/* ==========================================================================
   FormUp - Estilos Centralizados
   ========================================================================== */

/* ==========================================================================
   1. BASE & RESET
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ==========================================================================
   2. CSS VARIABLES
   ========================================================================== */
:root {
    --bg: #f9fafb;
    --card: #ffffff;
    --text: #111827;
    --text-muted: #6b7280;
    --text-secondary: #64748b;
    --border: #e5e7eb;
    --border-light: rgba(255, 255, 255, 0.8);
    --btn: #111827;
    --btnText: #ffffff;
    --ghostBg: #ffffff;
    --ghostText: #111827;
    
    /* Primary gradient */
    --gradient-primary: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    --gradient-bg: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 50%, #e0e7ef 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   3. BACKGROUNDS
   ========================================================================== */
.bg-gradient {
    background: var(--gradient-bg);
}

.bg-white {
    background-color: #ffffff;
}

.bg-light {
    background-color: var(--bg);
}

/* Animated background circles */
.bg-animated::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    animation: float 20s ease-in-out infinite;
}

.bg-animated::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -200px;
    left: -200px;
    animation: float 15s ease-in-out infinite reverse;
}

/* ==========================================================================
   4. ANIMATIONS
   ========================================================================== */
@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, 30px) scale(1.1); }
}

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

@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   5. GLASSMORPHISM
   ========================================================================== */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-glass);
}

.glass-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 48px 40px;
    max-width: 440px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
                0 2px 8px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   6. LAYOUT
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.container-sm {
    max-width: 440px;
    margin: 0 auto;
}

.container-md {
    max-width: 720px;
    margin: 0 auto;
}

.container-lg {
    max-width: 900px;
    margin: 0 auto;
}

/* ==========================================================================
   7. CARDS
   ========================================================================== */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: rgba(209, 213, 219, 0.9);
}

.card-solid {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.minimal-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

/* ==========================================================================
   8. HEADER
   ========================================================================== */
.header {
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    transition: all 0.3s ease;
}

.header:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   9. LOGO
   ========================================================================== */
.logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo-link {
    font-size: 1.5em;
    font-weight: 700;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo-icon-sm {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.logo p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
}

.logo-3d {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15)) 
            drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transform: perspective(800px) rotateX(10deg) rotateY(-5deg);
    transition: transform 0.4s ease, filter 0.4s ease;
}

.logo-3d:hover {
    transform: perspective(800px) rotateX(5deg) rotateY(-2deg) translateY(-5px);
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.2)) 
            drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
}

/* ==========================================================================
   10. BUTTONS
   ========================================================================== */
.btn {
    padding: 11px 22px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-family: inherit;
}

.btn:focus {
    outline: 3px solid rgba(99, 102, 241, 0.4);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(26, 32, 44, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 32, 44, 0.3);
}

.btn-secondary {
    background: rgba(249, 250, 251, 0.8);
    color: #1a202c;
    border: 1px solid rgba(209, 213, 219, 0.6);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(243, 244, 246, 0.9);
    border-color: rgba(156, 163, 175, 0.8);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

.btn-ghost {
    background: var(--ghostBg);
    color: var(--ghostText);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-1px);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.icon-btn {
    padding: 8px 12px;
    border: none;
    background: rgba(249, 250, 251, 0.8);
    cursor: pointer;
    border-radius: 10px;
    color: #1a202c;
    transition: all 0.2s ease;
    font-size: 14px;
    border: 1px solid rgba(229, 231, 235, 0.6);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.icon-btn:hover {
    background: rgba(243, 244, 246, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.icon-btn.danger:hover {
    background: rgba(254, 242, 242, 0.9);
    color: #ef4444;
    border-color: rgba(254, 202, 202, 0.8);
}

.minimal-button {
    background: #111827;
    color: #ffffff;
    border: none;
    transition: all 0.2s ease;
}

.minimal-button:hover {
    background: #1f2937;
    transform: translateY(-1px);
}

/* Google Button */
.google-btn {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(209, 213, 219, 0.6);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: #374151;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.google-btn:hover {
    background: rgba(249, 250, 251, 0.9);
    border-color: rgba(156, 163, 175, 0.8);
    transform: translateY(-1px);
}

/* ==========================================================================
   11. FORMS
   ========================================================================== */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: #334155;
}

input, textarea, select {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(209, 213, 219, 0.6);
    border-radius: 12px;
    color: #1a202c;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
}

input::placeholder, textarea::placeholder {
    color: #94a3b8;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.6);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(209, 213, 219, 0.6);
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
    color: #1a202c;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

button[type="submit"] {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
    box-shadow: 0 4px 12px rgba(26, 32, 44, 0.2);
}

button[type="submit"]:hover:not(:disabled) {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(26, 32, 44, 0.3);
}

button[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Password Toggle */
.password-toggle {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 6px;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.password-toggle-btn:hover {
    color: #1a202c;
}

.password-toggle-btn svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   12. MESSAGES
   ========================================================================== */
.message {
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
    backdrop-filter: blur(10px);
}

.message.success {
    background: rgba(209, 250, 229, 0.9);
    color: #065f46;
    border: 1px solid rgba(167, 243, 208, 0.8);
}

.message.error {
    background: rgba(254, 226, 226, 0.9);
    color: #991b1b;
    border: 1px solid rgba(254, 202, 202, 0.8);
}

.message.info {
    background: rgba(219, 234, 254, 0.9);
    color: #1e3a8a;
    border: 1px solid rgba(191, 219, 254, 0.8);
}

/* ==========================================================================
   13. LOADING & SPINNER
   ========================================================================== */
.loading {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(226, 232, 240, 0.6);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: -2px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(226, 232, 240, 0.6);
    border-top-color: #1a202c;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.loading-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ==========================================================================
   14. GRID
   ========================================================================== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* ==========================================================================
   15. FOOTER
   ========================================================================== */
.footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 400;
}

.footer strong {
    color: #475569;
    font-weight: 600;
}

/* ==========================================================================
   16. LINK TEXT
   ========================================================================== */
.link-text {
    text-align: center;
    margin-top: 28px;
    font-size: 14px;
    color: var(--text-secondary);
}

.link-text a {
    color: #1a202c;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.link-text a:hover {
    color: #4a5568;
}

/* ==========================================================================
   17. EMPTY STATE
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    opacity: 0.5;
}

/* ==========================================================================
   18. SUCCESS ICON
   ========================================================================== */
.success-icon {
    width: 80px;
    height: 80px;
    background-color: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: scaleIn 0.5s ease-out;
}

.success-icon::after {
    content: '✓';
    color: white;
    font-size: 48px;
    font-weight: 700;
}

/* ==========================================================================
   19. ACCESSIBILITY
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #1a202c;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   20. RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .glass-container {
        padding: 36px 28px;
    }
}

/* ==========================================================================
   21. PAGE-SPECIFIC STYLES
   ========================================================================== */

/* --- Index/Landing Page --- */
body.page-index {
    background-color: #ffffff;
    color: #111827;
}

/* --- Auth Pages (Login, Register, Recovery, New Password) --- */
body.page-auth {
    background: var(--gradient-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #1a202c;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* --- Dashboard & Settings --- */
body.page-dashboard {
    background: var(--gradient-bg);
    min-height: 100vh;
    padding: 20px;
    color: #1a202c;
    position: relative;
}

/* --- Simple pages (blocked, desactivar, mantenimiento) --- */
body.page-simple {
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #fafafa;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* --- Form Results --- */
body.page-form-results {
    font-family: system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* --- Subscribe/Success --- */
body.page-subscribe {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f9fafb;
    min-height: 100vh;
    padding: 20px;
    color: #111827;
}

/* ==========================================================================
   22. PRICING & SUBSCRIPTION
   ========================================================================== */
.pricing-info {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.pricing-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: #111827;
}

.price-period {
    font-size: 16px;
    color: #6b7280;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    text-align: left;
}

.features-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
}

/* ==========================================================================
   23. MODAL
   ========================================================================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal {
    background: white;
    border-radius: 16px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

/* ==========================================================================
   24. STATS
   ========================================================================== */
.stats-bar {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.stat-icon {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   25. SECTIONS
   ========================================================================== */
.settings-section {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
}

.content {
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s ease;
}

.content:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   26. DIVIDER
   ========================================================================== */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: #94a3b8;
    font-size: 13px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.divider span {
    padding: 0 16px;
}

/* ==========================================================================
   27. TAGS / PILLS
   ========================================================================== */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    color: #374151;
}

.pill-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.pill-success {
    background: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8em;
    color: white;
}

.tag-ok { background: #4caf50; }
.tag-bad { background: #f44336; }
.tag-blank { background: #9e9e9e; }

/* ==========================================================================
   28. TABLES
   ========================================================================== */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9em;
}

th, td {
    border: 1px solid #e0e0e0;
    padding: 8px;
    text-align: left;
}

th {
    background: #f5f5f5;
}

tr:nth-child(even) td {
    background: #fafafa;
}

/* ==========================================================================
   29. FORM-SPECIFIC STYLES
   ========================================================================== */
.option-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    background: white;
}

.option-label:hover {
    border-color: #9ca3af;
    background: #f9fafb;
}

.option-label input[type="radio"],
.option-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.rating-group {
    display: flex;
    gap: 6px;
    font-size: 28px;
    user-select: none;
}

.rating-group input {
    display: none;
}

.rating-group label {
    cursor: pointer;
    color: #d1d5db;
    transition: color 0.2s;
    margin: 0;
    font-size: 28px;
    line-height: 1;
}

.rating-group label:hover,
.rating-group input:checked ~ label {
    color: #111827;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e5e7eb;
    outline: none;
    cursor: pointer;
    padding: 0;
}

.slider-value {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin-top: 6px;
}

/* ==========================================================================
   30. UTILITY CLASSES
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.hidden { display: none !important; }
.visible { display: block; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }