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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-email {
    color: #666;
    font-size: 0.9rem;
}

.btn-logout {
    padding: 0.5rem 1rem;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.btn-logout:hover {
    background: #c0392b;
}

.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.container {
    max-width: 500px;
    width: 100%;
}

.card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    padding: 3rem;
}

h1 {
    color: #333;
    margin-bottom: 0.5rem;
    text-align: center;
    font-size: 2rem;
}

.subtitle {
    color: #666;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: #333;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: block;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-google {
    background: #4285f4;
    color: white;
    margin-bottom: 0.8rem;
}

.btn-google:hover {
    background: #357ae8;
}

.btn-github {
    background: #24292e;
    color: white;
}

.btn-github:hover {
    background: #1a1e22;
}

.btn-small {
    width: auto;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.divider {
    text-align: center;
    margin: 2rem 0;
    color: #999;
    position: relative;
}

.divider::before,
.divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: #ddd;
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.social-buttons {
    margin-top: 1.5rem;
}

.footer-text {
    text-align: center;
    margin-top: 2rem;
    color: #666;
    font-size: 0.9rem;
}

.footer-text a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.footer-text a:hover {
    text-decoration: underline;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #fee;
    border: 2px solid #fcc;
    color: #c33;
}

.alert-success {
    background: #efe;
    border: 2px solid #cfc;
    color: #3c3;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.profile-avatar {
    font-size: 4rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #667eea;
    border-radius: 50%;
}

.profile-info h2 {
    color: #333;
    margin-bottom: 0.3rem;
    font-size: 1.5rem;
}

.text-muted {
    color: #666;
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: #28a745;
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
}

.stat-info h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.stat-info p {
    color: #666;
    font-size: 0.8rem;
}

.token-section {
    margin: 2rem 0;
}

.token-section h3 {
    color: #333;
    margin-bottom: 1rem;
}

.token-box {
    margin-bottom: 1.5rem;
}

.token-box label {
    display: block;
    color: #666;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.token-box textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 0.5rem;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
}

.spinner {
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dashboard specific styles */
#dashboardPage .container {
    max-width: 800px;
}

#dashboardPage .card {
    padding: 2rem;
}

.info-box {
    background: #e7f3ff;
    border: 2px solid #b3d9ff;
    color: #004085;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    font-size: 0.85rem;
}

.info-box strong {
    display: block;
    margin-bottom: 0.5rem;
}

.info-box ol {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.info-box li {
    margin: 0.3rem 0;
}