/* Shared styles across all pages */
:root {
    --primary-bg: #0a2351;
    --secondary-bg: #2c4c7c;
    --accent-color: #64b5f6;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
    padding-bottom: 70px;
    overflow-y: auto;
}

/* Container */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.logo h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: 24px;
}

/* Cards/Sections */
.card {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin: 0 0 20px 0;
    color: var(--accent-color);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 14px;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(100, 181, 246, 0.2);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Buttons */
.btn {
    background-color: #1976d2;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background-color: #1565c0;
    transform: translateY(-1px);
}

.btn-primary {
    background-color: #1976d2;
}

.btn-danger {
    background-color: #d32f2f;
}

.btn-danger:hover {
    background-color: #b71c1c;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--accent-color);
    font-weight: 500;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--secondary-bg);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 12px;
    transition: color 0.3s;
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 4px;
}

.nav-item.active {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container {
        padding: 15px;
    }
    
    .card {
        padding: 15px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}