/**
 * Auth Components CSS
 * Uses design-tokens.css custom properties for light/dark support
 */

/* Container */
.auth-form-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100%;
    padding: 20px;
}

.auth-form-card {
    background: var(--ct-bg-card);
    border: 1px solid var(--ct-border);
    border-radius: var(--ct-radius);
    padding: 32px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--ct-shadow-xl);
}

/* Header */
.auth-form-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-form-header h2 {
    font-family: var(--ct-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ct-text-primary);
    margin: 0 0 8px 0;
}

.auth-form-header p {
    color: var(--ct-text-muted);
    margin: 0;
    font-size: 0.9rem;
}

.success-header {
    padding: 20px 0;
}

.success-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ct-text-secondary);
}

.form-group .required {
    color: var(--ct-error);
}

.form-group .optional {
    color: var(--ct-text-muted);
    font-weight: 400;
}

.form-group input {
    padding: 10px 14px;
    border: 1px solid var(--ct-border);
    border-radius: var(--ct-radius);
    background: var(--ct-bg-card);
    color: var(--ct-text-primary);
    font-size: 0.9rem;
    font-family: var(--ct-font-body);
    transition: border-color var(--ct-transition), box-shadow var(--ct-transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--ct-accent);
    box-shadow: var(--ct-ring);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.form-hint {
    font-size: 0.72rem;
    color: var(--ct-text-muted);
}

/* Password requirements */
.password-requirements {
    font-size: 0.78rem;
    padding: 8px;
    border-radius: var(--ct-radius);
    background: var(--ct-bg-inset);
}

.password-requirements .valid {
    color: var(--ct-success);
}

.password-requirements .invalid {
    color: var(--ct-error);
}

.match-valid {
    font-size: 0.78rem;
    color: var(--ct-success);
}

.match-invalid {
    font-size: 0.78rem;
    color: var(--ct-error);
}

/* Terms Agreement Checkbox */
.terms-agreement {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--ct-accent-light);
    border: 1px solid var(--ct-border);
    border-radius: var(--ct-radius);
}

.terms-agreement .checkbox-label {
    align-items: flex-start;
    gap: 12px;
}

.terms-agreement .checkbox-text {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--ct-text-secondary);
}

.terms-agreement input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    accent-color: var(--ct-accent);
    cursor: pointer;
}

.link-button.inline {
    display: inline;
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    color: var(--ct-accent);
    font-size: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.link-button.inline:hover {
    color: var(--ct-accent-hover);
}

/* Auth options (remember me, forgot password) */
.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ct-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ct-accent);
}

/* Buttons */
.auth-submit-btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--ct-radius);
    background: var(--ct-accent);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--ct-font-body);
    cursor: pointer;
    transition: background var(--ct-transition), box-shadow var(--ct-transition);
    margin-top: 8px;
}

.auth-submit-btn:hover:not(:disabled) {
    background: var(--ct-accent-hover);
    box-shadow: var(--ct-shadow-md);
}

.auth-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.auth-submit-btn.secondary {
    background: var(--ct-bg-inset);
    color: var(--ct-text-primary);
    border: 1px solid var(--ct-border);
}

.auth-submit-btn.secondary:hover:not(:disabled) {
    background: var(--ct-bg-hover);
    box-shadow: none;
}

.link-button {
    background: none;
    border: none;
    color: var(--ct-accent);
    font-size: inherit;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.link-button:hover {
    color: var(--ct-accent-hover);
}

/* Error message */
.auth-error {
    background: var(--ct-error-light);
    border: 1px solid var(--ct-error);
    border-radius: var(--ct-radius);
    padding: 12px 16px;
    color: var(--ct-error);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

/* Switch between login/register */
.auth-switch {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--ct-border);
    color: var(--ct-text-muted);
    font-size: 0.85rem;
}

/* Terms */
.auth-terms {
    text-align: center;
    font-size: 0.72rem;
    color: var(--ct-text-muted);
    margin-top: 16px;
}

.auth-terms a {
    color: var(--ct-text-secondary);
    text-decoration: underline;
}

.auth-terms a:hover {
    color: var(--ct-text-primary);
}

/* Tips */
.auth-tips {
    background: var(--ct-bg-inset);
    border-radius: var(--ct-radius);
    padding: 16px;
    margin: 16px 0;
}

.auth-tips p {
    color: var(--ct-text-primary);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.auth-tips ul {
    margin: 0;
    padding-left: 20px;
    color: var(--ct-text-secondary);
}

.auth-tips li {
    margin: 4px 0;
}

/* Modal overlay */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    padding: 20px;
}

.auth-modal {
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.auth-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--ct-bg-inset);
    border: 1px solid var(--ct-border);
    color: var(--ct-text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--ct-radius);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ct-transition);
    z-index: 1;
}

.auth-modal-close:hover {
    background: var(--ct-bg-hover);
    color: var(--ct-text-primary);
}

.auth-modal-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
}

.auth-modal-logo .logo-icon {
    font-size: 2rem;
}

.auth-modal-logo .logo-text {
    font-family: var(--ct-font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--ct-accent);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-form-card {
        padding: 24px 20px;
    }

    .auth-form-header h2 {
        font-size: 1.3rem;
    }

    .auth-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}