/**
 * WooCommerce VAT Exempt Manager — Frontend CSS
 *
 * Design: Clean, professional, WooCommerce-compatible.
 * Typography: System font, clear hierarchy.
 * Color: Forest green accent (#16a34a) for active/trust states.
 */

/* Ensure the HTML `hidden` attribute always wins over any CSS display rules */
[hidden] {
    display: none !important;
}


/* =========================================================================
   CSS Custom Properties
   ========================================================================= */
:root {
    --vat-green: #16a34a;
    --vat-green-dark: #15803d;
    --vat-green-light: #f0fdf4;
    --vat-green-border: #bbf7d0;
    --vat-navy: #1e3a5f;
    --vat-text: #111827;
    --vat-muted: #6b7280;
    --vat-border: #d1d5db;
    --vat-bg: #ffffff;
    --vat-notice-bg: #f0fdf4;
    --vat-error: #dc2626;
    --vat-radius: 8px;
    --vat-radius-btn: 50px;
    --vat-shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);
    --vat-shadow-lg: 0 10px 40px rgba(0, 0, 0, .15);
    --vat-transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================================
   VAT Selector Wrap
   ========================================================================= */
.vat-selector-wrap {
    margin: 20px 0;
}

/* =========================================================================
   VAT Cards
   ========================================================================= */
.vat-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

@media (max-width: 480px) {
    .vat-cards {
        grid-template-columns: 1fr;
    }
}

.vat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    background: var(--vat-bg);
    border: 2px solid var(--vat-border);
    border-radius: var(--vat-radius);
    cursor: pointer;
    text-align: center;
    transition: var(--vat-transition);
    font-family: inherit;
    min-height: 110px;
    box-shadow: var(--vat-shadow);
}

.vat-card:hover {
    border-color: var(--vat-green);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.15);
}

.vat-card.is-active {
    border-color: var(--vat-green);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12), var(--vat-shadow);
}

/* Badge */
.vat-card__badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 4px 10px;
    background: var(--vat-green);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 0 0 0 8px;
    opacity: 0;
    transform: scale(0.85);
    transition: var(--vat-transition);
    pointer-events: none;
}

.vat-card.is-active .vat-card__badge {
    opacity: 1;
    transform: scale(1);
}

/* Label */
.vat-card__label {
    font-size: 13px;
    color: var(--vat-muted);
    font-weight: 500;
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

/* Price */
.vat-card__price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.vat-card__current {
    font-size: 28px;
    font-weight: 800;
    color: var(--vat-text);
    line-height: 1;
}

.vat-card__regular {
    font-size: 14px;
    color: var(--vat-muted);
    text-decoration: line-through;
}

/* =========================================================================
   VAT Exempt Notice
   ========================================================================= */
.vat-exempt-notice {
    display: none;
    padding: 16px 18px;
    background: var(--vat-notice-bg);
    border: 1px solid var(--vat-green-border);
    border-radius: var(--vat-radius);
    margin-bottom: 12px;
    animation: vatFadeSlideIn 0.3s ease both;
}

.vat-exempt-notice.vat-panel-visible {
    display: block;
}

.vat-exempt-notice__text {
    margin: 0 0 12px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--vat-text);
}

.vat-exempt-notice__text strong {
    color: var(--vat-green-dark);
}

/* =========================================================================
   VAT Confirmed State
   ========================================================================= */
.vat-exempt-confirmed {
    display: none;
    padding: 14px 18px;
    background: var(--vat-notice-bg);
    border: 1px solid var(--vat-green-border);
    border-radius: var(--vat-radius);
    margin-bottom: 12px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    animation: vatFadeSlideIn 0.3s ease both;
}

.vat-exempt-confirmed.vat-panel-visible {
    display: flex;
}

.vat-exempt-confirmed__text {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--vat-green-dark);
}

/* =========================================================================
   Buttons
   ========================================================================= */
.vat-btn-open-modal,
.vat-btn-submit {
    display: inline-block;
    padding: 12px 24px;
    background: var(--vat-navy);
    color: #fff !important;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: none;
    border-radius: var(--vat-radius-btn);
    cursor: pointer;
    transition: var(--vat-transition);
    text-align: center;
    white-space: nowrap;
}

.vat-btn-open-modal:hover,
.vat-btn-submit:hover {
    background: #162d4d;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(30, 58, 95, 0.3);
}

.vat-btn-submit {
    background: var(--vat-green);
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
}

.vat-btn-submit:hover {
    background: var(--vat-green-dark);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.vat-btn-submit:disabled {
    opacity: 0.6;
    cursor: wait;
    transform: none;
}

.vat-btn-change-details {
    background: transparent;
    border: 1.5px solid var(--vat-green);
    color: var(--vat-green-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--vat-radius-btn);
    cursor: pointer;
    transition: var(--vat-transition);
}

.vat-btn-change-details:hover {
    background: var(--vat-green);
    color: #fff;
}

/* =========================================================================
   Dynamic Price Shortcode
   ========================================================================= */
.vat-dynamic-price {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.vat-price-main {
    font-size: inherit;
    font-weight: 800;
    color: var(--vat-text);
    transition: var(--vat-transition);
}

.vat-price-strike {
    font-size: 0.8em;
    color: var(--vat-muted);
    text-decoration: line-through;
    transition: var(--vat-transition);
}

/* Modal overlay keep hidden attribute */
.vat-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(2px);
    animation: vatOverlayIn 0.2s ease both;
}

.vat-modal {
    background: var(--vat-bg);
    border-radius: 12px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--vat-shadow-lg);
    animation: vatModalIn 0.28s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* =========================================================================
   Modal Header
   ========================================================================= */
.vat-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}

.vat-modal__title {
    margin: 0;
    font-size: 20px;
    font-weight: 800;
    color: var(--vat-green-dark);
}

.vat-modal__close {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--vat-muted);
    font-size: 18px;
    line-height: 1;
    padding: 6px;
    border-radius: 50%;
    transition: var(--vat-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.vat-modal__close:hover {
    background: #f3f4f6;
    color: var(--vat-text);
}

/* =========================================================================
   Modal Body & Form
   ========================================================================= */
.vat-modal__body {
    padding: 20px 24px 24px;
}

.vat-declaration-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vat-form__row {
    display: grid;
    gap: 12px;
}

.vat-form__row--half {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 480px) {
    .vat-form__row--half {
        grid-template-columns: 1fr;
    }
}

.vat-form__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vat-form__field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--vat-text);
}

.vat-form__field label span[aria-hidden] {
    color: var(--vat-error);
    margin-left: 2px;
}

.vat-form__field input[type="text"],
.vat-form__field input[type="email"],
.vat-form__field select {
    width: 100%;
    padding: 11px 14px;
    background: #f9fafb;
    border: 1.5px solid var(--vat-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--vat-text);
    transition: var(--vat-transition);
    box-sizing: border-box;
    font-family: inherit;
}

.vat-form__field input:focus,
.vat-form__field select:focus {
    outline: none;
    border-color: var(--vat-green);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.vat-form__field input::placeholder {
    color: #9ca3af;
}

.vat-form__field select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
    cursor: pointer;
}

.vat-form__hint {
    font-size: 12px;
    color: var(--vat-muted);
    margin: 0;
}

.vat-form__statement {
    font-size: 13px;
    color: var(--vat-text);
    line-height: 1.6;
    margin: 0;
    padding: 12px 14px;
    background: #f9fafb;
    border-radius: 6px;
    border-left: 3px solid var(--vat-green);
}

/* Checkbox field */
.vat-form__field--checkbox {
    flex-direction: row;
    align-items: flex-start;
}

.vat-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1.5;
    color: var(--vat-text);
}

.vat-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    border: 1.5px solid var(--vat-border);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--vat-green);
    flex-shrink: 0;
}

.vat-checkbox-label a {
    color: var(--vat-green-dark);
    text-decoration: underline;
}

/* Error */
.vat-form__error {
    padding: 10px 14px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    color: var(--vat-error);
    font-size: 13px;
}

/* Actions */
.vat-form__actions {
    margin-top: 4px;
}

/* =========================================================================
   Animations
   ========================================================================= */
@keyframes vatFadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes vatOverlayIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes vatModalIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {

    .vat-card,
    .vat-card__badge,
    .vat-btn-open-modal,
    .vat-btn-submit,
    .vat-btn-change-details,
    .vat-exempt-notice,
    .vat-exempt-confirmed,
    .vat-modal-overlay,
    .vat-modal,
    .vat-price-main,
    .vat-price-strike {
        transition: none !important;
        animation: none !important;
    }
}