/* Base Styles */
:root {
    --primary-color: #2196F3;
    --primary-dark: #1565C0;
    --secondary-color: #FFC107;
    --accent-color: #FF4081;
    --text-color: #333;
    --light-text: #666;
    --gray-text: #999;
    --error-color: #F44336;
    --success-color: #4CAF50;
    --background-color: #f5f5f5;
    --card-background: #fff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.auth-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

/* Logo */
.logo {
    text-align: center;
    margin: 2rem 0;
}

.logo a {
    text-decoration: none;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

/* Tab Controls */
.tab-controls {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--light-text);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.tab-btn:hover {
    background-color: rgba(33, 150, 243, 0.05);
}

/* Form Container */
.form-container {
    padding: 2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-color);
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: 400;
}

/* Error Messages */
.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    min-height: 1.2rem;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

/* Form Divider */
.form-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
}

.form-divider::before,
.form-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.form-divider span {
    padding: 0 1rem;
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Social Login */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-btn {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.social-btn:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.social-btn.google {
    color: #DB4437;
}

.social-btn.facebook {
    color: #4267B2;
}

/* Forgot Password */
.forgot-password {
    text-align: right;
    margin-top: 0.5rem;
}

.forgot-password a {
    color: var(--primary-color);
    font-size: 0.85rem;
    text-decoration: none;
}

.forgot-password a:hover {
    text-decoration: underline;
}

/* Help Links */
.help-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.help-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    text-decoration: none;
}

.help-links a:hover {
    color: white;
    text-decoration: underline;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 1rem 0;
}

.success-message h2 {
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-message p {
    margin-bottom: 1.5rem;
}

.success-message .tab-btn {
    display: inline-block;
    margin: 0 auto;
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
}

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

/* Responsive */
@media (max-width: 576px) {
    .form-container {
        padding: 1.5rem;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .help-links {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}