/* Modern Dark Theme Dashboard */

:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e2139;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-pink: #ec4899;
    --accent-red: #ef4444;
    --accent-cyan: #06b6d4;
    --accent-yellow: #eab308;
    --border-color: #27272a;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand i {
    color: var(--accent-purple);
    font-size: 1.75rem;
}

.nav-time {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section Titles */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--accent-blue);
}

/* Stats Grid */
.stats-section {
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.2); color: var(--accent-purple); }
.stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.2); color: var(--accent-orange); }
.stat-icon.pink { background: rgba(236, 72, 153, 0.2); color: var(--accent-pink); }
.stat-icon.red { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }
.stat-icon.cyan { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.stat-icon.yellow { background: rgba(234, 179, 8, 0.2); color: var(--accent-yellow); }

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Charts */
.charts-section {
    margin-bottom: 2rem;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

#activityChart {
    max-height: 300px;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Leaderboard */
.leaderboard {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.leaderboard-item:hover {
    background: var(--bg-secondary);
    transform: translateX(4px);
}

.rank {
    font-size: 1.25rem;
    font-weight: 700;
    min-width: 2.5rem;
    height: 2.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-purple);
    color: white;
}

.rank.gold { background: linear-gradient(135deg, #ffd700, #ffed4e); color: var(--bg-primary); }
.rank.silver { background: linear-gradient(135deg, #c0c0c0, #e8e8e8); color: var(--bg-primary); }
.rank.bronze { background: linear-gradient(135deg, #cd7f32, #e6a961); color: var(--bg-primary); }

.user-info {
    flex: 1;
}

.user-id {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.user-points {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.points-badge {
    background: var(--accent-purple);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Birthdays */
.birthdays-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.birthday-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.birthday-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.birthday-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.birthday-details {
    font-weight: 600;
    color: var(--text-primary);
}

.birthday-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.days-until {
    background: var(--accent-pink);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Logs Section */
.logs-section {
    margin-bottom: 2rem;
}

.logs-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

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

.logs-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.logs-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.action-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.action-badge.warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-orange);
}

.action-badge.danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

/* Reminders */
.reminders-section {
    margin-bottom: 2rem;
}

.reminders-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.reminder-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.reminder-item:hover {
    background: var(--bg-secondary);
}

.reminder-content {
    flex: 1;
}

.reminder-message {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.reminder-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.reminder-time {
    background: var(--accent-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 4rem;
}

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

.stat-card, .card, .leaderboard-item, .birthday-item, .reminder-item {
    animation: fadeIn 0.5s ease forwards;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .logs-container {
        overflow-x: auto;
    }

    .logs-table {
        min-width: 600px;
    }

    .calendar-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Birthday Calendar */
.calendar-section {
    margin-bottom: 2rem;
}

.calendar-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.calendar-month {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.calendar-month.has-birthdays {
    border-color: var(--accent-pink);
}

.calendar-month.has-birthdays:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(236, 72, 153, 0.2);
}

.month-header {
    background: var(--bg-card);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.calendar-month.has-birthdays .month-header {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
}

.month-header i {
    color: var(--accent-pink);
    font-size: 1.1rem;
}

.calendar-month.has-birthdays .month-header i {
    color: white;
}

.month-header span {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.calendar-month.has-birthdays .month-header span {
    color: white;
}

.birthday-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.65rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
}

.month-birthdays {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 80px;
}

.no-birthdays {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}

.calendar-birthday-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.calendar-birthday-item:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-pink);
    transform: translateX(4px);
}

.birthday-day {
    min-width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--accent-pink);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.birthday-username {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    word-break: break-word;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}