/* ============================================
   AUTHENTICATION PAGES STYLING
   login.html, register.html
   ============================================ */

/* --- Auth Navbar --- */
.auth-navbar {
    padding: 12px 30px;
}

.auth-navbar .nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.auth-navbar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.auth-navbar .nav-link:hover {
    color: #fff;
}

/* --- Auth Container --- */
.auth-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
    align-items: start;
}

/* --- Auth Card --- */
.auth-card {
    background: var(--light-container-bg);
    border-radius: 16px;
    padding: 40px 45px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: background 0.3s, box-shadow 0.3s;
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
}

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

.auth-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.auth-icon i {
    font-size: 28px;
    color: #fff;
}

.auth-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-primary);
    margin: 0 0 6px;
}

.auth-header p {
    color: var(--light-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* --- Auth Form --- */
.auth-form .form-group {
    margin-bottom: 18px;
}

.auth-form label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--light-primary);
    margin-bottom: 6px;
}

.auth-form label i {
    margin-right: 6px;
    color: var(--light-secondary);
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: var(--light-bg);
    color: var(--light-text);
    box-sizing: border-box;
}

.auth-form input:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
    outline: none;
}

/* Password wrapper */
.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 44px !important;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    padding: 4px;
    font-size: 1.1rem;
}

.toggle-password:hover {
    color: #555;
}

/* Password strength */
.password-strength {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: #e0e0e0;
    border-radius: 4px;
    transition: background 0.3s, opacity 0.3s;
}

.strength-text {
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

/* Terms checkbox */
.terms-group {
    margin-bottom: 20px;
}

.terms-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--light-text);
}

.terms-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.terms-checkbox a {
    color: #3498db;
    text-decoration: none;
}

.terms-checkbox a:hover {
    text-decoration: underline;
}

/* Form options (login) */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--light-text);
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-link {
    color: #3498db;
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* --- Auth Button --- */
.auth-btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

.auth-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* --- Auth Error --- */
.auth-error {
    background: #fde8e8;
    border: 1px solid #f5c6c6;
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #c0392b;
    font-size: 0.9rem;
    margin: 16px 0;
}

.auth-error i {
    font-size: 1.1rem;
}

/* --- Divider --- */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0e0e0;
}

.auth-divider span {
    color: var(--light-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* --- Social Login --- */
.social-login {
    display: flex;
    gap: 12px;
}

.social-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: var(--light-bg);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: border-color 0.3s, background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--light-text);
}

.social-btn:hover {
    border-color: #3498db;
    background: #f0f7ff;
}

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

.social-btn.github i {
    color: #333;
}

.social-btn i {
    font-size: 1.2rem;
}

/* --- Auth Footer --- */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--light-secondary);
    font-size: 0.95rem;
}

.auth-footer a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

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

/* --- Auth Benefits (Sidebar) --- */
.auth-benefits {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border-radius: 16px;
    padding: 35px 30px;
    color: #fff;
    position: sticky;
    top: 90px;
}

.auth-benefits h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 20px;
    color: #fff;
}

.auth-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.auth-benefits li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.95rem;
}

.auth-benefits li:last-child {
    border-bottom: none;
}

.auth-benefits i {
    font-size: 1.2rem;
    color: #3498db;
    width: 24px;
    text-align: center;
}

/* ============================================
   DARK MODE
   ============================================ */

body.dark-mode .auth-card {
    background: var(--dark-container-bg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

body.dark-mode .auth-header h1 {
    color: var(--dark-primary);
}

body.dark-mode .auth-header p {
    color: var(--dark-secondary);
}

body.dark-mode .auth-form label {
    color: var(--dark-text);
}

body.dark-mode .auth-form input[type="text"],
body.dark-mode .auth-form input[type="email"],
body.dark-mode .auth-form input[type="password"] {
    background: var(--dark-bg);
    color: var(--dark-text);
    border-color: #444;
}

body.dark-mode .auth-form input:focus {
    border-color: var(--dark-highlight);
    box-shadow: 0 0 0 3px rgba(69, 153, 255, 0.15);
}

body.dark-mode .toggle-password {
    color: #888;
}

body.dark-mode .toggle-password:hover {
    color: #ccc;
}

body.dark-mode .remember-me {
    color: var(--dark-text);
}

body.dark-mode .auth-divider span {
    color: var(--dark-secondary);
}

body.dark-mode .auth-divider::before,
body.dark-mode .auth-divider::after {
    background: #444;
}

body.dark-mode .social-btn {
    background: var(--dark-bg);
    border-color: #444;
    color: var(--dark-text);
}

body.dark-mode .social-btn:hover {
    border-color: var(--dark-highlight);
    background: rgba(69, 153, 255, 0.1);
}

body.dark-mode .auth-footer {
    color: var(--dark-secondary);
}

body.dark-mode .auth-error {
    background: rgba(231, 76, 60, 0.15);
    border-color: rgba(231, 76, 60, 0.3);
    color: #e74c3c;
}

body.dark-mode .auth-benefits {
    background: linear-gradient(135deg, #1a1a2e, #2d2d44);
}

body.dark-mode .auth-benefits li {
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

body.dark-mode .terms-checkbox {
    color: var(--dark-text);
}

body.dark-mode .strength-bar {
    background: #444;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 992px) {
    .auth-container {
        grid-template-columns: 1fr;
        max-width: 500px;
        gap: 30px;
    }
    
    .auth-benefits {
        position: static;
        order: -1;
    }
    
    .auth-benefits ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4px 20px;
    }
    
    .auth-benefits li {
        border-bottom: none;
        padding: 8px 0;
    }
}

@media (max-width: 576px) {
    .auth-card {
        padding: 28px 20px;
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .social-login {
        flex-direction: column;
    }
    
    .auth-benefits ul {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .auth-navbar {
        padding: 10px 16px;
    }
    
    .auth-navbar .nav-link {
        font-size: 0.85rem;
    }
    
    .auth-navbar .nav-right {
        gap: 12px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeInUp 0.5s ease-out;
}

.auth-benefits {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}