/**
 * DSC Funnels — Estilos públicos (landing + thank-you N1/N2)
 *
 * Cubre TODO el HTML que emite el motor, no el HTML libre de la campaña:
 *   - Formulario:  .dsc-funnel-form / .dsc-funnel-field / .dsc-funnel-terms /
 *                  .dsc-funnel-submit / .dsc-funnel-msg / .req / .dsc-funnel-hp
 *                  (ver includes/public/class-landing-renderer.php::render_form)
 *   - Thank-you:   .dscf-wrap / .dscf-card / .dscf-btn / .dscf-gift
 *                  (public/templates/thankyou-n1.php y thankyou-n2.php)
 *
 * REGLAS DE LA HOJA
 * 1. Especificidad BAJA a propósito (una clase, o clase + elemento). El
 *    `landing_css` de cada campaña se inyecta DESPUÉS en el documento, así que
 *    con la misma especificidad la campaña siempre gana. Sin !important salvo
 *    en el honeypot y en prefers-reduced-motion.
 * 2. Cero color repetido: todo sale de las variables `--dscf-*` de :root. Una
 *    campaña cambia su paleta redefiniendo :root (o .dsc-funnel-form) en su
 *    `landing_css`, sin tocar una sola regla de este archivo.
 * 3. El objetivo es que una campaña NUEVA se vea presentable sin escribir CSS.
 *
 * @package DSC_Funnels
 * @since   1.7.0
 */

/* ==========================================================================
   1. Variables de marca
   ========================================================================== */
:root {
    /* Marca DSC — paleta aprobada "Deep Ink + Signal Amber".
       El CTA va en ámbar con texto ink: es el color de conversión. */
    --dscf-accent: #F5A623;
    --dscf-accent-dark: #DB8E12;
    --dscf-on-accent: #0C1B2A;

    --dscf-brand: #143A5A;   /* navy-700 DSC */
    --dscf-brand-dark: #10263A;   /* ink-800 */
    --dscf-brand-light: #EAF1F8;   /* mist */
    --dscf-brand-contrast: #FFFFFF;

    /* Texto y superficies */
    --dscf-ink: #16202B;   /* charcoal */
    --dscf-muted: #566274;   /* muted */
    --dscf-line: #E6E3DC;   /* line */
    --dscf-surface: #FFFFFF;
    --dscf-bg: #F7F6F3;   /* paper */
    --dscf-disabled-bg: #F1EFEA;

    /* Estados */
    --dscf-error: #D64545;
    --dscf-error-bg: #FBEDED;
    --dscf-error-line: #F0C9C9;
    --dscf-success: #3F7D5B;
    --dscf-success-bg: #EDF4F0;
    --dscf-success-line: #C7DED2;

    /* Tipografía y forma */
    --dscf-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --dscf-font-size: 16px;
    --dscf-line-height: 1.55;
    --dscf-radius: 10px;
    --dscf-radius-sm: 8px;

    /* Espaciado */
    --dscf-gap: 18px;
    --dscf-gap-sm: 8px;
    --dscf-pad: 32px;

    /* Sombras y foco */
    --dscf-shadow: 0 2px 12px rgba(0, 0, 0, .06);
    --dscf-shadow-btn: 0 8px 18px -10px rgba(0, 0, 0, .45);
    --dscf-ring: 0 0 0 4px rgba(0, 169, 157, .22);
    --dscf-ring-error: 0 0 0 4px rgba(192, 57, 43, .18);

    /* Transiciones (se anulan en prefers-reduced-motion) */
    --dscf-t: .18s ease;
}

/* El anillo de foco se deriva del color de marca cuando el navegador soporta
   color-mix: así una campaña que cambie --dscf-brand cambia también su foco. */
@supports (color: color-mix(in srgb, red 50%, transparent)) {
    :root {
        --dscf-ring: 0 0 0 4px color-mix(in srgb, var(--dscf-brand) 22%, transparent);
        --dscf-ring-error: 0 0 0 4px color-mix(in srgb, var(--dscf-error) 18%, transparent);
    }
}

/* ==========================================================================
   2. Página completa (thank-you N1/N2 y landings que usen el wrapper)
   --------------------------------------------------------------------------
   Las plantillas de agradecimiento son documentos HTML propios (no pasan por
   el theme). `body.dscf-page` da la base; `.dscf-wrap` la repite para que la
   página se vea bien aunque el <body> no lleve la clase.
   ========================================================================== */
body.dscf-page {
    margin: 0;
    padding: 0;
    background: var(--dscf-bg);
    color: var(--dscf-ink);
    font-family: var(--dscf-font);
    font-size: var(--dscf-font-size);
    line-height: var(--dscf-line-height);
    -webkit-font-smoothing: antialiased;
}

.dscf-wrap {
    box-sizing: border-box;
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 20px;
    color: var(--dscf-ink);
    font-family: var(--dscf-font);
    line-height: var(--dscf-line-height);
}

.dscf-wrap *,
.dsc-funnel-form * {
    box-sizing: border-box;
}

.dscf-card {
    background: var(--dscf-surface);
    border: 1px solid var(--dscf-line);
    border-radius: var(--dscf-radius);
    padding: var(--dscf-pad);
    box-shadow: var(--dscf-shadow);
}

.dscf-card h1 {
    margin: 0 0 12px;
    color: var(--dscf-brand);
    font-size: 26px;
    line-height: 1.25;
    font-weight: 700;
}

.dscf-card h2 {
    margin: 24px 0 10px;
    color: var(--dscf-ink);
    font-size: 19px;
    line-height: 1.3;
    font-weight: 700;
}

.dscf-card p {
    margin: 0 0 14px;
    color: var(--dscf-ink);
}

.dscf-card p:last-child {
    margin-bottom: 0;
}

.dscf-card a {
    color: var(--dscf-brand-dark);
}

/* Texto secundario / nota al pie de tarjeta */
.dscf-note {
    margin-top: 18px;
    color: var(--dscf-muted);
    font-size: 13px;
    line-height: 1.5;
}

/* Bloque de regalos N1 (checklist + video) */
.dscf-gift {
    display: flex;
    flex-wrap: wrap;
    gap: var(--dscf-gap-sm);
    margin: 24px 0;
}

/* Fila de acciones al pie de la tarjeta */
.dscf-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--dscf-gap-sm);
    margin-top: 28px;
}

/* --------------------------------------------------------------------------
   Botón de las páginas de agradecimiento (.dscf-btn)
   -------------------------------------------------------------------------- */
.dscf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--dscf-gap-sm);
    margin: 0;
    padding: 13px 22px;
    border: 0;
    border-radius: var(--dscf-radius-sm);
    background: var(--dscf-brand);
    color: var(--dscf-brand-contrast);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--dscf-shadow-btn);
    transition: background var(--dscf-t), transform var(--dscf-t), box-shadow var(--dscf-t);
    -webkit-tap-highlight-color: transparent;
}

.dscf-btn:hover {
    background: var(--dscf-brand-dark);
    color: var(--dscf-brand-contrast);
    transform: translateY(-1px);
}

.dscf-btn:active {
    transform: translateY(0);
}

.dscf-btn:focus-visible {
    outline: 2px solid transparent;
    box-shadow: var(--dscf-ring);
}

/* Variante secundaria: `.secondary` es la que ya emiten las plantillas;
   `--secondary` queda como alias para HTML nuevo. */
.dscf-btn.secondary,
.dscf-btn--secondary {
    background: var(--dscf-ink);
}

.dscf-btn.secondary:hover,
.dscf-btn--secondary:hover {
    background: #000;
}

/* Variante fantasma (enlaces de bajo énfasis) */
.dscf-btn--ghost {
    background: transparent;
    color: var(--dscf-brand-dark);
    border: 1.5px solid var(--dscf-line);
    box-shadow: none;
}

.dscf-btn--ghost:hover {
    background: var(--dscf-brand-light);
    color: var(--dscf-brand-dark);
    border-color: var(--dscf-brand);
}

.dscf-btn[hidden] {
    display: none;
}

/* ==========================================================================
   3. Formulario del embudo (.dsc-funnel-form)
   ========================================================================== */
.dsc-funnel-form {
    display: block;
    max-width: 560px;
    margin: 24px 0 0;
    color: var(--dscf-ink);
    font-family: var(--dscf-font);
    font-size: var(--dscf-font-size);
    line-height: var(--dscf-line-height);
    text-align: left;
}

/* Dentro de una tarjeta de agradecimiento el form ocupa todo el ancho. */
.dscf-card .dsc-funnel-form {
    max-width: none;
}

/* ==========================================================================
   4. Campos (.dsc-funnel-field — el renderer emite un <p> por campo)
   ========================================================================== */
.dsc-funnel-field {
    display: block;
    margin: 0 0 var(--dscf-gap);
    padding: 0;
}

.dsc-funnel-field label {
    display: block;
    margin: 0 0 6px;
    color: var(--dscf-ink);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
}

/* Asterisco de campo obligatorio */
.req {
    color: var(--dscf-error);
    font-weight: 700;
}

.dsc-funnel-field input,
.dsc-funnel-field select,
.dsc-funnel-field textarea {
    display: block;
    width: 100%;
    margin: 0;
    padding: 13px 14px;
    border: 1.5px solid var(--dscf-line);
    border-radius: var(--dscf-radius-sm);
    background: var(--dscf-surface);
    color: var(--dscf-ink);
    font-family: inherit;
    /* 16px evita el zoom automático de iOS al enfocar. */
    font-size: 16px;
    line-height: 1.4;
    transition: border-color var(--dscf-t), box-shadow var(--dscf-t);
}

.dsc-funnel-field input:hover,
.dsc-funnel-field select:hover,
.dsc-funnel-field textarea:hover {
    border-color: var(--dscf-muted);
}

.dsc-funnel-field input:focus,
.dsc-funnel-field select:focus,
.dsc-funnel-field textarea:focus {
    outline: 2px solid transparent;
    outline-offset: 0;
    border-color: var(--dscf-brand);
    box-shadow: var(--dscf-ring);
}

.dsc-funnel-field input::placeholder,
.dsc-funnel-field textarea::placeholder {
    color: #9aa4b0;
    opacity: 1;
}

.dsc-funnel-field input:disabled,
.dsc-funnel-field select:disabled,
.dsc-funnel-field textarea:disabled {
    background: var(--dscf-disabled-bg);
    color: var(--dscf-muted);
    cursor: not-allowed;
}

.dsc-funnel-field textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select con flecha propia (evita el look nativo dispar entre navegadores). */
.dsc-funnel-field select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235b6470' d='M6 8.5 1 3.5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

/* El renderer añade además un modificador por tipo al mismo <p>:
   .dsc-funnel-field-text / -email / -tel / -select / -textarea.
   No se estilan aquí a propósito: quedan como gancho libre para el
   `landing_css` de cada campaña (p. ej. poner dos campos en una fila). */

/* Estado inválido (lo pone funnel.js tras validar en blur/submit) */
.dsc-funnel-field.has-error label {
    color: var(--dscf-error);
}

.dsc-funnel-field input.is-invalid,
.dsc-funnel-field select.is-invalid,
.dsc-funnel-field textarea.is-invalid {
    border-color: var(--dscf-error);
    background: var(--dscf-surface);
}

.dsc-funnel-field input.is-invalid:focus,
.dsc-funnel-field select.is-invalid:focus,
.dsc-funnel-field textarea.is-invalid:focus {
    border-color: var(--dscf-error);
    box-shadow: var(--dscf-ring-error);
}

/* ==========================================================================
   5. Error por campo (.dsc-funnel-error — lo crea funnel.js junto al input)
   ========================================================================== */
.dsc-funnel-error {
    display: none;
    margin: 6px 0 0;
    color: var(--dscf-error);
    font-size: 13px;
    line-height: 1.4;
    font-weight: 600;
}

.dsc-funnel-error.is-visible {
    display: block;
    animation: dscf-fade-up .22s ease both;
}

/* ==========================================================================
   6. Aceptación de términos (.dsc-funnel-terms — es un <label> con checkbox)
   ========================================================================== */
.dsc-funnel-terms {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0 0 var(--dscf-gap);
    color: var(--dscf-muted);
    font-size: 13.5px;
    line-height: 1.5;
    cursor: pointer;
}

.dsc-funnel-terms input[type="checkbox"] {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
    accent-color: var(--dscf-brand);
    cursor: pointer;
}

.dsc-funnel-terms input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--dscf-brand);
    outline-offset: 2px;
}

.dsc-funnel-terms a {
    color: var(--dscf-brand-dark);
    text-decoration: underline;
}

.dsc-funnel-terms.has-error {
    color: var(--dscf-error);
}

.dsc-funnel-terms.has-error input[type="checkbox"] {
    outline: 2px solid var(--dscf-error);
    outline-offset: 2px;
}

/* El error del checkbox se pinta debajo del bloque completo. */
.dsc-funnel-terms + .dsc-funnel-error {
    margin: -10px 0 var(--dscf-gap);
}

/* ==========================================================================
   7. Honeypot (.dsc-funnel-hp) — red de seguridad
   --------------------------------------------------------------------------
   El renderer ya lo oculta con estilos en línea; estas reglas garantizan que
   siga invisible si algún día se quitan (y que nadie lo vea nunca).
   ========================================================================== */
.dsc-funnel-hp {
    position: absolute !important;
    left: -5000px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ==========================================================================
   8. Botón de envío (.dsc-funnel-submit) + estado de carga
   ========================================================================== */
.dsc-funnel-submit {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--dscf-gap-sm);
    width: 100%;
    margin: 4px 0 0;
    padding: 15px 24px;
    border: 0;
    border-radius: var(--dscf-radius-sm);
    background: var(--dscf-accent);
    color: var(--dscf-on-accent);
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--dscf-shadow-btn);
    transition: background var(--dscf-t), transform var(--dscf-t), box-shadow var(--dscf-t), opacity var(--dscf-t);
    -webkit-tap-highlight-color: transparent;
}

.dsc-funnel-submit:hover {
    background: var(--dscf-brand-dark);
    color: var(--dscf-brand-contrast);
    transform: translateY(-1px);
}

.dsc-funnel-submit:active {
    transform: translateY(0);
}

/**
 * Boton de destino cuando el pase ya salio por correo.
 *
 * Es secundario a proposito: en ese momento lo que manda es "revisa tu buzon", y este
 * boton es la alternativa para quien prefiere entrar con su contrasena. Va perfilado, no
 * relleno, para no competir con el aviso — pero sigue siendo un boton, con su area
 * pulsable y su contraste declarado, porque desde que no hay salto automatico es la UNICA
 * forma de seguir desde esta pantalla.
 */
.dsc-funnel-go-secundario {
    background: transparent;
    color: var(--dscf-brand-dark);
    border: 2px solid var(--dscf-brand-dark);
    font-weight: 600;
}

.dsc-funnel-go-secundario:hover {
    background: var(--dscf-brand-dark);
    color: var(--dscf-brand-contrast);
}

.dsc-funnel-submit:focus-visible {
    outline: 2px solid transparent;
    box-shadow: var(--dscf-ring);
}

.dsc-funnel-submit:disabled,
.dsc-funnel-submit[aria-disabled="true"] {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}

/* Estado de envío: el texto se oculta y aparece el spinner centrado. */
.dsc-funnel-submit.is-loading {
    color: transparent;
    pointer-events: none;
}

.dsc-funnel-submit.is-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, .35);
    border-top-color: var(--dscf-brand-contrast);
    border-radius: 50%;
    animation: dscf-spin .75s linear infinite;
}

.dsc-funnel-submit[hidden] {
    display: none;
}

/* Enlace de desbloqueo de la conferencia (N2). Lo inyecta funnel.js con la
   clase .dsc-funnel-conf + .dsc-funnel-submit. */
.dsc-funnel-conf {
    margin-top: 16px;
    background: var(--dscf-brand-dark);
}

.dsc-funnel-conf:hover {
    background: var(--dscf-brand);
}

/* ==========================================================================
   9. Mensaje global del formulario (.dsc-funnel-msg)
   ========================================================================== */
.dsc-funnel-msg {
    display: none;
    margin: 16px 0 0;
    padding: 13px 15px;
    border: 1px solid var(--dscf-line);
    border-radius: var(--dscf-radius-sm);
    background: var(--dscf-bg);
    color: var(--dscf-ink);
    font-size: 14.5px;
    line-height: 1.5;
    font-weight: 600;
}

.dsc-funnel-msg.is-visible {
    display: block;
    animation: dscf-fade-up .28s ease both;
}

.dsc-funnel-msg.is-error {
    background: var(--dscf-error-bg);
    border-color: var(--dscf-error-line);
    color: var(--dscf-error);
}

.dsc-funnel-msg.is-success {
    background: var(--dscf-success-bg);
    border-color: var(--dscf-success-line);
    color: var(--dscf-success);
}

/* ==========================================================================
   10. Estados del formulario completo
   ========================================================================== */
.dsc-funnel-form.is-sending .dsc-funnel-field input,
.dsc-funnel-form.is-sending .dsc-funnel-field select,
.dsc-funnel-form.is-sending .dsc-funnel-field textarea {
    opacity: .8;
}

/* Tras un envío exitoso el formulario queda bloqueado (funnel.js deshabilita
   los controles); atenuamos los campos pero NO el mensaje de éxito. */
.dsc-funnel-form.is-done .dsc-funnel-field,
.dsc-funnel-form.is-done .dsc-funnel-terms {
    opacity: .55;
}

.dsc-funnel-form.is-done .dsc-funnel-msg,
.dsc-funnel-form.is-done .dsc-funnel-conf {
    opacity: 1;
}

/* ==========================================================================
   11. Utilidad: solo para lectores de pantalla
   ========================================================================== */
.dscf-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   12. Animaciones
   ========================================================================== */
@keyframes dscf-spin {
    to { transform: rotate(360deg); }
}

@keyframes dscf-fade-up {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

/* ==========================================================================
   13. Responsive
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --dscf-pad: 24px;
        --dscf-gap: 16px;
    }

    .dscf-wrap {
        padding: 28px 16px;
    }

    .dscf-card h1 {
        font-size: 23px;
    }

    .dsc-funnel-form {
        max-width: none;
    }
}

@media (max-width: 480px) {
    :root {
        --dscf-pad: 20px;
        --dscf-radius: 12px;
    }

    .dscf-wrap {
        padding: 20px 12px;
    }

    .dscf-card {
        padding: var(--dscf-pad);
    }

    .dscf-card h1 {
        font-size: 21px;
    }

    /* Botones a ancho completo: en móvil se tocan mejor y evitan el wrap raro. */
    .dscf-gift,
    .dscf-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .dscf-btn {
        width: 100%;
        padding: 14px 18px;
    }

    .dsc-funnel-field input,
    .dsc-funnel-field select,
    .dsc-funnel-field textarea {
        padding: 12px 13px;
    }

    .dsc-funnel-submit {
        padding: 14px 18px;
    }

    .dsc-funnel-terms {
        font-size: 13px;
    }
}

/* ==========================================================================
   14. Accesibilidad — movimiento reducido y alto contraste
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .dscf-btn,
    .dsc-funnel-submit,
    .dsc-funnel-field input,
    .dsc-funnel-field select,
    .dsc-funnel-field textarea,
    .dsc-funnel-msg,
    .dsc-funnel-error {
        transition: none !important;
        animation: none !important;
    }

    .dscf-btn:hover,
    .dsc-funnel-submit:hover {
        transform: none !important;
    }

    /* El spinner sigue existiendo como señal visual, pero sin girar. */
    .dsc-funnel-submit.is-loading::after {
        animation: none !important;
        border-top-color: rgba(255, 255, 255, .85);
    }
}

@media (prefers-contrast: more) {
    .dsc-funnel-field input,
    .dsc-funnel-field select,
    .dsc-funnel-field textarea {
        border-width: 2px;
        border-color: var(--dscf-ink);
    }

    .dsc-funnel-msg {
        border-width: 2px;
    }
}

@media (forced-colors: active) {
    .dsc-funnel-submit,
    .dscf-btn {
        border: 1px solid ButtonText;
    }

    .dsc-funnel-submit.is-loading::after {
        border-color: ButtonText;
        border-top-color: Canvas;
    }
}
