/**
 * Wyrazole.pl — Global Design System
 * Calm dark theme, mobile-first, clean typography
 */

/* ═══════════════════════════════════════════
   CSS Custom Properties
   ═══════════════════════════════════════════ */
:root {
    /* ─── Colors ─── */
    --color-bg-primary: #0f1729;
    --color-bg-secondary: #162033;
    --color-bg-card: #1a2540;
    --color-bg-card-hover: #1f2d4d;
    --color-bg-elevated: #1e2a45;
    --color-bg-input: #162033;

    --color-text-primary: #e8ecf4;
    --color-text-secondary: #8794b0;
    --color-text-muted: #5a6a8a;
    --color-text-accent: #6ba3f7;

    --color-accent: #5b8def;
    --color-accent-hover: #4a7de0;
    --color-accent-soft: rgba(91, 141, 239, 0.12);
    --color-accent-glow: rgba(91, 141, 239, 0.25);

    --color-success: #4caf82;
    --color-success-soft: rgba(76, 175, 130, 0.12);
    --color-warning: #e0a840;
    --color-warning-soft: rgba(224, 168, 64, 0.12);
    --color-danger: #e05555;
    --color-danger-soft: rgba(224, 85, 85, 0.12);

    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    --color-border-active: rgba(91, 141, 239, 0.3);

    /* ─── Typography ─── */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;

    /* ─── 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;

    /* ─── Radius ─── */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* ─── Shadows ─── */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px var(--color-accent-glow);

    /* ─── Transitions ─── */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

    /* ─── Z-index scale ─── */
    --z-base: 1;
    --z-dropdown: 100;
    --z-header: 200;
    --z-modal: 500;
    --z-toast: 600;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: var(--color-accent);
    color: #fff;
}

/* ═══════════════════════════════════════════
   Page Wrapper
   ═══════════════════════════════════════════ */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
}

/* ═══════════════════════════════════════════
   Header
   ═══════════════════════════════════════════ */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: rgba(15, 23, 41, 0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
    height: 56px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-weight: 800;
    font-size: var(--text-lg);
    letter-spacing: 0.5px;
}

.header-logo:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-accent), #7c5bf5);
    border-radius: var(--radius-sm);
    font-weight: 900;
    font-size: var(--text-sm);
    color: #fff;
    flex-shrink: 0;
}

.logo-icon.small {
    width: 24px;
    height: 24px;
    font-size: 0.7rem;
}

.header-nav {
    display: flex;
    gap: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-icon {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    opacity: 1;
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: var(--color-accent-soft);
}

.nav-link.active {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Login button */
.btn-login {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-login:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

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

/* User Avatar */
.user-menu {
    position: relative;
}

.user-avatar-btn {
    padding: 0;
    background: none;
}

.avatar-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent), #7c5bf5);
    color: #fff;
    font-weight: 700;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.user-avatar-btn:hover .avatar-circle {
    box-shadow: 0 0 0 3px var(--color-accent-soft);
    transform: scale(1.05);
}

/* Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.96);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.user-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-header {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-username {
    font-weight: 700;
    font-size: var(--text-sm);
}

.dropdown-email {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-accent-soft);
    color: var(--color-text-primary);
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.site-footer {
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
    display: flex;
    justify-content: space-between;
    gap: var(--space-2xl);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--space-2xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col h4 {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.footer-col a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--space-md);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    background: var(--color-accent);
    color: #fff;
    font-weight: 700;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-full {
    width: 100%;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    background: transparent;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-accent-soft);
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}

/* ═══════════════════════════════════════════
   Modal
   ═══════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    animation: fadeIn 0.2s ease;
}

.modal-box {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 420px;
    position: relative;
    animation: slideUp 0.35s var(--transition-slow);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-accent-soft);
    color: var(--color-text-primary);
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--space-xs);
}

.modal-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xl);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: var(--space-xl);
}

.auth-tab {
    flex: 1;
    padding: 10px;
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.auth-tab.active {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

.auth-tab:hover:not(.active) {
    color: var(--color-text-secondary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    outline: none;
}

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

.form-group input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-error {
    color: var(--color-danger);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-md);
    min-height: 1.2em;
}

/* Social login */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.btn-social:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-border-hover);
    transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   Cards (Game cards on homepage)
   ═══════════════════════════════════════════ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.game-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
}

.game-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.game-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg-card-hover);
}

.game-card:hover::before {
    opacity: 1;
}

.game-card:active {
    transform: translateY(-2px) scale(0.98);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    flex-shrink: 0;
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--color-text-primary);
}

.card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

/* Card accent gradients per game */
.card-wyrazole .card-icon { background: linear-gradient(135deg, #5b8def, #7c5bf5); }
.card-wyrazole::before { background: radial-gradient(ellipse at 50% -20%, rgba(91, 141, 239, 0.08) 0%, transparent 70%); }

.card-daily-easy .card-icon { background: linear-gradient(135deg, #4caf82, #3d9e72); }
.card-daily-easy::before { background: radial-gradient(ellipse at 50% -20%, rgba(76, 175, 130, 0.08) 0%, transparent 70%); }

.card-daily-hard .card-icon { background: linear-gradient(135deg, #e0a840, #d4952e); }
.card-daily-hard::before { background: radial-gradient(ellipse at 50% -20%, rgba(224, 168, 64, 0.08) 0%, transparent 70%); }

.card-tinter .card-icon { background: linear-gradient(135deg, #e05577, #c94060); }
.card-tinter::before { background: radial-gradient(ellipse at 50% -20%, rgba(224, 85, 119, 0.08) 0%, transparent 70%); }

.card-wisielec .card-icon { background: linear-gradient(135deg, #9b6fd4, #7c5bf5); }
.card-wisielec::before { background: radial-gradient(ellipse at 50% -20%, rgba(155, 111, 212, 0.08) 0%, transparent 70%); }

.card-zakreslanka .card-icon { background: linear-gradient(135deg, #4db6ac, #009688); }
.card-zakreslanka::before { background: radial-gradient(ellipse at 50% -20%, rgba(77, 182, 172, 0.08) 0%, transparent 70%); }

.card-topka .card-icon { background: linear-gradient(135deg, #f59e0b, #f97316); }
.card-topka::before { background: radial-gradient(ellipse at 50% -20%, rgba(245, 158, 11, 0.08) 0%, transparent 70%); }

.card-kujon .card-icon { background: linear-gradient(135deg, #d4af37, #b8860b); }
.card-kujon::before { background: radial-gradient(ellipse at 50% -20%, rgba(212, 175, 55, 0.08) 0%, transparent 70%); }

/* ═══════════════════════════════════════════
   Section headings
   ═══════════════════════════════════════════ */
.section-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.home-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.home-col {
    flex: 1;
    min-width: 320px;
}

@media (max-width: 900px) {
    .home-col {
        min-width: 100%;
    }
    .home-row {
        gap: var(--space-lg);
    }
}

.page-hero {
    text-align: center;
    padding: var(--space-2xl) 0 var(--space-xl);
}

.page-hero h1 {
    font-size: var(--text-3xl);
    font-weight: 900;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--color-accent), #7c5bf5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}

/* ═══════════════════════════════════════════
   Static page content
   ═══════════════════════════════════════════ */
.content-page {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md) var(--space-3xl);
}

.content-page h1 {
    font-size: var(--text-3xl);
    font-weight: 900;
    margin-bottom: var(--space-lg);
}

.content-page h2 {
    font-size: var(--text-xl);
    font-weight: 800;
    margin: var(--space-2xl) 0 var(--space-md);
    color: var(--color-text-primary);
}

.content-page h3 {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-sm);
}

.content-page p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.content-page ul,
.content-page ol {
    color: var(--color-text-secondary);
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
}

.content-page li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.content-page strong {
    color: var(--color-text-primary);
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(24px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Staggered card entrance */
.game-card {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.game-card:nth-child(1) { animation-delay: 0.05s; }
.game-card:nth-child(2) { animation-delay: 0.1s; }
.game-card:nth-child(3) { animation-delay: 0.15s; }
.game-card:nth-child(4) { animation-delay: 0.2s; }
.game-card:nth-child(5) { animation-delay: 0.25s; }
.game-card:nth-child(6) { animation-delay: 0.3s; }

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .footer-links {
        gap: var(--space-xl);
    }

    .page-hero h1 {
        font-size: var(--text-2xl);
    }

    .page-hero p {
        font-size: var(--text-base);
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .game-card {
        flex-direction: row;
        text-align: left;
        padding: var(--space-lg);
    }

    .card-text {
        flex: 1;
        min-width: 0;
    }

    .main-content {
        padding: var(--space-md) var(--space-md);
    }
}

@media (max-width: 480px) {
    .header-inner {
        height: 50px;
    }

    .logo-text {
        font-size: var(--text-base);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .modal-box {
        padding: var(--space-xl);
        border-radius: var(--radius-lg);
    }
}

/* ═══════════════════════════════════════════
   Toast (global)
   ═══════════════════════════════════════════ */
.toast {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--text-sm);
    z-index: var(--z-toast);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    text-align: center;
}

.toast.show {
    opacity: 1;
}

/* ═══════════════════════════════════════════
   Utility classes
   ═══════════════════════════════════════════ */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.hidden { display: none !important; }