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

:root {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --secondary: #a78bfa;
    --accent: #c4b5fd;
    --bg-dark: #1a0a2e;
    --bg-card: #231042;
    --bg-card-hover: #2d1654;
    --text-primary: #e2d9f3;
    --text-secondary: #a78bfa;
    --success: #4ade80;
    --warning: #fbbf24;
    --error: #f87171;
    --border: rgba(124, 58, 237, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    color: #FF0000;
}

nav {
    background: rgba(26, 10, 46, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 102;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all 0.3s;
}


.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-pro {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.hero {
    text-align: center;
    padding: 80px 0;
    background: radial-gradient(ellipse at center top, rgba(37, 99, 235, 0.1) 0%, transparent 60%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.tagline {
    display: inline-block;
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 60px 0;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
}

.platforms-section {
    text-align: center;
    padding: 60px 0;
}

.platforms-section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
}

.platform-icons {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.platform-icon {
    width: 80px;
    height: 80px;
    background: rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 1px solid var(--primary);
    transition: all 0.3s;
}

.platform-icon:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.pricing {
    padding: 80px 0;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 48px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--border);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.06) 0%, var(--bg-card) 100%);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin: 16px 0;
}

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

.pricing-card ul {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.pricing-card li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-card li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    max-width: 450px;
    width: 90%;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.modal h2 {
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 16px;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 8px;
}

.success-message {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 8px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(37, 99, 235, 0.03);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.06);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.upload-area h3 {
    margin-bottom: 8px;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard-header h1 {
    font-size: 2rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.tier-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tier-badge.free {
    background: var(--bg-card-hover);
    color: var(--text-secondary);
}

.tier-badge.pro {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.schedule-form {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 32px;
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.schedule-form h2 {
    margin-bottom: 24px;
}

.platform-select {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.platform-checkbox {
    display: none;
}

.platform-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.platform-checkbox:checked + .platform-label {
    background: var(--primary);
    border-color: var(--primary);
}

.platform-label:hover {
    border-color: var(--primary);
}

.datetime-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .datetime-row {
        grid-template-columns: 1fr;
    }
}

.consent-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--bg-dark);
    border-radius: 12px;
    margin: 24px 0;
}

.consent-box input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.consent-box label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.post-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.post-card:hover {
    box-shadow: var(--shadow);
}

.post-media {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-secondary);
}

.post-content {
    padding: 20px;
}

.post-platform {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--bg-dark);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 12px;
    text-transform: capitalize;
}

.post-caption {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.post-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.post-status.scheduled {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
}

.post-status.posted {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.post-status.failed {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.post-status.posting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.post-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.post-actions button {
    flex: 1;
}

.calendar-view {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 32px;
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.calendar-nav {
    display: flex;
    gap: 12px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day-header {
    text-align: center;
    padding: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.calendar-day:hover {
    background: var(--bg-card-hover);
}

.calendar-day.today {
    border: 2px solid var(--primary);
}

.calendar-day.has-posts {
    background: rgba(99, 102, 241, 0.2);
}

.calendar-day .post-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    margin-top: 4px;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(240, 247, 255, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    flex-direction: column;
    gap: 24px;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

footer {
    background: #120826;
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h4 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.legal-page {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 32px;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px;
    color: var(--primary);
}

.legal-page p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.legal-page ul {
    color: var(--text-secondary);
    margin-left: 24px;
    margin-bottom: 16px;
}

.legal-page li {
    margin-bottom: 8px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--success);
}

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

@media (max-width: 768px) {
    .hero {
        padding: 48px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
        padding: 0 8px;
    }

    nav .container {
        position: relative;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(26, 10, 46, 0.98);
        backdrop-filter: blur(10px);
        padding: 16px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        border-radius: 0 0 16px 16px;
        z-index: 101;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a,
    .nav-links .btn-sm {
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        display: block;
        width: 100%;
        text-align: left;
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links #auth-nav,
    .nav-links #user-nav {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    
    .nav-links #auth-nav a,
    .nav-links #user-nav a {
        padding: 12px 0;
    }
    
    .calendar-grid {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .hamburger {
        display: flex;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .user-info {
        flex-wrap: wrap;
    }
    
    .features {
        grid-template-columns: 1fr;
        padding: 32px 0;
    }
    
    .feature-card {
        padding: 24px;
    }
    
    .platforms-section {
        padding: 32px 0;
    }
    
    .platforms-section h2 {
        font-size: 1.5rem;
    }
    
    .platform-icons {
        gap: 16px;
    }
    
    .platform-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .pricing {
        padding: 40px 0;
    }
    
    .pricing h2 {
        font-size: 1.75rem;
        margin-bottom: 32px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-card {
        padding: 28px;
    }
    
    .pricing-card .price {
        font-size: 2.5rem;
    }
    
    .schedule-form {
        padding: 20px;
        border-radius: 16px;
    }
    
    .upload-area {
        padding: 32px 16px;
    }
    
    .upload-area h3 {
        font-size: 1rem;
    }
    
    .platform-select {
        gap: 8px;
    }
    
    .platform-label {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .calendar-view {
        padding: 20px;
        border-radius: 16px;
    }
    
    .calendar-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .post-actions {
        flex-direction: column;
    }
    
    .post-actions button {
        width: 100%;
    }
    
    footer {
        margin-top: 40px;
        padding: 32px 0 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .modal {
        padding: 24px;
        margin: 16px;
        border-radius: 16px;
    }
    
    .legal-page {
        padding: 32px 0;
    }
    
    .legal-page h1 {
        font-size: 1.75rem;
    }
    
    .legal-page h2 {
        font-size: 1.25rem;
    }
    
    .toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .consent-box {
        padding: 12px;
    }
    
    .consent-box label {
        font-size: 0.8rem;
    }
    
    .file-preview {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .file-preview img,
    .file-preview video {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.65rem;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .tagline {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .dashboard-header h1 {
        font-size: 1.5rem;
    }
    
    .schedule-form h2,
    .calendar-view h2 {
        font-size: 1.25rem;
    }
    
    .platform-label {
        padding: 8px 12px;
        font-size: 0.8rem;
        gap: 4px;
    }
    
    .logo {
        font-size: 1.25rem;
    }
}

.file-preview {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.file-preview img,
.file-preview video {
    max-width: 120px;
    max-height: 80px;
    border-radius: 8px;
    object-fit: cover;
}

.file-preview .file-info {
    flex: 1;
}

.file-preview .remove-file {
    color: var(--error);
    cursor: pointer;
    font-size: 1.5rem;
}