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

:root {
    --primary-color: #10b981; /* Emerald green */
    --secondary-color: #059669; /* Darker green */
    --accent-color: #34d399; /* Light green */
    --bg-color: #f0fdf4; /* Very light green background */
    --card-bg: rgba(255, 255, 255, 0.85); /* Light glass */
    --text-primary: #064e3b; /* Dark emerald text */
    --text-secondary: #047857; /* Medium emerald text */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.15) 0, transparent 50%), 
        radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.15) 0, transparent 50%);
    background-attachment: fixed;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #059669, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-brand img {
    height: 40px;
    filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.3));
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    transition: 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* Header Area */
.page-header {
    text-align: center;
    padding: 4rem 2rem 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 1);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.15);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: stretch; /* Prevents uneven stretching */
}

/* Stat Widgets */
.stat-widget {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.stat-content h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.stat-content .value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Layout for charts or complex sections */
.section-title {
    padding: 1rem 5% 0;
    font-size: 1.5rem;
    color: var(--text-primary);
    max-width: 1400px;
    margin: 0 auto;
    font-weight: 700;
}

.complex-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    padding: 1.5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start; /* Prevents vertical stretching making it look bad */
}

@media (max-width: 900px) {
    .complex-grid {
        grid-template-columns: 1fr;
    }
}

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

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

.glass-table th, .glass-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}

.glass-table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    background: rgba(16, 185, 129, 0.05);
}

.glass-table tr:hover {
    background: rgba(16, 185, 129, 0.05);
}

/* Progress bar inside table */
.progress-container {
    width: 100%;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 6px;
    height: 10px;
    margin-top: 5px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

/* Admin Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: inline-block;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #047857; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #b45309; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #b91c1c; }

/* Admin Override */
.admin-sidebar {
    background: #ffffff !important;
    border-right: 1px solid rgba(16, 185, 129, 0.2) !important;
    box-shadow: 5px 0 15px rgba(0,0,0,0.02);
}

.sidebar-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
}

.sidebar-link:hover, .sidebar-link.active {
    background: rgba(16, 185, 129, 0.1) !important;
    color: var(--primary-color) !important;
    border-left: 3px solid var(--primary-color) !important;
}

.nav-links span {
    color: var(--text-secondary) !important;
    font-weight: 600;
}

/* ==========================================
   MOBILE & TABLET RESPONSIVE (ANDROID SUPPORT)
   ========================================== */
@media screen and (max-width: 768px) {
    /* Navbar */
    .navbar {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        text-align: center;
    }
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    .nav-links a {
        margin-left: 0;
    }
    .nav-links span {
        display: none; /* Hide welcome text on very small screens to save space */
    }

    /* Page Header */
    .page-header {
        padding: 2rem 1rem 1rem;
    }
    .page-header h1 {
        font-size: 1.8rem;
    }

    /* Grids */
    .dashboard-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    .complex-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    /* Admin Sidebar Layout */
    .admin-container {
        flex-direction: column;
        min-height: auto;
    }
    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(16, 185, 129, 0.2);
        padding: 1rem 0;
    }
    .admin-content {
        padding: 1rem;
    }
    .sidebar-link {
        padding: 0.75rem 1rem;
    }

    /* Form Grids */
    form[action] div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    /* Adjust Card Paddings */
    .glass-card {
        padding: 1rem;
    }

    /* Tables */
    .table-responsive {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}