/*
  Estilos propios del catálogo de grupos de verbos.
  La tipografía, el header, el footer y la onda ya vienen de ../../css/hub.css.
  Aquí solo se agrega lo que es exclusivo de esta página.
*/

.main-content {
    padding-bottom: 32px;
}

/* =========================
   ENCABEZADO
========================== */

.verbs-hero {
    padding-block: 12px 8px;
}

.verbs-hero__title {
    position: relative;
    display: inline-block;
    margin: 0;
    color: var(--color-title);
    font-size: clamp(30px, 3.6vw, 48px);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.2;
}

.verbs-hero__underline {
    position: absolute;
    bottom: -8px;
    left: 2px;
    width: 130px;
    height: 7px;
    border-radius: 50%;
    border-top: 4px solid var(--color-turquoise);
    transform: rotate(-2deg);
}

.verbs-hero__text {
    margin: 20px 0 0;
    color: var(--color-text-secondary);
    font-size: clamp(15px, 1.55vw, 19px);
    line-height: 1.5;
}

/* =========================
   SECCIONES (Regular / Irregular)
========================== */

.verb-section {
    margin-top: 46px;
}

.verb-section__title {
    position: relative;
    display: inline-block;
    margin: 0 0 26px;
    color: var(--color-title);
    font-size: clamp(24px, 2.3vw, 32px);
    font-weight: 800;
    letter-spacing: -0.6px;
}

.verb-section__underline {
    position: absolute;
    bottom: -7px;
    left: 1px;
    width: 64px;
    height: 6px;
    border-radius: 50%;
    border-top: 4px solid var(--color-turquoise);
}

/* =========================
   CUADRÍCULA DE TARJETAS
========================== */

.verb-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (max-width: 1180px) {
    .verb-grid {
        gap: 14px;
    }
}

@media (max-width: 900px) {
    .verb-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .verb-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* =========================
   TARJETA DE GRUPO
   Cada <li> envuelve un <button> — así toda la tarjeta es
   activable con mouse y teclado sin anidar controles.
========================== */

.verb-card {
    min-width: 0;
}

.verb-card__button {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 192px;
    padding: 20px;
    border: none;
    border-radius: var(--radius-medium);
    background: var(--color-card);
    box-shadow: var(--shadow-card);
    color: inherit;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: box-shadow 200ms ease, transform 200ms ease;
}

.verb-card__button:hover,
.verb-card__button:focus-visible {
    z-index: 2;
    outline: none;
    box-shadow: 0 22px 44px color-mix(in srgb, var(--color-title) 15%, transparent);
    transform: translateY(-4px);
}

.verb-card__button:focus-visible {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-turquoise) 35%, transparent), 0 22px 44px color-mix(in srgb, var(--color-title) 15%, transparent);
}

/* Variación sutil de fondo para dar ritmo visual a la cuadrícula */
.verb-card--tint-lavender .verb-card__button {
    --completed-gradient: linear-gradient(145deg, var(--color-lavender-light), var(--color-lavender));
    background: linear-gradient(150deg, var(--color-card) 55%, var(--color-lavender-light) 180%);
}

.verb-card--tint-turquoise .verb-card__button {
    --completed-gradient: linear-gradient(145deg, var(--color-blue-light), var(--color-turquoise));
    background: linear-gradient(150deg, var(--color-card) 55%, var(--color-blue-light) 180%);
}

.verb-card--tint-green .verb-card__button {
    --completed-gradient: linear-gradient(145deg, var(--color-green-light), var(--color-green));
    background: linear-gradient(150deg, var(--color-card) 55%, var(--color-green-light) 180%);
}

/* Tarjeta destacada: "Essential verbs" en cada sección */
.verb-card--featured .verb-card__button {
    --completed-gradient: linear-gradient(145deg, var(--color-green) 20%, var(--color-turquoise));
    background: linear-gradient(145deg, var(--color-green-light), var(--color-green));
}

.verb-card--completed .verb-card__button {
    background: var(--completed-gradient);
}

.verb-card--completed .verb-card__label,
.verb-card--completed .verb-card__examples,
.verb-card--completed .verb-card__count {
    color: var(--color-title);
}

.verb-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.verb-card__label {
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.4px;
}

.verb-card__icon {
    flex: none;
    width: 26px;
    height: 26px;
}

.verb-card__badge {
    align-self: flex-start;
    margin-top: 8px;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--color-title);
    color: var(--color-card);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.verb-card__title {
    margin: 12px 0 6px;
    color: var(--color-title);
    font-size: clamp(18px, 1.84vw, 22px);
    font-weight: 800;
    letter-spacing: -0.3px;
    line-height: 1.25;
}

.verb-card__examples {
    margin: 0 0 auto;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.5;
    font-style: italic;
}

.verb-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 4px;
}

.verb-card__count {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.verb-card__arrow {
    display: grid;
    flex: none;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 50%;
    background: var(--color-card);
    box-shadow: var(--shadow-button);
    color: var(--color-title);
    transition: transform 180ms ease;
}

.verb-card__arrow svg {
    width: 15px;
    height: 15px;
}

.verb-card__button:hover .verb-card__arrow,
.verb-card__button:focus-visible .verb-card__arrow {
    transform: translateX(3px);
}

/* =========================
   MENSAJE DE ERROR Y AVISO "PRÓXIMAMENTE"
========================== */

.verb-catalog__error {
    margin-top: 24px;
    padding: 16px 20px;
    border-radius: 14px;
    background: var(--color-lavender-light);
    color: var(--color-title);
    font-size: 14px;
}

.verb-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 20;
    margin: 0;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--color-title);
    color: var(--color-card);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-button);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity 200ms ease, transform 200ms ease, visibility 200ms;
}

.verb-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: reduce) {
    .verb-card__button,
    .verb-card__arrow,
    .verb-toast {
        transition: none;
    }

    .verb-card__button:hover,
    .verb-card__button:focus-visible {
        transform: none;
    }
}