:root {
    --primary: #2c3e50;
    --accent: #3498db;
    --error: #e74c3c;
    --success: #2ecc71;
    --background: #f5f5f5;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.logo {
    width: 120px;
    margin: 0 auto 2rem;
    display: block;
}

h1 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.help-text {
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.5rem;
}

.help-text a {
    color: var(--accent);
    text-decoration: none;
}

.auth-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    color: #666;
}

.auth-links a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.error-message {
    background: var(--error);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.success-message {
    background: var(--success);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
}