@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --slate-800: #1e293b;
    --slate-600: #475569;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --bg: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.95);
    --border: rgba(226, 232, 240, 0.8);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --radius: 16px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Glassmorphic Navbar */
.glass-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

/* Card styling */
.modern-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

/* Stat Cards */
.stat-card {
    border-radius: var(--radius);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-card:hover {
    transform: translateY(-3px);
}

/* Tab Navigation */
.tab-btn {
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--slate-600);
    border: none;
    background: transparent;
}

.tab-btn.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

/* Modern Inputs & Selects */
.modern-input, .modern-select {
    width: 100%;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--slate-200);
    background-color: #ffffff;
    color: var(--dark);
    font-size: 0.925rem;
    transition: var(--transition);
    outline: none;
}

.modern-input:focus, .modern-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: #ffffff;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: var(--slate-100);
    color: var(--slate-800);
    border: 1px solid var(--slate-200);
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--slate-200);
}

/* Tables */
.custom-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.custom-table th {
    background: var(--slate-100);
    color: var(--slate-600);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--slate-200);
}

.custom-table th:first-child {
    border-top-left-radius: 10px;
}

.custom-table th:last-child {
    border-top-right-radius: 10px;
}

.custom-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--slate-100);
    font-size: 0.9rem;
    color: var(--slate-800);
}

.custom-table tr:hover td {
    background: rgba(241, 245, 249, 0.5);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-primary { background: #e0e7ff; color: #4338ca; }
.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger  { background: #fee2e2; color: #b91c1c; }

/* Toast Notification */
#toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #0f172a;
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateY(150%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

#toast.show {
    transform: translateY(0);
}

/* Mobile & WebApp Responsive Enhancements */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.tab-nav-container {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 640px) {
    .tab-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.825rem;
        white-space: nowrap;
    }
    .custom-table th, .custom-table td {
        padding: 0.6rem 0.75rem;
        font-size: 0.8rem;
    }
}