/* Enterprise-grade Secure Access Gateway Styles */

:root {
    --primary-color: #005a9e;
    --secondary-color: #f8f9fa;
    --accent-color: #007bff;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --text-color: #333;
    --bg-color: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15);
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--bg-color);
    min-height: calc(100vh - 60px);
    box-shadow: var(--shadow);
}

.nav {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d73 100%);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
}

.nav-links {
    display: flex;
    gap: 10px;
}

.nav a, .nav button {
    color: #ffffff;
    text-decoration: none;
    margin: 0 15px;
    padding: 10px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
}

.nav a:hover, .nav button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav button {
    background: var(--danger-color);
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.nav button:hover {
    background: #c82333;
}

.login-form {
    max-width: 450px;
    margin: 80px auto;
    background: var(--bg-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
}

.login-form h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 700;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
}

input, select {
    width: 100%;
    padding: 12px 16px;
    box-sizing: border-box;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #ffffff;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #0056b3 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.widget {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.widget:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.widget h2 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.widget p {
    font-size: 16px;
    color: #666;
    margin: 10px 0;
}

.output {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-top: 30px;
    border: 1px solid var(--border-color);
}

.output h2 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 600;
}

pre {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-color);
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 20px;
}

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

th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d73 100%);
    color: white;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

ul {
    list-style: none;
    padding: 0;
}

ul li {
    background: var(--bg-color);
    margin: 10px 0;
    padding: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

ul li:hover {
    transform: translateX(5px);
}

ul li a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

ul li a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 10px;
    }

    .nav-brand {
        font-size: 18px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav a, .nav button {
        margin: 5px;
    }

    .container {
        padding: 15px;
    }

    .login-form {
        margin: 40px auto;
        padding: 30px 20px;
    }

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

    .widget {
        padding: 20px;
    }

    th, td {
        padding: 10px 8px;
        font-size: 14px;
    }
}

/* Loading states and animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.container, .widget, .output {
    animation: fadeIn 0.5s ease-out;
}

/* Status indicators */
.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-online {
    background-color: var(--success-color);
}

.status-offline {
    background-color: var(--danger-color);
}

.status-warning {
    background-color: var(--warning-color);
}