/* Global Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #007bff;
    --bg-light: #f8f9fa;
    --text-dark: #333;
    --text-muted: #6c757d;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: #1a1a1a;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
}

.glass-card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

/* Navigation */
.navbar-custom {
    background: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: #555 !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
}

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

.table-modern thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
    color: #495057;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem;
}

.table-modern tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f3f5;
    font-size: 0.95rem;
}

.table-modern tbody tr:last-child td {
    border-bottom: none;
}

.table-modern tbody tr:hover {
    background-color: #f8f9fa;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.4rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-primary-custom:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(118, 75, 162, 0.3);
}

/* Info Bar */
.user-info-bar {
    background: #eef2f7;
    border-radius: 12px;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    color: #495057;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    border: 1px solid #e1e4e8;
}

.user-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-info-item i {
    color: var(--primary-color);
}

/* Utilities */
.text-gradient {
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fw-600 {
    font-weight: 600;
}

.fw-700 {
    font-weight: 700;
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .glass-card {
        border-radius: 12px;
        margin-bottom: 1rem;
    }

    .user-info-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .table-modern thead th {
        padding: 0.75rem;
        font-size: 0.75rem;
    }

    .table-modern tbody td {
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .table-responsive-stack tr {
        display: flex;
        flex-direction: column;
        background: white;
        margin-bottom: 1rem;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        padding: 1rem;
    }

    .table-responsive-stack td {
        display: flex;
        justify-content: space-between;
        padding: 0.5rem 0;
        border: none;
        border-bottom: 1px solid #f0f0f0;
    }

    .table-responsive-stack td:last-child {
        border-bottom: none;
    }

    .table-responsive-stack thead {
        display: none;
    }
}