:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-sidebar: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --success: #10b981;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Gradients */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    flex: 1;
    padding: 0 1rem;
    list-style: none;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    border-left: 3px solid var(--primary);
    color: var(--primary);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
}

/* Components */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
}

.stat-trend {
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.trend-up {
    color: var(--success);
}

.trend-down {
    color: var(--danger);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* Bot Highlighting */
.row-bot {
    background-color: rgba(239, 68, 68, 0.05) !important;
}

.row-bot:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

input,
select,
textarea {
    width: 100%;
    background: #1e293b;
    /* Solid dark color for better dropdown support */
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: white;
    outline: none;
    transition: all 0.2s ease;
}

/* Ensure dropdown options have dark background */
select option {
    background-color: #0f172a;
    color: white;
    padding: 10px;
}

/* Specific styling for Date Input Calendar Popups (Chrome/Edge/Safari) */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    /* Makes the calendar icon white */
    cursor: pointer;
}

input:focus,
select:focus {
    border-color: var(--primary);
    background: #1e293b;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade {
    animation: fadeIn 0.4s ease forwards;
}

/* --- COMPREHENSIVE MOBILE ENGINE --- */

@media (max-width: 1024px) {
    .main-content {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {

    /* Base Mobile Setup */
    body {
        overflow-x: hidden;
        width: 100vw;
    }

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

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 280px;
        transform: translateX(-100%);
        z-index: 2000;
        transition: transform 0.3s ease;
        box-shadow: 20px 0 50px rgba(0, 0, 0, 0.5);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
        padding: 1rem;
        padding-top: 5rem;
        width: 100%;
    }

    /* Fixed Mobile Header */
    .mobile-header {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 4rem;
        background: var(--bg-sidebar);
        padding: 0 1.25rem;
        align-items: center;
        justify-content: space-between;
        z-index: 1500;
        border-bottom: 1px solid var(--border);
    }

    /* Target Specific Grids & Sections */
    .stats-grid,
    .content-grid,
    .top-section,
    .dashboard-row {
        grid-template-columns: 1fr !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 1.25rem;
    }

    /* Target specific inline styles often found in dashboard/stats */
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    /* Section Headers */
    header:not(.sidebar-header):not(.mobile-header) {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1.25rem;
        margin-bottom: 2rem;
    }

    header>div {
        width: 100% !important;
    }

    /* Forms & Inputs */
    .user-profile {
        width: fit-content !important;
        margin-top: 0.5rem;
    }

    .search-wrapper,
    .range-select,
    [style*="width: 300px"],
    [style*="width: 400px"] {
        width: 100% !important;
    }

    .btn {
        width: 100%;
        height: 48px;
    }

    /* Tables */
    .table-container {
        margin: 0 -1rem;
        padding: 0 1rem;
        width: calc(100% + 2rem);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table,
    .precise-table {
        min-width: 900px;
    }

    /* Modals */
    .modal-content {
        width: 95% !important;
        margin: 1rem auto !important;
        max-height: 85vh;
        overflow-y: auto;
    }

    .rule-row {
        flex-direction: column !important;
        padding: 1rem !important;
        border-bottom: 1px solid var(--border);
    }

    .rule-row td {
        display: block !important;
        width: 100% !important;
        padding: 0.5rem 0 !important;
        border: none !important;
    }

    /* Typography */
    .page-title {
        font-size: 1.25rem;
    }

    .stat-value {
        font-size: 1.75rem;
    }
}

/* Sidebar Helper Styles */
.mobile-header {
    display: none;
}

.menu-toggle {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1800;
}

.sidebar-overlay.active {
    display: block;
}