:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --dark: #1f2937;
    --darker: #111827;
    --light: #f3f4f6;
    --lighter: #f9fafb;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --gray: #9ca3af;
    --gray-dark: #4b5563;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--darker), var(--dark));
    color: var(--light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background-color: var(--dark);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header .logo-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.auth-header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header p {
    color: var(--gray);
}

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

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

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--gray-dark);
    background-color: var(--darker);
    color: var(--light);
    font-size: 1rem;
}

.btn {
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--gray-dark);
    z-index: 1;
}

.divider span {
    background-color: var(--dark);
    padding: 0 15px;
    position: relative;
    z-index: 2;
    color: var(--gray);
}

.google-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    background-color: white;
    color: #757575;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    border: none;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 0.9rem;
    color: var(--gray);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}