/**
 * Partner Kids Donations — Estilos del modal de donación v2.0
 *
 * Paleta basada en la identidad visual de Partner Kids.
 * Mobile-first, accesible, con animaciones suaves.
 *
 * @package PartnerKids\Donations
 */

/* ─── Variables de diseño ─── */
:root {
    --pkd-orange: #F26522;
    --pkd-orange-dark: #d9551a;
    --pkd-orange-light: #ff8a50;
    --pkd-green: #4A6D55;
    --pkd-green-light: #5f8a6c;
    --pkd-bg: #F9F9F9;
    --pkd-white: #FFFFFF;
    --pkd-text: #333333;
    --pkd-text-light: #666666;
    --pkd-border: #E0E0E0;
    --pkd-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --pkd-radius: 8px;
    --pkd-font: 'Montserrat', 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --pkd-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Overlay del modal ─── */
.pkd-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--pkd-transition), visibility var(--pkd-transition);
    padding: 1rem;
}

.pkd-modal-overlay.pkd-active {
    opacity: 1;
    visibility: visible;
}

/* ─── Contenedor del modal ─── */
.pkd-modal {
    position: relative;
    background: var(--pkd-white);
    border-radius: var(--pkd-radius);
    box-shadow: var(--pkd-shadow);
    max-width: 440px;
    width: 100%;
    padding: 2.5rem 2rem 2rem;
    transform: translateY(20px) scale(0.97);
    transition: transform var(--pkd-transition);
    font-family: var(--pkd-font);
    max-height: 90vh;
    overflow-y: auto;
}

.pkd-modal-overlay.pkd-active .pkd-modal {
    transform: translateY(0) scale(1);
}

/* ─── Botón cerrar ─── */
.pkd-modal__close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--pkd-bg);
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    color: var(--pkd-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--pkd-transition), color var(--pkd-transition);
}

.pkd-modal__close:hover,
.pkd-modal__close:focus-visible {
    background: var(--pkd-orange);
    color: var(--pkd-white);
    outline: none;
}

/* ─── Encabezado ─── */
.pkd-modal__header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pkd-modal__icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
    animation: pkd-pulse 2s ease-in-out infinite;
}

@keyframes pkd-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.pkd-modal__title {
    font-family: var(--pkd-font);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--pkd-green);
    margin: 0 0 0.5rem;
    line-height: 1.2;
}

.pkd-modal__subtitle {
    font-size: 0.9rem;
    color: var(--pkd-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ─── Toggle de Frecuencia (radio + label) ─── */
.pkd-frequency-toggle {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

/* Radio nativo: oculto visualmente, conserva funcionalidad */
.pkd-freq-radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Tarjeta — estado base */
.pkd-freq-label {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0.85rem 0.5rem 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: #f7f7f7;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
    box-sizing: border-box;
    min-width: 0;
}

.pkd-freq-label__icon {
    font-size: 1.5rem;
    line-height: 1;
    display: block;
    transition: transform 0.2s ease;
}

.pkd-freq-label__title {
    display: block;
    font-family: var(--pkd-font);
    font-size: 0.85rem;
    font-weight: 800;
    color: #888;
    line-height: 1.2;
    transition: color 0.2s ease;
}

.pkd-freq-label__sub {
    display: block;
    font-family: var(--pkd-font);
    font-size: 0.68rem;
    font-weight: 500;
    color: #bbb;
    line-height: 1;
    transition: color 0.2s ease;
}

/* Hover */
.pkd-freq-radio:not(:checked) + .pkd-freq-label:hover {
    border-color: #F26522;
    background: #fff5f0;
}

.pkd-freq-radio:not(:checked) + .pkd-freq-label:hover .pkd-freq-label__title {
    color: #F26522;
}

.pkd-freq-radio:not(:checked) + .pkd-freq-label:hover .pkd-freq-label__icon {
    transform: scale(1.12);
}

/* ══ SELECCIONADO — CSS puro, sin JS ══ */
.pkd-freq-radio:checked + .pkd-freq-label {
    border-color: #F26522;
    background: #F26522;
    box-shadow: 0 4px 16px rgba(242, 101, 34, 0.35);
}

.pkd-freq-radio:checked + .pkd-freq-label .pkd-freq-label__icon {
    transform: scale(1.1);
    filter: drop-shadow(0 1px 3px rgba(0,0,0,0.2));
}

.pkd-freq-radio:checked + .pkd-freq-label .pkd-freq-label__title {
    color: #ffffff;
}

.pkd-freq-radio:checked + .pkd-freq-label .pkd-freq-label__sub {
    color: rgba(255,255,255,0.8);
}

/* Focus accesible */
.pkd-freq-radio:focus-visible + .pkd-freq-label {
    outline: 3px solid #F26522;
    outline-offset: 2px;
}




/* ─── Montos rápidos ─── */
.pkd-modal__quick-amounts {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.pkd-quick-amount {
    flex: 1;
    padding: 0.875rem 0.5rem;
    border: 2px solid var(--pkd-border);
    border-radius: var(--pkd-radius);
    background: var(--pkd-white);
    font-family: var(--pkd-font);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pkd-text);
    cursor: pointer;
    transition: all var(--pkd-transition);
    text-align: center;
    white-space: nowrap;
}

.pkd-quick-amount:hover {
    border-color: var(--pkd-orange);
    color: var(--pkd-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(242, 101, 34, 0.15);
}

.pkd-quick-amount.pkd-selected,
.pkd-quick-amount[aria-pressed="true"] {
    background: var(--pkd-orange);
    border-color: var(--pkd-orange);
    color: var(--pkd-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(242, 101, 34, 0.3);
}

/* ─── Monto personalizado ─── */
.pkd-modal__custom-amount {
    margin-bottom: 1.25rem;
}

.pkd-modal__label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pkd-text);
    margin-bottom: 0.5rem;
}

.pkd-modal__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.pkd-modal__currency-sign {
    position: absolute;
    left: 14px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pkd-text-light);
    pointer-events: none;
}

.pkd-modal__input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2rem;
    border: 2px solid var(--pkd-border);
    border-radius: var(--pkd-radius);
    font-family: var(--pkd-font);
    font-size: 1rem;
    color: var(--pkd-text);
    background: var(--pkd-bg);
    transition: border-color var(--pkd-transition), box-shadow var(--pkd-transition);
    outline: none;
    box-sizing: border-box;
}

.pkd-modal__input:focus {
    border-color: var(--pkd-orange);
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.12);
    background: var(--pkd-white);
}

.pkd-modal__input::placeholder {
    color: #aaa;
}

.pkd-modal__hint {
    display: block;
    font-size: 0.78rem;
    color: var(--pkd-text-light);
    margin-top: 0.35rem;
}

/* ─── Error ─── */
.pkd-modal__error {
    background: #FFF0F0;
    border: 1px solid #FFCDD2;
    border-radius: var(--pkd-radius);
    color: #C62828;
    font-size: 0.85rem;
    padding: 0.65rem 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.pkd-modal__error[hidden] {
    display: none;
}

/* ─── Botón enviar ─── */
.pkd-modal__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: var(--pkd-radius);
    background: linear-gradient(135deg, var(--pkd-orange) 0%, var(--pkd-orange-light) 100%);
    color: var(--pkd-white);
    font-family: var(--pkd-font);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--pkd-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    box-shadow: 0 4px 15px rgba(242, 101, 34, 0.3);
}

.pkd-modal__submit:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--pkd-orange-dark) 0%, var(--pkd-orange) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 101, 34, 0.4);
}

.pkd-modal__submit:active:not(:disabled) {
    transform: translateY(0);
}

.pkd-modal__submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pkd-modal__submit-loading[hidden] {
    display: none;
}

/* ─── Nota mensual ─── */
.pkd-modal__monthly-note {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--pkd-green);
    background: #f0f7f3;
    border: 1px solid #c8dfd0;
    border-radius: var(--pkd-radius);
    padding: 0.55rem 0.85rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.pkd-modal__monthly-note[hidden] {
    display: none;
}

/* ─── Spinner ─── */
.pkd-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--pkd-white);
    border-radius: 50%;
    animation: pkd-spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes pkd-spin {
    to { transform: rotate(360deg); }
}

/* ─── Sello de confianza ─── */
.pkd-modal__trust {
    text-align: center;
    font-size: 0.8rem;
    color: var(--pkd-text-light);
    margin: 0;
}

/* ─── Botón trigger del shortcode ─── */
.pkd-donate-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    background: var(--pkd-orange);
    color: var(--pkd-white);
    font-family: var(--pkd-font);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--pkd-radius);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--pkd-transition);
    box-shadow: 0 4px 12px rgba(242, 101, 34, 0.25);
}

.pkd-donate-trigger:hover {
    background: var(--pkd-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(242, 101, 34, 0.35);
}

.pkd-donate-trigger:active {
    transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 480px) {
    .pkd-modal {
        padding: 2rem 1.25rem 1.5rem;
        max-width: 100%;
    }

    .pkd-modal__title {
        font-size: 1.35rem;
    }

    .pkd-frequency-toggle {
        flex-direction: row;
        gap: 0;
    }

    .pkd-freq-btn {
        font-size: 0.8rem;
        padding: 0.55rem 0.5rem;
    }

    .pkd-modal__quick-amounts {
        flex-direction: column;
        gap: 0.5rem;
    }

    .pkd-quick-amount {
        padding: 0.75rem;
    }
}