/* Google OAuth App - Modern CSS Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: "🔐";
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    padding: 4rem 0;
    text-align: center;
}

.hero-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 4rem 2rem;
    margin: 2rem auto;
    max-width: 800px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, #4285f4, #34a853);
    color: white;
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(45deg, #ea4335, #fbbc04);
    color: white;
    box-shadow: 0 4px 15px rgba(234, 67, 53, 0.3);
}

.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(234, 67, 53, 0.4);
}

/* Google Icon */
.google-icon {
    width: 20px;
    height: 20px;
    background: url('data:image/svg+xml;base64,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') no-repeat center;
    background-size: contain;
}

/* Dashboard Styles */
.dashboard {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 1000px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    color: #333;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    color: white;
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.user-details h2 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.user-details p {
    opacity: 0.9;
    font-size: 1rem;
}

/* Token Info Cards */
.token-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.token-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.token-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.token-card h3 {
    color: #4285f4;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.token-card h3::before {
    content: "🔑";
    font-size: 1rem;
}

.token-info {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    word-break: break-all;
    border-left: 4px solid #4285f4;
}

.status-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

/* Error Messages */
.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid #f5c6cb;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid #c3e6cb;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.2);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .user-info {
        flex-direction: column;
        text-align: center;
    }
    
    .token-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Smooth Transitions */
* {
    transition: all 0.3s ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}