/**
 * KADOCHE - Checkout Component
 * ===========================
 * Sistema de checkout mobile-first com UX de alto nivel
 * Seguindo Design System VIX
 *
 * @package Kadoche
 * @version 2.0.0
 */

/* ==========================================================================
   CHECKOUT AUTH - Container Principal
   ========================================================================== */

.checkout-auth {
    min-height: 100vh;
    min-height: 100dvh;
    background-color: var(--color-bg);
    padding-bottom: env(safe-area-inset-bottom);
}

.checkout-auth__content {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-6) var(--container-px);
    padding-bottom: var(--space-16);
}

/* ==========================================================================
   PROGRESS INDICATOR
   ========================================================================== */

.checkout-auth__header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-4) var(--container-px);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.checkout-auth__progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    max-width: 400px;
    margin: 0 auto;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    opacity: 0.4;
    transition: opacity var(--duration-normal) var(--ease-in-out);
}

.progress-step--active {
    opacity: 1;
}

.progress-step--completed {
    opacity: 1;
}

.progress-step__number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-border);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    transition: background-color var(--duration-normal) var(--ease-in-out);
}

.progress-step--active .progress-step__number {
    background-color: var(--color-accent);
}

.progress-step--completed .progress-step__number {
    background-color: var(--color-success);
}

.progress-step__label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.progress-step--active .progress-step__label {
    color: var(--color-text);
}

.progress-step__line {
    flex: 1;
    height: 2px;
    background-color: var(--color-border-light);
    min-width: 24px;
    max-width: 60px;
}

/* ==========================================================================
   CART SUMMARY (Mobile)
   ========================================================================== */

.checkout-auth__cart-summary {
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
}

.cart-summary__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--container-px);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-in-out);
}

.cart-summary__toggle:hover {
    background-color: var(--color-off-white);
}

.cart-summary__info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.cart-summary__info svg {
    color: var(--color-accent);
}

.cart-summary__total {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
}

.cart-summary__arrow {
    transition: transform var(--duration-fast) var(--ease-in-out);
}

.cart-summary__toggle--expanded .cart-summary__arrow {
    transform: rotate(180deg);
}

/* ==========================================================================
   WELCOME SECTION
   ========================================================================== */

.checkout-auth__welcome {
    text-align: center;
    margin-bottom: var(--space-8);
    padding-top: var(--space-4);
}

.checkout-auth__title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: var(--font-semibold);
    color: var(--color-navy);
    margin: 0 0 var(--space-2);
    line-height: var(--leading-tight);
}

.checkout-auth__subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   AUTH OPTIONS
   ========================================================================== */

.checkout-auth__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-option {
    background-color: var(--color-white);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color var(--duration-normal) var(--ease-in-out),
                box-shadow var(--duration-normal) var(--ease-in-out);
}

.auth-option:hover {
    border-color: var(--color-accent-light);
}

.auth-option--expanded {
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(var(--color-accent-rgb), 0.15);
}

.auth-option__header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-in-out);
    text-decoration: none;
    color: inherit;
}

.auth-option__header:hover {
    background-color: var(--color-bg-alt);
}

.auth-option__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background-color: var(--color-accent);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.auth-option__icon--outline {
    background-color: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text-secondary);
}

.auth-option--guest .auth-option__icon--outline {
    background-color: var(--color-bg-alt);
}

.auth-option__info {
    flex: 1;
    min-width: 0;
}

.auth-option__title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-1);
}

.auth-option__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.auth-option__arrow {
    color: var(--color-text-muted);
    transition: transform var(--duration-fast) var(--ease-in-out),
                color var(--duration-fast) var(--ease-in-out);
}

.auth-option--expanded .auth-option__arrow {
    transform: rotate(90deg);
    color: var(--color-accent);
}

/* ==========================================================================
   AUTH FORMS
   ========================================================================== */

.auth-option__form {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--duration-slow) var(--ease-in-out),
                opacity var(--duration-normal) var(--ease-in-out),
                padding var(--duration-normal) var(--ease-in-out);
}

.auth-option--expanded .auth-option__form {
    max-height: 600px;
    opacity: 1;
    padding: 0 var(--space-5) var(--space-5);
}

.checkout-login-form,
.checkout-register-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

/* Form inline group (remember me + forgot password) */
.checkout-login-form .form-group--inline {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.checkout-auth__link {
    font-size: var(--text-sm);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: color var(--duration-fast) var(--ease-in-out);
}

.checkout-auth__link:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* Password toggle button */
.password-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color var(--duration-fast) var(--ease-in-out);
}

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

/* Password strength indicator */
.password-strength {
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.password-strength__bar {
    flex: 1;
    height: 4px;
    background-color: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.password-strength__bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    transition: width var(--duration-normal) var(--ease-in-out),
                background-color var(--duration-normal) var(--ease-in-out);
}

.password-strength--weak .password-strength__bar::after {
    width: 33%;
    background-color: var(--color-error);
}

.password-strength--medium .password-strength__bar::after {
    width: 66%;
    background-color: var(--color-warning);
}

.password-strength--strong .password-strength__bar::after {
    width: 100%;
    background-color: var(--color-success);
}

.password-strength__text {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    min-width: 50px;
}

.password-strength--weak .password-strength__text {
    color: var(--color-error);
}

.password-strength--medium .password-strength__text {
    color: var(--color-warning);
}

.password-strength--strong .password-strength__text {
    color: var(--color-success);
}

/* ==========================================================================
   AUTH DIVIDER
   ========================================================================== */

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-2) 0;
}

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

.auth-divider span {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: lowercase;
}

/* ==========================================================================
   BENEFITS SECTION
   ========================================================================== */

.checkout-auth__benefits {
    margin-top: var(--space-8);
    padding: var(--space-5);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
}

.benefits__title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-4);
    text-align: center;
}

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

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

.benefits__list svg {
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 2px;
}

/* ==========================================================================
   SECURITY BADGE
   ========================================================================== */

.checkout-auth__security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
    padding: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.checkout-auth__security svg {
    color: var(--color-success);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn--block {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn__text {
    flex: 1;
}

.btn__icon {
    flex-shrink: 0;
    transition: transform var(--duration-fast) var(--ease-in-out);
}

.btn:hover .btn__icon {
    transform: translateX(4px);
}

/* ==========================================================================
   FORM CHECK OVERRIDES
   ========================================================================== */

.checkout-auth .form-check {
    cursor: pointer;
}

.checkout-auth .form-check__indicator {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-in-out);
    flex-shrink: 0;
}

.checkout-auth .form-check__input:checked + .form-check__indicator {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkout-auth .form-check__input:checked + .form-check__indicator::after {
    content: '';
    width: 10px;
    height: 10px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.checkout-auth .form-check__label {
    font-size: var(--text-sm);
    color: var(--color-text);
    line-height: var(--leading-relaxed);
}

.checkout-auth .form-check__label a {
    color: var(--color-accent);
    text-decoration: none;
}

.checkout-auth .form-check__label a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   RESPONSIVE - Tablet
   ========================================================================== */

@media (min-width: 768px) {
    .checkout-auth__content {
        padding: var(--space-10) var(--space-8);
        max-width: 520px;
    }

    .checkout-auth__welcome {
        margin-bottom: var(--space-10);
    }

    .checkout-auth__title {
        font-size: var(--text-h1);
    }

    .progress-step__number {
        width: 32px;
        height: 32px;
        font-size: var(--text-sm);
    }

    .progress-step__label {
        font-size: var(--text-sm);
    }

    .auth-option__icon {
        width: 56px;
        height: 56px;
    }

    .auth-option__title {
        font-size: var(--text-lg);
    }
}

/* ==========================================================================
   RESPONSIVE - Desktop
   ========================================================================== */

@media (min-width: 1024px) {
    .checkout-auth {
        display: flex;
        flex-direction: column;
    }

    .checkout-auth__header {
        position: relative;
    }

    .checkout-auth__cart-summary {
        display: none;
    }

    .checkout-auth__content {
        max-width: 560px;
        padding: var(--space-12) var(--space-10);
    }

    .checkout-auth__options {
        gap: var(--space-5);
    }

    .auth-option {
        border-radius: var(--radius-2xl);
    }

    .auth-option__header {
        padding: var(--space-6);
    }

    .auth-option--expanded .auth-option__form {
        padding: 0 var(--space-6) var(--space-6);
    }
}

/* ==========================================================================
   WOOCOMMERCE NOTICES OVERRIDE
   ========================================================================== */

.checkout-auth .woocommerce-error,
.checkout-auth .woocommerce-message,
.checkout-auth .woocommerce-info {
    margin: var(--space-4) 0;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.checkout-auth .woocommerce-error {
    background-color: rgba(var(--color-error-rgb), 0.1);
    border-left: 4px solid var(--color-error);
    color: var(--color-error-dark);
}

.checkout-auth .woocommerce-message {
    background-color: rgba(74, 143, 109, 0.1);
    border-left: 4px solid var(--color-success);
    color: var(--color-success-dark);
}

.checkout-auth .woocommerce-info {
    background-color: rgba(var(--color-info-rgb), 0.1);
    border-left: 4px solid var(--color-info);
    color: var(--color-info-dark);
}

/* ==========================================================================
   LOADING STATE
   ========================================================================== */

.checkout-auth .btn--loading {
    position: relative;
    pointer-events: none;
}

.checkout-auth .btn--loading .btn__text,
.checkout-auth .btn--loading .btn__icon {
    opacity: 0;
}

.checkout-auth .btn--loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btn-spinner 0.8s linear infinite;
}

@keyframes btn-spinner {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

.checkout-auth .form-input:focus-visible,
.checkout-auth .form-check__input:focus-visible + .form-check__indicator {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .checkout-auth *,
    .checkout-auth *::before,
    .checkout-auth *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   HIDE DEFAULT WOOCOMMERCE LOGIN TOGGLE
   ========================================================================== */

.woocommerce-form-login-toggle {
    display: none !important;
}

/* Se o usuario estiver logado, esconder a secao de auth */
body.logged-in .checkout-auth {
    display: none;
}