/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Calendar Enhancements */
.calendar-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-input.small {
    padding: 8px 10px;
    font-size: 13px;
    height: 36px;
}

.btn-secondary.small {
    padding: 8px 12px;
    font-size: 13px;
    height: 36px;
}

.calendar-container {
    margin-top: 10px;
}

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

.calendar-day {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    min-height: 90px;
    padding: 8px;
    transition: var(--transition);
}

.calendar-day:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow);
}

.calendar-day.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99,102,241,0.25);
}

.calendar-day-number {
    font-weight: 700;
    color: var(--text-secondary);
}

.calendar-day-pnl {
    position: absolute;
    bottom: 8px;
    right: 8px;
    font-weight: 700;
    font-size: 13px;
}

/* Heatmap levels for profit days */
.heat-positive-1 { background: linear-gradient(180deg, rgba(16,185,129,0.10), rgba(16,185,129,0.08)); }
.heat-positive-2 { background: linear-gradient(180deg, rgba(16,185,129,0.16), rgba(16,185,129,0.12)); }
.heat-positive-3 { background: linear-gradient(180deg, rgba(16,185,129,0.22), rgba(16,185,129,0.16)); }
.heat-positive-4 { background: linear-gradient(180deg, rgba(16,185,129,0.30), rgba(16,185,129,0.22)); }
.heat-positive-5 { background: linear-gradient(180deg, rgba(16,185,129,0.38), rgba(16,185,129,0.28)); }

/* Heatmap levels for loss days */
.heat-negative-1 { background: linear-gradient(180deg, rgba(239,68,68,0.10), rgba(239,68,68,0.08)); }
.heat-negative-2 { background: linear-gradient(180deg, rgba(239,68,68,0.16), rgba(239,68,68,0.12)); }
.heat-negative-3 { background: linear-gradient(180deg, rgba(239,68,68,0.22), rgba(239,68,68,0.16)); }
.heat-negative-4 { background: linear-gradient(180deg, rgba(239,68,68,0.30), rgba(239,68,68,0.22)); }
.heat-negative-5 { background: linear-gradient(180deg, rgba(239,68,68,0.38), rgba(239,68,68,0.28)); }

/* Day headers in grid */
.calendar-grid > div:nth-child(-n+7) {
    background: transparent !important;
    border: none;
    min-height: auto;
    padding: 6px 0;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.06em;
}

@media (max-width: 768px) {
    .calendar-day { min-height: 72px; }
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page Styles */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 60px var(--shadow);
    animation: fadeIn 0.6s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    justify-content: center;
}

.logo h1 {
    font-size: 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    text-align: center;
    margin-bottom: 40px;
}

.hero-text h2 {
    font-size: 32px;
    margin-bottom: 15px;
    line-height: 1.3;
}

.highlight {
    color: var(--primary);
    font-weight: bold;
}

.hero-text p {
    color: var(--text-secondary);
    font-size: 16px;
}

.login-form {
    margin-top: 30px;
}

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

.input-group input {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-primary);
}

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

.btn-primary, .btn-secondary, .btn-danger, .btn-logout {
    width: 100%;
    padding: 15px 25px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color);
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.divider span {
    background: var(--bg-secondary);
    padding: 0 15px;
    color: var(--text-secondary);
}

.footer-text {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

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

.features-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    text-align: center;
}

.feature-item svg {
    color: var(--primary);
}

.feature-item span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Dashboard Styles */
.dashboard-body {
    display: flex;
    background: var(--bg-primary);
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: fixed;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 25px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    margin: 2px 10px;
    border-radius: 8px;
}

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

.nav-item.active {
    background: var(--primary);
    color: white;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px;
    font-size: 14px;
}

.btn-logout:hover {
    background: var(--bg-tertiary);
    border-color: var(--danger);
    color: var(--danger);
}

.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
    min-height: 100vh;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h1 {
    font-size: 32px;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.select-input, .filter-select {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
}

.search-input {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    width: 250px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    gap: 20px;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.stat-icon.blue { background: rgba(99, 102, 241, 0.2); color: var(--primary); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
.stat-icon.orange { background: rgba(245, 158, 11, 0.2); color: var(--warning); }

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-change {
    font-size: 13px;
    color: var(--text-secondary);
}

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

.stat-change.negative {
    color: var(--danger);
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
}

.chart-header {
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 18px;
}

.chart-container {
    position: relative;
    height: 300px;
}

/* Tables */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
}

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

.trades-table thead {
    background: var(--bg-tertiary);
}

.trades-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
}

.trades-table td {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

.trades-table tbody tr {
    transition: var(--transition);
}

.trades-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.empty-state {
    text-align: center;
    padding: 40px !important;
    color: var(--text-secondary);
}

.pnl-positive {
    color: var(--success);
    font-weight: 600;
}

.pnl-negative {
    color: var(--danger);
    font-weight: 600;
}

.trade-type-long {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.trade-type-short {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.recent-trades-card, .card-header {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    border: none;
    border-radius: 0;
}

.link-text {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.link-text:hover {
    text-decoration: underline;
}

/* Forms */
.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 15px;
}

.form-actions button {
    flex: 1;
}

/* Calendar */
.calendar-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    padding: 10px;
}

.calendar-day:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px var(--shadow);
}

.calendar-day.profit {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--success);
}

.calendar-day.loss {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
}

.calendar-day-number {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.calendar-day-pnl {
    font-size: 11px;
    font-weight: 600;
}

.month-label {
    font-size: 18px;
    font-weight: 600;
}

.btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
}

.calendar-legend {
    display: flex;
    gap: 25px;
    justify-content: center;
    padding: 20px;
}

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

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.profit { background: var(--success); }
.legend-dot.loss { background: var(--danger); }
.legend-dot.neutral { background: var(--text-secondary); }

/* Analytics */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.analytics-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
}

.analytics-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.metrics-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.metric-row span {
    color: var(--text-secondary);
    font-size: 14px;
}

.metric-row strong {
    font-size: 16px;
    color: var(--text-primary);
}

/* Settings */
.settings-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
}

.settings-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.settings-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.settings-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.settings-actions button {
    flex: 1;
    min-width: 150px;
}

/* Filters */
.filters-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .settings-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar-header h2,
    .nav-item span {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .login-box {
        padding: 30px;
    }
    
    .features-preview {
        grid-template-columns: 1fr;
    }
}

/* Action Buttons in Tables */
.action-btn {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
    margin-right: 5px;
    transition: var(--transition);
}

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

.action-btn.delete {
    color: var(--danger);
}

.action-btn.delete:hover {
    background: var(--danger);
    color: white;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px 20px;
    box-shadow: 0 10px 30px var(--shadow);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
    }
    to {
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* Landing Page Styles */
.landing-page {
    background: var(--bg-primary);
    overflow-x: hidden;
}

.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.logo-landing {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-primary-small {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.hero-section {
    padding: 120px 60px 80px;
    text-align: center;
    background: 
        radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    margin-bottom: 50px;
}

.btn-hero {
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.cta-note {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
}

.stat-item-landing {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

.features-section {
    padding: 100px 60px;
    background: var(--bg-secondary);
}

.section-header-landing {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-landing h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-header-landing p {
    font-size: 18px;
    color: var(--text-secondary);
}

.features-grid-landing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card-landing {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 35px;
    transition: var(--transition);
}

.feature-card-landing:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary);
}

.feature-icon {
    width: 65px;
    height: 65px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-card-landing h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card-landing p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.metrics-section {
    padding: 100px 60px;
    background: var(--bg-primary);
}

.metrics-showcase {
    max-width: 800px;
    margin: 0 auto;
}

.metrics-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.metric-showcase-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-primary);
    transition: var(--transition);
}

.metric-showcase-item:hover {
    border-color: var(--success);
    transform: translateX(5px);
}

.cta-section {
    padding: 100px 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 35px;
}

.landing-footer {
    padding: 60px 60px 40px;
    background: var(--bg-primary);
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Calculator Card */
.calculator-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border: 1px solid var(--primary);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
}

.calculator-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.calc-input label,
.calc-result label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.calc-input input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.calc-result {
    display: flex;
    flex-direction: column;
}

.calc-output {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

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

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* File Input */
.file-input {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.file-input:hover {
    border-color: var(--primary);
    background: var(--bg-secondary);
}

.file-input::file-selector-button {
    padding: 8px 16px;
    background: var(--primary);
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    margin-right: 12px;
}

/* Responsive Landing Page */
@media (max-width: 1024px) {
    .features-grid-landing {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calculator-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .landing-nav {
        padding: 15px 20px;
    }
    
    .hero-section {
        padding: 100px 20px 60px;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .features-section {
        padding: 60px 20px;
    }
    
    .features-grid-landing {
        grid-template-columns: 1fr;
    }
    
    .metrics-section {
        padding: 60px 20px;
    }
    
    .metrics-list {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 60px 20px;
    }
    
    .cta-content h2 {
        font-size: 32px;
    }
    
    .section-header-landing h2 {
        font-size: 32px;
    }
}