/* SmartForm Design System */

:root {
    --bg-dark: #0A0B0F;
    --bg-card: #12141A;
    --bg-card-hover: #1A1C24;
    --primary: #6C5DD3;
    --primary-hover: #7B6EE0;
    --primary-glow: rgba(108, 93, 211, 0.4);
    --accent: #00D4AA;
    --accent-hover: #00E8BC;
    --accent-glow: rgba(0, 212, 170, 0.3);
    --text-primary: #FFFFFF;
    --text-secondary: #A0A4B8;
    --text-muted: #6B7280;
    --border: #2A2D38;
    --border-hover: #3D4251;
    --error: #EF4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --success: #10B981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.1);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-accent {
    background: var(--accent);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-accent:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.2s;
}

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

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

.form-input.error {
    border-color: var(--error);
}

.form-error {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.password-wrapper {
    position: relative;
}

.password-wrapper .form-input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.password-toggle:hover {
    color: var(--text-primary);
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.alert-error {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-brand {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand i {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 4rem 0;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-glow), var(--accent-glow));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.pricing-card {
    padding: 2rem;
    text-align: center;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-desc {
    color: var(--text-secondary);
    margin: 1rem 0;
}

.pricing-features {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--accent);
    margin-right: 0.5rem;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.toggle-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.toggle-label.active {
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
    background: var(--border);
    border-radius: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.toggle-switch.active {
    background: var(--primary);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}

.toggle-switch.active::after {
    transform: translateX(28px);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.badge-accent {
    background: var(--accent);
    color: var(--bg-dark);
}

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

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--primary);
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Table */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

.table tr:hover {
    background: var(--bg-card-hover);
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Badges Section */
.badges-section {
    padding: 3rem 0;
    text-align: center;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.badges-title {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.badges-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    padding: 0 1rem;
}

.badges-row img {
    height: auto;
    max-height: 40px;
    filter: brightness(1);
    transition: filter 0.2s;
}

.badges-row a:hover img {
    filter: brightness(1.1);
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-secondary);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
}

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

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.dashboard-title {
    font-size: 1.75rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Form Builder */
.builder-container {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 1.5rem;
    min-height: calc(100vh - 200px);
}

.builder-sidebar {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1rem;
}

.builder-canvas {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    min-height: 500px;
}

.builder-properties {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1rem;
}

.field-palette {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.field-item {
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
    font-size: 0.8rem;
    cursor: grab;
    transition: all 0.2s;
}

.field-item:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.field-item i {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

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

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 11, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.loading-overlay .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* Responsive */
@media (max-width: 1024px) {
    .builder-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .auth-container {
        padding: 1rem;
    }
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 1rem;
        display: none;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    z-index: 100;
    padding: 1rem;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
}

.mobile-menu-links a {
    color: var(--text-primary);
    font-size: 1.25rem;
    padding: 0.5rem 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* Heatmap */
.heatmap-container {
    margin-top: 1rem;
}

.heatmap-row {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.heatmap-label {
    width: 150px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.heatmap-bar-container {
    flex: 1;
    height: 24px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
}

.heatmap-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--warning), var(--error));
    border-radius: 4px;
    transition: width 0.3s;
}

.heatmap-value {
    width: 60px;
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-muted);
}