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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

/* Navbar */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.4em;
    font-weight: bold;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: white;
}

.btn-login, .btn-logout {
    padding: 8px 16px;
    border-radius: 4px;
    background: #3498db;
}

.btn-logout {
    background: #e74c3c;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

.welcome-box, .cta-box {
    margin-top: 30px;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1em;
    transition: background 0.3s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-block {
    width: 100%;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.feature-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.feature-card h3 {
    margin-bottom: 10px;
    color: #2c3e50;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
}

.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fee;
    color: #c00;
    border: 1px solid #fcc;
}

.login-help {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 0.9em;
    color: #666;
}

.login-help code {
    background: #f0f0f0;
    padding: 2px 6px;
    border-radius: 3px;
}

/* Dashboard */
.dashboard {
    padding: 20px 0;
}

.dashboard h1 {
    margin-bottom: 20px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.role-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
}

.role-admin {
    background: #e74c3c;
    color: white;
}

.role-user {
    background: #3498db;
    color: white;
}

.role-guest {
    background: #95a5a6;
    color: white;
}

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

.dashboard-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.dashboard-card h3 {
    margin-bottom: 10px;
    color: #7f8c8d;
    font-size: 0.9em;
}

.session-debug {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 20px;
    border-radius: 10px;
}

.session-debug code {
    background: #fff;
    padding: 2px 6px;
    border-radius: 3px;
}

/* Profile */
.profile-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    color: white;
    font-weight: bold;
}

.profile-details {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.profile-details td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.profile-details td:first-child {
    font-weight: 500;
    color: #7f8c8d;
    width: 150px;
}

/* Tech info */
.tech-info {
    background: #e8f4f8;
    border: 1px solid #bee5eb;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

.tech-info h3 {
    margin-bottom: 10px;
}

.tech-info code {
    background: #fff;
    padding: 2px 6px;
    border-radius: 3px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 20px;
    margin-top: auto;
}