/* Authentication Page Styles */
.auth-main {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--soft-black) 0%, var(--deep-plum) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.auth-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23C9A646" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.auth-container {
    background: var(--soft-black);
    border: 1px solid var(--antique-gold);
    border-radius: 20px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(201, 166, 70, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    margin-top: 20px;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--antique-gold), transparent, var(--antique-gold));
    border-radius: 22px;
    z-index: -1;
    opacity: 0.3;
    animation: borderGlow 3s ease-in-out infinite alternate;
}

@keyframes borderGlow {
    0% { opacity: 0.3; }
    100% { opacity: 0.6; }
}

/* Tab Navigation */
.auth-tabs {
    display: flex;
    background: var(--deep-plum);
    border-radius: 12px;
    padding: 0.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.auth-tabs::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    width: calc(50% - 0.25rem);
    height: calc(100% - 1rem);
    background: var(--antique-gold);
    border-radius: 8px;
    transition: transform 0.3s ease;
    z-index: 1;
}

.auth-tabs[data-active-tab="signup"]::before {
    transform: translateX(100%);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--warm-white);
    padding: 1rem 1.5rem;
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tab-btn.active {
    color: var(--soft-black);
}

.tab-btn i {
    font-size: 1rem;
}

/* Form Styles */
.auth-form {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.auth-form.active {
    display: block;
}

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

.form-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--warm-white);
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: -0.02em;
}

.form-title-accent {
    width: 120px;
    height: 3px;
    background: linear-gradient(90deg, var(--antique-gold), #e6c866);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.form-title-accent::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--antique-gold);
    border-radius: 50%;
}

.form-subtitle {
    color: var(--warm-white);
    text-align: center;
    margin-bottom: 2.5rem;
    opacity: 0.8;
    font-size: 1rem;
}

.form {
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    color: var(--warm-white);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--deep-plum);
    border: 2px solid transparent;
    border-radius: 12px;
    color: var(--warm-white);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input::placeholder {
    color: var(--warm-white);
    opacity: 0.6;
}

.form-group input:focus {
    outline: none;
    border-color: var(--antique-gold);
    box-shadow: 0 0 0 3px rgba(201, 166, 70, 0.2);
    background: var(--deep-plum);
}

.form-group input:valid {
    border-color: rgba(201, 166, 70, 0.3);
}

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

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--antique-gold);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--warm-white);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--warm-white);
    font-size: 0.9rem;
    position: relative;
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--antique-gold);
    border-radius: 4px;
    margin-right: 0.75rem;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: var(--antique-gold);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--soft-black);
    font-size: 0.8rem;
    font-weight: bold;
}

.forgot-password {
    color: var(--antique-gold);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--warm-white);
    text-decoration: underline;
}

.terms-link {
    color: var(--antique-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.terms-link:hover {
    color: var(--warm-white);
    text-decoration: underline;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--antique-gold) 0%, #B8943A 100%);
    border: none;
    border-radius: 12px;
    padding: 1.25rem 2rem;
    color: var(--soft-black);
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(201, 166, 70, 0.3);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 166, 70, 0.4);
    background: linear-gradient(135deg, #B8943A 0%, var(--antique-gold) 100%);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: inline-block;
}

.btn-loading {
    display: none;
}

/* Social Sign In */
.social-signin {
    margin-top: 2rem;
}

.divider {
    text-align: center;
    position: relative;
    margin: 2rem 0;
    color: var(--warm-white);
    opacity: 0.7;
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 80px);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--antique-gold), transparent);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.social-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-btn {
    flex: 1;
    background: transparent;
    border: 2px solid var(--antique-gold);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--antique-gold);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.social-btn:hover {
    background: var(--antique-gold);
    color: var(--soft-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(201, 166, 70, 0.3);
}

.social-btn i {
    font-size: 1.1rem;
}

/* Error Messages */
.error-message {
    color: #ff6b6b;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    min-height: 1.2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.error-message.show {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-main {
        padding: 100px 1rem 2rem;
        min-height: 100vh;
        overflow-x: hidden;
    }
    
    .auth-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
        max-width: 100%;
        width: calc(100% - 2rem);
        border-radius: 15px;
    }
    
    .form-title {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }
    
    .auth-tabs {
        margin-bottom: 2rem;
        border-radius: 10px;
    }
    
    .tab-btn {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }
    
    .social-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    /* Prevent horizontal overflow */
    .auth-container::before {
        display: none;
    }
    
    /* Ensure proper spacing */
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    .form-group input {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .submit-btn {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .auth-main {
        padding: 80px 0.5rem 1rem;
        overflow-x: hidden;
    }
    
    .auth-container {
        padding: 1.5rem 1rem;
        margin: 0 0.5rem;
        width: calc(100% - 1rem);
        border-radius: 12px;
    }
    
    .form-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .form-group input {
        padding: 0.75rem 0.875rem;
        font-size: 0.9rem;
    }
    
    .submit-btn {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
    
    .auth-tabs {
        padding: 0.375rem;
        margin-bottom: 1.5rem;
    }
    
    .tab-btn {
        padding: 0.75rem 0.875rem;
        font-size: 0.9rem;
    }
    
    /* Prevent any horizontal scrolling */
    body {
        overflow-x: hidden;
    }
    
    .auth-main {
        overflow-x: hidden;
        width: 100%;
    }
    
    /* Ensure container doesn't overflow */
    .auth-container {
        box-sizing: border-box;
        max-width: 100%;
        overflow: hidden;
    }
    
    /* Fix any potential overflow issues */
    .form {
        width: 100%;
        overflow: hidden;
    }
    
    .form-group {
        width: 100%;
        overflow: hidden;
    }
    
    .form-group input {
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Ensure social buttons don't overflow */
    .social-buttons {
        width: 100%;
        box-sizing: border-box;
    }
    
    .social-btn {
        width: 100%;
        box-sizing: border-box;
    }
}

/* Loading States */
.auth-container.loading {
    pointer-events: none;
    opacity: 0.8;
}

.auth-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--antique-gold);
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 10;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}