #0d0d1a;
    --runorium-bg-alt2: #14142a;
    --runorium-card: #1a1a30;
    --runorium-card-active: #1e2440;

    /* Text Colors */
    --runorium-text-primary: #f0e6d3;
    --runorium-text-secondary: #b8a88a;
    --runorium-text-muted: #7a6f5a;
    --runorium-text-alt: #e2e8f0;
    --runorium-text-alt2: #94a3b8;
    --runorium-text-alt3: #64748b;

    /* Status Colors */
    --runorium-success: #4a9c6d;
    --runorium-success-glow: rgba(74, 156, 109, 0.3);
    --runorium-success-alt: #22c55e;
    --runorium-warning: #f59e0b;
    --runorium-danger: #ef4444;

    /* Border Colors */
    --runorium-border: #2a2a48;
    --runorium-border-light: rgba(212, 168, 85, 0.15);
    --runorium-border-medium: rgba(212, 168, 85, 0.3);
    --runorium-border-active: var(--runorium-gold);

    /* ═══ SPACING ═══ */
    --runorium-spacing-xs: 0.5rem;
    --runorium-spacing-sm: 1rem;
    --runorium-spacing-md: 2rem;
    --runorium-spacing-lg: 4rem;
    --runorium-spacing-xl: 6rem;

    /* ═══ BORDER RADIUS ═══ */
    --runorium-radius-sm: 8px;
    --runorium-radius-md: 12px;
    --runorium-radius-lg: 20px;
    --runorium-radius-full: 9999px;

    /* ═══ TRANSITIONS ═══ */
    --runorium-transition-fast: 0.15s ease;
    --runorium-transition-normal: 0.3s ease;

    /* ═══ SHADOWS & GLOWS ═══ */
    --runorium-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    --runorium-glow-gold: 0 0 20px rgba(212, 168, 85, 0.3);
    --runorium-glow-purple: 0 0 30px rgba(74, 59, 107, 0.4);
    --runorium-glow-crimson: 0 0 20px rgba(139, 41, 66, 0.3);

    /* ═══ FONTS ═══ */
    --runorium-font-heading: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    --runorium-font-body: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

/* ────────────────────────────────────────────────────────────────
   TYPOGRAPHY
   ──────────────────────────────────────────────────────────────── */
body {
    font-family: var(--runorium-font-body);
    background-color: var(--runorium-bg-dark);
    color: var(--runorium-text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--runorium-font-heading);
    font-weight: 600;
    color: var(--runorium-text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

a {
    color: var(--runorium-gold);
    text-decoration: none;
    transition: color var(--runorium-transition-fast);
}

a:hover {
    color: var(--runorium-gold-light);
}

/* ────────────────────────────────────────────────────────────────
   BUTTONS
   ──────────────────────────────────────────────────────────────── */
.runorium-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--runorium-spacing-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--runorium-font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--runorium-radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--runorium-transition-normal);
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
}

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

.runorium-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.runorium-btn:hover:not(:disabled) {
    transform: translateY(-2px);
}

/* Button Variants */
.runorium-btn-primary {
    background: linear-gradient(135deg, var(--runorium-gold) 0%, var(--runorium-gold-dark) 100%);
    color: #1a1200;
    border-color: var(--runorium-gold-light);
}

.runorium-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--runorium-gold-light) 0%, var(--runorium-gold) 100%);
    box-shadow: var(--runorium-glow-gold);
}

.runorium-btn-secondary {
    background: linear-gradient(135deg, var(--runorium-crimson) 0%, var(--runorium-crimson-dark) 100%);
    color: var(--runorium-text-primary);
    border-color: rgba(212, 168, 85, 0.4);
    box-shadow: var(--runorium-glow-crimson), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.runorium-btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--runorium-crimson-light) 0%, var(--runorium-crimson) 100%);
    border-color: var(--runorium-gold);
    box-shadow: 0 0 30px rgba(139, 41, 66, 0.5), 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.runorium-btn-outline {
    background: transparent;
    color: var(--runorium-text-secondary);
    border: 2px solid var(--runorium-border);
}

.runorium-btn-outline:hover:not(:disabled) {
    background: rgba(74, 59, 107, 0.15);
    border-color: var(--runorium-gold);
    color: var(--runorium-text-primary);
}

.runorium-btn-danger {
    background: var(--runorium-red);
    color: #fff;
    border-color: var(--runorium-red-dark);
}

.runorium-btn-danger:hover:not(:disabled) {
    background: var(--runorium-crimson);
    box-shadow: 0 0 20px rgba(196, 30, 58, 0.4);
}

.runorium-btn-success {
    background: var(--runorium-success);
    color: #fff;
    border-color: var(--runorium-success-alt);
}

.runorium-btn-success:hover:not(:disabled) {
    background: var(--runorium-success-alt);
    box-shadow: var(--runorium-success-glow);
}

/* Button Sizes */
.runorium-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--runorium-radius-sm);
}

.runorium-btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.runorium-btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--runorium-radius-sm);
}

/* ────────────────────────────────────────────────────────────────
   CARDS
   ──────────────────────────────────────────────────────────────── */
.runorium-card {
    background: linear-gradient(135deg, var(--runorium-bg-card) 0%, rgba(13, 11, 20, 0.6) 100%);
    border: 1px solid var(--runorium-border-light);
    border-radius: var(--runorium-radius-lg);
    padding: var(--runorium-spacing-md);
    transition: all var(--runorium-transition-normal);
    position: relative;
    overflow: hidden;
}

.runorium-card:hover {
    background: linear-gradient(135deg, var(--runorium-bg-card-hover) 0%, rgba(13, 11, 20, 0.7) 100%);
    border-color: var(--runorium-border-medium);
    transform: translateY(-4px);
    box-shadow: var(--runorium-glow-purple);
}

/* Card decorative corners */
.runorium-card::before,
.runorium-card::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--runorium-gold);
    border-style: solid;
    opacity: 0.3;
    transition: opacity var(--runorium-transition-normal);
}

.runorium-card::before {
    top: 8px;
    left: 8px;
    border-width: 2px 0 0 2px;
}

.runorium-card::after {
    bottom: 8px;
    right: 8px;
    border-width: 0 2px 2px 0;
}

.runorium-card:hover::before,
.runorium-card:hover::after {
    opacity: 0.6;
}

/* ────────────────────────────────────────────────────────────────
   BADGES
   ──────────────────────────────────────────────────────────────── */
.runorium-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--runorium-spacing-xs);
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--runorium-radius-full);
    border: 1px solid transparent;
}

.runorium-badge-success {
    background: rgba(74, 156, 109, 0.2);
    color: var(--runorium-success);
    border-color: rgba(74, 156, 109, 0.3);
}

.runorium-badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--runorium-warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.runorium-badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--runorium-danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.runorium-badge-gold {
    background: rgba(212, 168, 85, 0.2);
    color: var(--runorium-gold);
    border-color: rgba(212, 168, 85, 0.3);
}

/* ────────────────────────────────────────────────────────────────
   MODALS
   ──────────────────────────────────────────────────────────────── */
.runorium-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--runorium-spacing-sm);
}

.runorium-modal {
    background: linear-gradient(135deg, var(--runorium-bg-medium) 0%, var(--runorium-bg-dark) 100%);
    border: 2px solid var(--runorium-gold);
    border-radius: var(--runorium-radius-lg);
    padding: var(--runorium-spacing-md);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--runorium-glow-gold), var(--runorium-shadow);
}

.runorium-modal-title {
    font-family: var(--runorium-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--runorium-gold);
    margin-bottom: var(--runorium-spacing-md);
    padding-bottom: var(--runorium-spacing-sm);
    border-bottom: 1px solid var(--runorium-border-light);
}

.runorium-modal-content {
    color: var(--runorium-text-secondary);
    line-height: 1.6;
}

/* ────────────────────────────────────────────────────────────────
   FORMS
   ──────────────────────────────────────────────────────────────── */
.runorium-form-group {
    margin-bottom: var(--runorium-spacing-sm);
}

.runorium-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--runorium-text-secondary);
    margin-bottom: 0.5rem;
}

.runorium-input,
.runorium-select,
.runorium-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--runorium-font-body);
    font-size: 0.95rem;
    color: var(--runorium-text-primary);
    background: var(--runorium-card);
    border: 2px solid var(--runorium-border);
    border-radius: var(--runorium-radius-sm);
    transition: all var(--runorium-transition-fast);
}

.runorium-input:focus,
.runorium-select:focus,
.runorium-textarea:focus {
    outline: none;
    border-color: var(--runorium-gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 85, 0.1);
}

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

/* ────────────────────────────────────────────────────────────────
   UTILITY CLASSES
   ──────────────────────────────────────────────────────────────── */

/* Spacing */
.runorium-mt-xs { margin-top: var(--runorium-spacing-xs); }
.runorium-mt-sm { margin-top: var(--runorium-spacing-sm); }
.runorium-mt-md { margin-top: var(--runorium-spacing-md); }
.runorium-mt-lg { margin-top: var(--runorium-spacing-lg); }

.runorium-mb-xs { margin-bottom: var(--runorium-spacing-xs); }
.runorium-mb-sm { margin-bottom: var(--runorium-spacing-sm); }
.runorium-mb-md { margin-bottom: var(--runorium-spacing-md); }
.runorium-mb-lg { margin-bottom: var(--runorium-spacing-lg); }

.runorium-p-xs { padding: var(--runorium-spacing-xs); }
.runorium-p-sm { padding: var(--runorium-spacing-sm); }
.runorium-p-md { padding: var(--runorium-spacing-md); }
.runorium-p-lg { padding: var(--runorium-spacing-lg); }

/* Text */
.runorium-text-center { text-align: center; }
.runorium-text-gold { color: var(--runorium-gold); }
.runorium-text-muted { color: var(--runorium-text-muted); }
.runorium-text-primary { color: var(--runorium-text-primary); }

/* Flex */
.runorium-flex { display: flex; }
.runorium-flex-center { display: flex; align-items: center; justify-content: center; }
.runorium-flex-between { display: flex; align-items: center; justify-content: space-between; }
.runorium-flex-col { display: flex; flex-direction: column; }
.runorium-gap-xs { gap: var(--runorium-spacing-xs); }
.runorium-gap-sm { gap: var(--runorium-spacing-sm); }
.runorium-gap-md { gap: var(--runorium-spacing-md); }

/* Display */
.runorium-hidden { display: none; }
.runorium-block { display: block; }
.runorium-inline-block { display: inline-block; }

/* ────────────────────────────────────────────────────────────────
   RESPONSIVE BREAKPOINTS
   ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .runorium-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }

    .runorium-modal {
        padding: var(--runorium-spacing-sm);
    }
}

/* ────────────────────────────────────────────────────────────────
   ANIMATIONS
   ──────────────────────────────────────────────────────────────── */
@keyframes runorium-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes runorium-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes runorium-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.runorium-fade-in {
    animation: runorium-fade-in 0.3s ease;
}

.runorium-pulse {
    animation: runorium-pulse 2s ease-in-out infinite;
}

.runorium-spin {
    animation: runorium-spin 1s linear infinite;
}