/* auth.css */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --dark-bg: #0f0f1e;
    --dark-card: #1a1a2e;
    --dark-text: #f8f9fa;
    --dark-input: #252540;
    --light-bg: #f8f9fa;
    --light-card: #ffffff;
    --light-text: #212529;
    --light-input: #e9ecef;
    --transition: all 0.3s ease;
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--dark-text);
    transition: var(--transition);
    overflow-x: hidden;
}

body.light-mode {
    background-color: var(--light-bg);
    color: var(--light-text);
}

.container-fluid {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.row {
    width: 100%;
    margin: 0;
}

.left-panel {
    background-color: var(--dark-card);
    padding: 60px 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
}

body.light-mode .left-panel {
    background-color: var(--light-card);
}

.right-panel {
    background-color: var(--dark-bg);
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
}

body.light-mode .right-panel {
    background-color: var(--light-bg);
}

.logo {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.8;
}

.course-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .course-card {
    background-color: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.course-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.course-description {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 15px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    opacity: 0.7;
}

.auth-card {
    background-color: var(--dark-card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

body.light-mode .auth-card {
    background-color: var(--light-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.auth-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.7;
}

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

.form-label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    background-color: var(--dark-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    transition: var(--transition);
}

body.light-mode .form-control {
    background-color: var(--light-input);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--light-text);
}

.form-control:focus {
    background-color: var(--dark-input);
    border-color: var(--primary-color);
    color: var(--dark-text);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

body.light-mode .form-control:focus {
    background-color: var(--light-input);
    color: var(--light-text);
}

.password-input-group {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--dark-text);
    opacity: 0.7;
}

body.light-mode .toggle-password {
    color: var(--light-text);
}

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

.form-check-input {
    background-color: var(--dark-input);
    border-color: rgba(255, 255, 255, 0.1);
    margin-top: 0.3rem;
}

body.light-mode .form-check-input {
    background-color: var(--light-input);
    border-color: rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 600;
    width: 100%;
    margin-bottom: 20px;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 600;
    width: 100%;
    margin-bottom: 15px;
    transition: var(--transition);
}

.btn-outline:hover {
    background-color: rgba(67, 97, 238, 0.1);
    transform: translateY(-2px);
}

.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: rgba(255, 255, 255, 0.5);
}

body.light-mode .divider {
    color: rgba(0, 0, 0, 0.5);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
}

body.light-mode .divider::before,
body.light-mode .divider::after {
    background-color: rgba(0, 0, 0, 0.1);
}

.divider span {
    padding: 0 15px;
    font-size: 14px;
}

.auth-links {
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
}

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

.auth-links a:hover {
    text-decoration: underline;
}

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

body.light-mode .theme-toggle {
    background-color: rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
    background-color: rgba(67, 97, 238, 0.2);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: #f8d7da;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

body.light-mode .alert-danger {
    background-color: rgba(220, 53, 69, 0.05);
    color: #721c24;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #d1f2eb;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

body.light-mode .alert-success {
    background-color: rgba(16, 185, 129, 0.05);
    color: #0a5c3f;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.benefit-icon {
    background-color: rgba(67, 97, 238, 0.2);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.benefit-text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.benefit-text p {
    font-size: 14px;
    opacity: 0.7;
    margin: 0;
}

.terms-container {
    background-color: var(--dark-card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

body.light-mode .terms-container {
    background-color: var(--light-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.terms-container h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.terms-container h2 {
    font-size: 24px;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 15px;
}

.terms-container p, .terms-container li {
    margin-bottom: 15px;
    line-height: 1.6;
}

.terms-container ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.disclaimer {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid var(--danger);
    padding: 15px;
    margin: 30px 0;
    border-radius: 0 8px 8px 0;
}

body.light-mode .disclaimer {
    background-color: rgba(220, 53, 69, 0.05);
}

.back-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 20px;
    transition: var(--transition);
}

.back-arrow:hover {
    transform: translateX(-5px);
}

.back-arrow i {
    margin-right: 8px;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .left-panel {
        min-height: 40vh;
        padding: 40px 30px;
    }
    
    .right-panel {
        padding: 40px 30px;
    }
}

@media (max-width: 768px) {
    .left-panel {
        min-height: auto;
        padding: 30px 20px;
    }
    
    .right-panel {
        padding: 30px 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .auth-card, .terms-container {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 24px;
    }
    
    .auth-card, .terms-container {
        padding: 25px 15px;
    }
    
    .benefit-icon {
        width: 40px;
        height: 40px;
        margin-right: 15px;
    }
}