/* Fleet Tech Platform - Main Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0056b3;
    --secondary-color: #17a2b8;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --background-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #333;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #003d82;
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-logout {
    background-color: var(--danger-color);
    color: white;
}

.btn-logout:hover {
    background-color: #c82333;
}

.demo-credentials {
    background-color: #e7f3ff;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.demo-credentials h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.demo-credentials p {
    margin: 5px 0;
    font-size: 13px;
}

.info-box {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.info-box h4 {
    margin-bottom: 10px;
    font-size: 14px;
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    padding: 5px 0;
    font-size: 13px;
}

.footer-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 12px;
}

/* Dashboard Page */
.dashboard-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.navbar-brand h2 {
    font-size: 22px;
}

.navbar-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-item {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s;
}

.nav-item:hover {
    color: white;
}

.user-info {
    font-size: 13px;
}

.dashboard-container {
    display: flex;
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    gap: 20px;
    padding: 20px;
}

.sidebar {
    width: 240px;
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 80px;
}

.sidebar-header {
    margin-bottom: 20px;
}

.sidebar-header h3 {
    font-size: 16px;
    color: var(--primary-color);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-btn {
    text-align: left;
    background-color: #f9f9f9;
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.sidebar-btn:hover {
    background-color: #e7f3ff;
    border-color: var(--primary-color);
}

.sidebar-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.main-content {
    flex: 1;
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content-section h1 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.content-section h2 {
    margin-bottom: 15px;
    color: var(--text-color);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.stat-card h3 {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    opacity: 0.8;
}

/* Alerts Section */
.alerts-section {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 20px;
}

.alerts-section h2 {
    color: #856404;
    margin-bottom: 15px;
}

.alert-item {
    background-color: white;
    padding: 12px;
    border-left: 4px solid #dc3545;
    margin-bottom: 10px;
    border-radius: 4px;
}

.alert-item strong {
    color: #dc3545;
}

/* Grid Container */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.vessel-card,
.crew-card {
    background-color: #f9f9f9;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
}

.vessel-card:hover,
.crew-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.vessel-card h3,
.crew-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.vessel-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.vessel-card-header h3 {
    margin: 0;
}

.fuel-bar {
    width: 100%;
    height: 20px;
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    margin: 10px 0;
    border: 1px solid #dee2e6;
}

.fuel-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 0.3s ease;
    min-width: 2px;
}

.vessel-info,
.crew-info {
    font-size: 13px;
    line-height: 1.6;
}

.vessel-info p,
.crew-info p {
    margin: 5px 0;
}

.label {
    font-weight: 600;
    color: #666;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 10px;
}

.status-active {
    background-color: #d4edda;
    color: #155724;
}

.status-docked {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-scheduled {
    background-color: #cfe2ff;
    color: #084298;
}

.status-danger {
    background-color: #f8d7da;
    color: #721c24;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

thead {
    background-color: #f9f9f9;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

th {
    font-weight: 600;
    color: var(--primary-color);
}

tr:hover {
    background-color: #f9f9f9;
}

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.analytics-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 8px;
}

.analytics-card h3 {
    font-size: 14px;
    opacity: 0.95;
    margin-bottom: 15px;
}

.analytics-card p {
    font-size: 14px;
    margin-bottom: 10px;
}

.analytics-card strong {
    font-size: 20px;
}

.metric-subtitle {
    opacity: 0.8;
    font-size: 12px !important;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.kpi-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.kpi-label {
    font-size: 12px;
    color: #666;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: static;
    }
    
    .navbar-menu {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 20px;
        max-width: 100%;
        margin: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 8px;
    }
}