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

:root {
    --primary-color: #EC7000;
    --secondary-color: #003366;
    --success-color: #4CAF50;
    --error-color: #d32f2f;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-radius: 8px;
    --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(--bg-color);
    line-height: 1.6;
}

/* Login Page */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-header {
    text-align: center;
    color: var(--white);
    margin-bottom: 30px;
}

.logo {
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
}

.subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.error-message {
    background: #ffebee;
    color: var(--error-color);
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

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

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #d66300;
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.link {
    color: var(--primary-color);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 10px;
    color: #ccc;
}

.demo-credentials {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
    font-size: 13px;
    text-align: center;
}

.demo-credentials code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
}

/* Navbar */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    gap: 25px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s;
}

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

.nav-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-logout {
    background: var(--secondary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
}

.btn-logout:hover {
    background: #004080;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 32px;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.timestamp {
    font-size: 14px;
    color: #666;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.metric-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s;
}

.metric-card:hover {
    transform: translateY(-5px);
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-color);
}

.metric-content p {
    font-size: 14px;
    color: #666;
}

/* Projects Section */
.projects-section {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.projects-section h2 {
    font-size: 24px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.table-container {
    overflow-x: auto;
}

.projects-table {
    width: 100%;
    border-collapse: collapse;
}

.projects-table thead {
    background: var(--bg-color);
}

.projects-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--secondary-color);
}

.projects-table td {
    padding: 15px;
    border-top: 1px solid #eee;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: #e8f5e9;
    color: var(--success-color);
}

.status-stopped {
    background: #ffebee;
    color: var(--error-color);
}

.btn-action {
    padding: 6px 16px;
    margin-right: 8px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-action:hover {
    background: #d66300;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }
}