/**
 * Authentication Pages Styles
 * Uses design system from variables.css
 */

.auth-section {
    min-height: calc(100vh - var(--header-height) - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    background: var(--bg-secondary);
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--rounded-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--color-gray-200);
}

.auth-card-wide {
    max-width: 520px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.auth-success-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--color-success);
}

/* OAuth Buttons */
.auth-oauth {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--rounded-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-oauth:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-google:hover {
    border-color: #4285F4;
    background: rgba(66, 133, 244, 0.05);
}

.btn-facebook:hover {
    border-color: #1877F2;
    background: rgba(24, 119, 242, 0.05);
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray-300);
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4);
}

.form-group-wide {
    grid-column: span 1;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    display: block;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: 0.01em;
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--rounded-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    background: var(--color-gray-50);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:hover,
.form-select:hover {
    border-color: var(--color-gray-400);
    background: var(--bg-primary);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.15);
}

.form-input:disabled {
    background: var(--color-gray-100);
    color: var(--text-muted);
    cursor: not-allowed;
    border-color: var(--color-gray-200);
}

/* Form Input Error State */
.form-input.is-error,
.form-select.is-error {
    border-color: var(--color-error);
    background: rgba(244, 67, 54, 0.05);
}

.form-input.is-error:focus,
.form-select.is-error:focus {
    box-shadow: 0 0 0 4px rgba(244, 67, 54, 0.15);
}

/* Form Input Success State */
.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--color-success);
    background: rgba(76, 175, 80, 0.05);
}

.form-input.is-valid:focus,
.form-select.is-valid:focus {
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.15);
}

.form-hint {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-2);
}

.form-hint .text-success {
    color: var(--color-success);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-checkbox span {
    user-select: none;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-terms {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

.form-terms a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-terms a:hover {
    color: var(--color-primary-dark);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.form-actions .btn {
    flex: 1;
}

/* Links */
.auth-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.auth-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Extra Section */
.auth-extra {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
}

.auth-details {
    color: var(--text-muted);
}

.auth-details summary {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.auth-details summary:hover {
    color: var(--color-primary);
}

.auth-resend-form {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.auth-resend-form .form-input {
    flex: 1;
}

/* Order Confirmation */
.order-confirmation-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-5);
    background: var(--color-accent-light);
    border-radius: var(--rounded-lg);
    margin-bottom: var(--space-6);
    border: 1px solid var(--color-accent);
}

.order-confirmation-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.order-confirmation-number {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-display);
}

/* Benefits */
.auth-benefits {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
}

.auth-benefits-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.auth-benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.auth-benefits-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.auth-benefits-list svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Track Section */
.track-section {
    min-height: calc(100vh - var(--header-height) - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    background: var(--bg-secondary);
}

.track-card {
    background: var(--bg-primary);
    border-radius: var(--rounded-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--color-gray-200);
}

.track-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.track-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.track-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.track-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.track-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Dark Mode Overrides */
[data-theme="dark"] .auth-card,
[data-theme="dark"] .track-card {
    border-color: rgba(255, 255, 255, 0.1);
    background: var(--bg-primary);
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

[data-theme="dark"] .form-input:hover,
[data-theme="dark"] .form-select:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.2);
}

[data-theme="dark"] .form-input:disabled,
[data-theme="dark"] .form-select:disabled {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .btn-oauth {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .btn-oauth:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .auth-divider::before,
[data-theme="dark"] .auth-divider::after {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .auth-footer,
[data-theme="dark"] .auth-benefits,
[data-theme="dark"] .track-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .order-confirmation-summary {
    background: rgba(var(--color-primary-rgb), 0.1);
    border-color: rgba(var(--color-primary-rgb), 0.2);
}

/* Responsive */
@media (max-width: 640px) {
    .auth-section,
    .track-section {
        padding: var(--space-4);
        align-items: flex-start;
        padding-top: var(--space-8);
    }

    .auth-card,
    .track-card {
        padding: var(--space-6);
        margin: 0;
        border-radius: var(--rounded-lg);
    }

    .auth-header,
    .track-header {
        margin-bottom: var(--space-6);
    }

    .form-row-2,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .form-input,
    .form-select {
        padding: var(--space-3);
    }
}