/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
}

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

/* Main Content */
main {
    padding: 40px;
}

section {
    margin-bottom: 60px;
}

section h2 {
    font-size: 2em;
    margin-bottom: 30px;
    color: #667eea;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

/* Auth Section */
.auth-section {
    max-width: 500px;
    margin: 0 auto 60px;
}

.auth-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.auth-form h3 {
    margin-bottom: 20px;
    color: #333;
}

.auth-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.auth-form button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.auth-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.auth-form button:active {
    transform: translateY(0);
}

.form-switch {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

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

.form-switch a:hover {
    text-decoration: underline;
}

.hidden {
    display: none;
}

#user-profile {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

#user-profile h3 {
    margin-bottom: 15px;
    color: #333;
}

#user-profile p {
    margin-bottom: 20px;
    font-size: 16px;
}

#user-email {
    font-weight: 600;
    color: #667eea;
}

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

.feature-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* Status Section */
.status-section {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.status-label {
    font-weight: 600;
    color: #333;
}

.status-indicator {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.status-indicator.connected {
    background: #28a745;
    color: white;
}

.status-indicator.disconnected {
    background: #dc3545;
    color: white;
}

.status-indicator.checking {
    background: #ffc107;
    color: #333;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .tagline {
        font-size: 1em;
    }

    main {
        padding: 20px;
    }

    section h2 {
        font-size: 1.5em;
    }

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