/**
 * MailHealer - Swiss Style Design System
 * Inspirado en International Typographic Style (Swiss Style)
 * 
 * Paleta: Negro, Blanco, Rojo (#E30613)
 * Tipografía: Inter
 * Características: UPPERCASE, letter-spacing, bordes rectos, grid
 */

/* ============================================================================
   1. VARIABLES CSS
   ============================================================================ */

:root {
    /* Colores principales */
    --swiss-black: #000000;
    --swiss-white: #FFFFFF;
    --swiss-red: #E30613;
    --swiss-gray: #E0E0E0;
    --swiss-darkgray: #4A4A4A;
    --swiss-lightgray: #F5F5F5;
    
    /* Colores de estado */
    --swiss-success: #16a34a;
    --swiss-warning: #ca8a04;
    --swiss-error: #dc2626;
    --swiss-info: #0284c7;
    
    /* Tipografía */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Bordes */
    --border-width: 1px;
    --border-accent: 4px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --header-height: 70px;
}

/* ============================================================================
   2. RESET Y BASE
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--swiss-white);
    color: var(--swiss-black);
    line-height: 1.5;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   3. TIPOGRAFÍA
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h6 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--swiss-darkgray);
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--swiss-black);
}

code, pre {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--swiss-lightgray);
    border: 1px solid var(--swiss-gray);
}

code {
    padding: 0.2em 0.4em;
}

pre {
    padding: 1rem;
    overflow-x: auto;
}

/* ============================================================================
   4. LAYOUT - PANEL
   ============================================================================ */

.swiss-layout {
    display: flex;
    min-height: 100vh;
}

.swiss-sidebar {
    width: var(--sidebar-width);
    background: var(--swiss-black);
    color: var(--swiss-white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.swiss-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.swiss-header {
    height: var(--header-height);
    background: var(--swiss-white);
    border-bottom: var(--border-width) solid var(--swiss-black);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.swiss-content {
    flex: 1;
    padding: var(--space-xl);
    background: var(--swiss-lightgray);
}

/* Grid overlay (opcional, decorativo) */
.swiss-grid-overlay {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(227,6,19,0.03) 49px, rgba(227,6,19,0.03) 50px),
        repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(227,6,19,0.03) 49px, rgba(227,6,19,0.03) 50px);
    opacity: 0.5;
}

/* ============================================================================
   5. SIDEBAR
   ============================================================================ */

/* Logo */
.swiss-sidebar-logo {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.swiss-sidebar-logo a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--swiss-white);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.swiss-sidebar-logo a:hover {
    color: var(--swiss-red);
}

.swiss-sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--swiss-red);
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiss-sidebar-logo-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

/* Navegación */
.swiss-sidebar-nav {
    flex: 1;
    padding: var(--space-md) 0;
    overflow-y: auto;
}

.swiss-nav-section {
    padding: var(--space-lg) var(--space-xl) var(--space-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.4);
}

.swiss-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: var(--border-accent) solid transparent;
}

.swiss-nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--swiss-white);
}

.swiss-nav-item.active {
    background: rgba(255,255,255,0.1);
    color: var(--swiss-white);
    border-left-color: var(--swiss-red);
}

.swiss-nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.swiss-nav-item .badge {
    margin-left: auto;
}

/* Footer del sidebar */
.swiss-sidebar-footer {
    padding: var(--space-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.swiss-sidebar-user {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Sidebar Admin (diferenciado) */
.swiss-sidebar.admin {
    border-right: var(--border-accent) solid var(--swiss-red);
}

.swiss-sidebar.admin .swiss-sidebar-logo a {
    color: var(--swiss-red);
}

.swiss-sidebar.admin .swiss-nav-item.active {
    border-left-color: var(--swiss-white);
}

/* ============================================================================
   6. HEADER
   ============================================================================ */

.swiss-page-title {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

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

/* Header Admin */
.swiss-header.admin {
    border-bottom-color: var(--swiss-red);
    border-bottom-width: 2px;
}

/* ============================================================================
   7. CARDS
   ============================================================================ */

.swiss-card {
    background: var(--swiss-white);
    border: var(--border-width) solid var(--swiss-black);
    padding: var(--space-xl);
    transition: border-color var(--transition-fast);
}

.swiss-card:hover {
    border-color: var(--swiss-red);
}

.swiss-card-accent {
    border-left: var(--border-accent) solid var(--swiss-red);
}

.swiss-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--swiss-gray);
}

.swiss-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.swiss-card-body {
    /* Contenido principal */
}

.swiss-card-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--swiss-gray);
}

/* Card con estado */
.swiss-card.success { border-left-color: var(--swiss-success); }
.swiss-card.warning { border-left-color: var(--swiss-warning); }
.swiss-card.error { border-left-color: var(--swiss-error); }
.swiss-card.info { border-left-color: var(--swiss-info); }

/* ============================================================================
   8. BOTONES
   ============================================================================ */

.swiss-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.5rem;
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.swiss-btn svg {
    width: 16px;
    height: 16px;
}

/* Primary - Rojo */
.swiss-btn-primary {
    background: var(--swiss-red);
    color: var(--swiss-white);
}

.swiss-btn-primary:hover {
    background: var(--swiss-black);
    color: var(--swiss-white);
}

/* Secondary - Negro */
.swiss-btn-secondary {
    background: var(--swiss-black);
    color: var(--swiss-white);
}

.swiss-btn-secondary:hover {
    background: var(--swiss-red);
}

/* Outline */
.swiss-btn-outline {
    background: transparent;
    color: var(--swiss-black);
    border: var(--border-width) solid var(--swiss-black);
}

.swiss-btn-outline:hover {
    background: var(--swiss-black);
    color: var(--swiss-white);
}

/* Ghost */
.swiss-btn-ghost {
    background: transparent;
    color: var(--swiss-black);
}

.swiss-btn-ghost:hover {
    background: var(--swiss-lightgray);
}

/* Tamaños */
.swiss-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.swiss-btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

/* Full width */
.swiss-btn-block {
    width: 100%;
}

/* Disabled */
.swiss-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   9. FORMULARIOS
   ============================================================================ */

.swiss-form-group {
    margin-bottom: var(--space-lg);
}

.swiss-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.swiss-input,
.swiss-select,
.swiss-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-main);
    font-size: 0.95rem;
    background: var(--swiss-white);
    border: var(--border-width) solid var(--swiss-black);
    color: var(--swiss-black);
    transition: border-color var(--transition-fast);
}

.swiss-input:focus,
.swiss-select:focus,
.swiss-textarea:focus {
    outline: none;
    border-color: var(--swiss-red);
}

.swiss-input::placeholder {
    color: var(--swiss-darkgray);
}

.swiss-textarea {
    min-height: 120px;
    resize: vertical;
}

.swiss-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Checkbox y Radio */
.swiss-checkbox,
.swiss-radio {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.swiss-checkbox input,
.swiss-radio input {
    width: 18px;
    height: 18px;
    accent-color: var(--swiss-red);
}

/* Error state */
.swiss-input.error,
.swiss-select.error,
.swiss-textarea.error {
    border-color: var(--swiss-error);
}

.swiss-form-error {
    margin-top: var(--space-xs);
    font-size: 0.8rem;
    color: var(--swiss-error);
}

.swiss-form-hint {
    margin-top: var(--space-xs);
    font-size: 0.8rem;
    color: var(--swiss-darkgray);
}

/* ============================================================================
   10. TABLAS
   ============================================================================ */

.swiss-table-container {
    overflow-x: auto;
    border: var(--border-width) solid var(--swiss-black);
}

.swiss-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.swiss-table th {
    background: var(--swiss-black);
    color: var(--swiss-white);
    padding: 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.swiss-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--swiss-gray);
    vertical-align: middle;
}

.swiss-table tr:last-child td {
    border-bottom: none;
}

.swiss-table tbody tr:hover {
    background: var(--swiss-lightgray);
}

/* Tabla compacta */
.swiss-table-sm th,
.swiss-table-sm td {
    padding: 0.75rem;
}

/* ============================================================================
   11. BADGES
   ============================================================================ */

.swiss-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.swiss-badge-primary {
    background: var(--swiss-red);
    color: var(--swiss-white);
}

.swiss-badge-secondary {
    background: var(--swiss-black);
    color: var(--swiss-white);
}

.swiss-badge-outline {
    background: transparent;
    border: 1px solid var(--swiss-black);
    color: var(--swiss-black);
}

.swiss-badge-success {
    background: var(--swiss-success);
    color: var(--swiss-white);
}

.swiss-badge-warning {
    background: var(--swiss-warning);
    color: var(--swiss-white);
}

.swiss-badge-error {
    background: var(--swiss-error);
    color: var(--swiss-white);
}

/* ============================================================================
   12. ALERTAS / INFO BOXES
   ============================================================================ */

.swiss-alert {
    padding: var(--space-lg);
    border: var(--border-width) solid var(--swiss-black);
    border-left: var(--border-accent) solid var(--swiss-black);
    margin-bottom: var(--space-lg);
}

.swiss-alert-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.swiss-alert-title svg {
    width: 18px;
    height: 18px;
}

.swiss-alert-info {
    background: #f0f9ff;
    border-left-color: var(--swiss-info);
}

.swiss-alert-success {
    background: #f0fdf4;
    border-left-color: var(--swiss-success);
}

.swiss-alert-warning {
    background: #fefce8;
    border-left-color: var(--swiss-warning);
}

.swiss-alert-error {
    background: #fef2f2;
    border-left-color: var(--swiss-error);
}

/* ============================================================================
   13. MODALES
   ============================================================================ */

.swiss-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.swiss-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.swiss-modal {
    background: var(--swiss-white);
    border: var(--border-width) solid var(--swiss-black);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

.swiss-modal-overlay.active .swiss-modal {
    transform: translateY(0);
}

.swiss-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: var(--border-width) solid var(--swiss-black);
    background: var(--swiss-black);
    color: var(--swiss-white);
}

.swiss-modal-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.swiss-modal-close {
    background: none;
    border: none;
    color: var(--swiss-white);
    cursor: pointer;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
}

.swiss-modal-close:hover {
    color: var(--swiss-red);
}

.swiss-modal-body {
    padding: var(--space-xl);
}

.swiss-modal-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: var(--border-width) solid var(--swiss-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ============================================================================
   14. STATS / MÉTRICAS
   ============================================================================ */

.swiss-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.swiss-stat-card {
    background: var(--swiss-white);
    border: var(--border-width) solid var(--swiss-black);
    padding: var(--space-xl);
    transition: all var(--transition-fast);
}

.swiss-stat-card:hover {
    border-color: var(--swiss-red);
}

.swiss-stat-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--swiss-darkgray);
    margin-bottom: var(--space-sm);
}

.swiss-stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
}

.swiss-stat-change {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.swiss-stat-change.positive { color: var(--swiss-success); }
.swiss-stat-change.negative { color: var(--swiss-error); }

/* ============================================================================
   15. ESTADOS DE DOMINIO / HEALTH
   ============================================================================ */

.swiss-health-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.swiss-health-dot {
    width: 10px;
    height: 10px;
    border-radius: 0;
}

.swiss-health-dot.excellent { background: var(--swiss-success); }
.swiss-health-dot.good { background: #22c55e; }
.swiss-health-dot.fair { background: var(--swiss-warning); }
.swiss-health-dot.poor { background: #f97316; }
.swiss-health-dot.critical { background: var(--swiss-error); }

.swiss-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
    font-weight: 900;
    border: 2px solid currentColor;
}

.swiss-score.grade-a { color: var(--swiss-success); }
.swiss-score.grade-b { color: #22c55e; }
.swiss-score.grade-c { color: var(--swiss-warning); }
.swiss-score.grade-d { color: #f97316; }
.swiss-score.grade-f { color: var(--swiss-error); }

/* ============================================================================
   16. BLACKLIST STATUS
   ============================================================================ */

.swiss-blacklist-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border: var(--border-width) solid var(--swiss-gray);
    margin-bottom: var(--space-sm);
    transition: all var(--transition-fast);
}

.swiss-blacklist-item:hover {
    border-color: var(--swiss-black);
}

.swiss-blacklist-item.listed {
    border-left: var(--border-accent) solid var(--swiss-error);
    background: #fef2f2;
}

.swiss-blacklist-item.clean {
    border-left: var(--border-accent) solid var(--swiss-success);
}

.swiss-blacklist-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.swiss-blacklist-status {
    width: 8px;
    height: 8px;
}

.swiss-blacklist-status.listed { background: var(--swiss-error); }
.swiss-blacklist-status.clean { background: var(--swiss-success); }

.swiss-blacklist-name {
    font-weight: 600;
}

.swiss-blacklist-host {
    font-size: 0.8rem;
    color: var(--swiss-darkgray);
    font-family: var(--font-mono);
}

.swiss-blacklist-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ============================================================================
   17. EMPTY STATES
   ============================================================================ */

.swiss-empty {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    color: var(--swiss-darkgray);
}

.swiss-empty-icon {
    margin-bottom: var(--space-lg);
    color: var(--swiss-gray);
}

.swiss-empty-icon svg {
    width: 64px;
    height: 64px;
    stroke-width: 1;
}

.swiss-empty-title {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    color: var(--swiss-black);
}

.swiss-empty-text {
    margin-bottom: var(--space-lg);
}

/* ============================================================================
   18. LOADING
   ============================================================================ */

.swiss-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.swiss-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--swiss-gray);
    border-top-color: var(--swiss-red);
    animation: swiss-spin 0.8s linear infinite;
}

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

/* ============================================================================
   19. TOOLTIPS
   ============================================================================ */

.swiss-tooltip {
    position: relative;
}

.swiss-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-sm) var(--space-md);
    background: var(--swiss-black);
    color: var(--swiss-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-sm);
}

.swiss-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================================================
   20. UTILIDADES
   ============================================================================ */

/* Texto */
.text-uppercase { text-transform: uppercase; letter-spacing: 0.1em; }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--swiss-darkgray); }
.text-red { color: var(--swiss-red); }
.text-success { color: var(--swiss-success); }
.text-warning { color: var(--swiss-warning); }
.text-error { color: var(--swiss-error); }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

/* Espaciado */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

/* Display */
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

/* Grid */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================================
   21. RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
    .swiss-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    .swiss-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .swiss-sidebar.open {
        transform: translateX(0);
        width: 280px;
    }
    
    .swiss-main {
        margin-left: 0;
    }
    
    .swiss-content {
        padding: var(--space-md);
    }
    
    .swiss-stats-grid,
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .swiss-table-container {
        margin: 0 calc(-1 * var(--space-md));
    }
    
    .swiss-modal {
        margin: var(--space-md);
        max-height: calc(100vh - var(--space-xl));
    }
    
    /* Mobile menu toggle */
    .swiss-mobile-toggle {
        display: flex;
    }
}

@media (min-width: 769px) {
    .swiss-mobile-toggle {
        display: none;
    }
    
    .swiss-mobile-overlay {
        display: none !important;
    }
}

/* Mobile menu toggle button */
.swiss-mobile-toggle {
    width: 44px;
    height: 44px;
    background: var(--swiss-black);
    border: none;
    color: var(--swiss-white);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}

.swiss-mobile-toggle:hover {
    background: var(--swiss-red);
}

.swiss-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    display: none;
}

.swiss-mobile-overlay.active {
    display: block;
}