:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-hover: #222230;
    --accent: #00d4ff;
    --accent-purple: #7b2dff;
    --accent-green: #4ade80;
    --accent-yellow: #facc15;
    --accent-red: #ef4444;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border: #2a2a35;
    --gradient: linear-gradient(135deg, #00d4ff 0%, #7b2dff 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============ Layout ============ */

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

.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 0 24px 30px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon { font-size: 1.8rem; }

.tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Navigation */
.nav { padding: 20px 0; }

.nav-section {
    padding: 0 16px;
    margin-bottom: 24px;
}

.nav-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 4px;
    transition: all 0.2s;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
}

.nav-item-icon { font-size: 1.2rem; }

.nav-item-badge {
    margin-left: auto;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* Main Content */
.main {
    flex: 1;
    margin-left: 280px;
    min-height: 100vh;
}

.page-header {
    padding: 30px 40px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.page-content {
    padding: 40px;
}

/* ============ Components ============ */

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

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

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

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

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-danger {
    background: var(--accent-red);
}

/* Inputs */
.input-group {
    margin-bottom: 16px;
}

.input-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.2s;
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* Search Box */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.search-input {
    flex: 1;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Event Cards */
.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.2s;
}

.event-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.event-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.event-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.event-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.event-actions {
    display: flex;
    gap: 10px;
}

/* Alert Form */
.alert-form {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    animation: slideDown 0.3s ease;
}

.alert-form.active {
    display: block;
}

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

.alert-type-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.alert-type-btn {
    flex: 1;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.alert-type-btn:hover {
    border-color: var(--accent);
}

.alert-type-btn.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.alert-type-btn-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.alert-type-btn-label {
    font-size: 0.8rem;
}

/* Success Message */
.success {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 16px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

.stat-change {
    font-size: 0.8rem;
    color: var(--accent-green);
    margin-top: 8px;
}

/* Alert List */
.alert-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-info h3 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.alert-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.alert-meta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.alert-status {
    font-size: 0.75rem;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.alert-status.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
}

.alert-status.notified {
    background: rgba(74, 222, 128, 0.1);
    color: var(--accent-green);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.pricing-card.popular {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(123, 45, 255, 0.05) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--text-primary);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 5px;
}

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

.pricing-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: "✓";
    color: var(--accent-green);
    font-weight: bold;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 40px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-title .gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.hero-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    cursor: pointer;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* Empty State */
.empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .page-header, .page-content {
        padding: 20px;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .search-box {
        flex-direction: column;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

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