/**
 * FTSP Glosario — Frontend Styles
 * Design DNA: Vibrant, human-centered, institutionally modern
 * Colors via CSS variables from FTSP Institucional palette
 */

/* ══════════════════════════════════════════════
   WRAPPER — Cohesive app container
   ══════════════════════════════════════════════ */
.ftsp-glos-wrapper {
    font-family: 'Nunito', sans-serif;
    max-width: 960px;
    margin: 0 auto;
}

/* ══════════════════════════════════════════════
   SEARCH BAR — Hero element, Google-style
   ══════════════════════════════════════════════ */
.ftsp-glos-search {
    margin-bottom: 32px;
}

.ftsp-glos-search__inner {
    position: relative;
    max-width: 100%;
}

.ftsp-glos-search__icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
    pointer-events: none;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
}

.ftsp-glos-search__icon svg {
    width: 20px;
    height: 20px;
}

.ftsp-glos-search__input {
    width: 100%;
    padding: 18px 24px 18px 56px;
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 17px;
    font-family: 'Nunito', sans-serif;
    font-weight: 500;
    color: var(--gris-oscuro-ftsp, #606060);
    background: #fafafa;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.ftsp-glos-search__input:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.ftsp-glos-search__input:focus {
    outline: none;
    background: var(--blanco-ftsp, #ffffff);
    border-color: var(--fuccia-ftsp, #d13a78);
    box-shadow: 0 4px 20px rgba(209, 58, 120, 0.15), 0 0 0 3px rgba(209, 58, 120, 0.08);
}

.ftsp-glos-search__input:focus ~ .ftsp-glos-search__icon,
.ftsp-glos-search__inner:focus-within .ftsp-glos-search__icon {
    color: var(--fuccia-ftsp, #d13a78);
}

.ftsp-glos-search__input::placeholder {
    color: #b0b0b0;
    font-weight: 400;
}

/* ══════════════════════════════════════════════
   CATEGORY TABS — Vibrant pills with color dots
   ══════════════════════════════════════════════ */
.ftsp-glos-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.ftsp-glos-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 22px;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    background: var(--blanco-ftsp, #ffffff);
    font-size: 14px;
    font-weight: 600;
    font-family: 'Nunito', sans-serif;
    color: var(--gris-oscuro-ftsp, #606060);
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
}

.ftsp-glos-cat-btn:hover {
    border-color: var(--fuccia-ftsp, #d13a78);
    color: var(--fuccia-ftsp, #d13a78);
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(209, 58, 120, 0.12);
}

.ftsp-glos-cat-btn:focus-visible {
    outline: 2px solid var(--fuccia-ftsp, #d13a78);
    outline-offset: 2px;
}

/* Active pill — magenta solid with shadow */
.ftsp-glos-cat-btn--active {
    background: var(--fuccia-ftsp, #d13a78);
    border-color: var(--fuccia-ftsp, #d13a78);
    color: var(--blanco-ftsp, #ffffff);
    box-shadow: 0 3px 12px rgba(209, 58, 120, 0.3);
}

.ftsp-glos-cat-btn--active:hover {
    background: var(--naranja-ftsp, #ef7c5d);
    border-color: var(--naranja-ftsp, #ef7c5d);
    color: var(--blanco-ftsp, #ffffff);
    box-shadow: 0 3px 12px rgba(239, 124, 93, 0.3);
}

/* Color dots for category differentiation via ::before */
.ftsp-glos-cat-btn:not(:first-child)::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gris-oscuro-ftsp, #606060);
    flex-shrink: 0;
}

/* Category-specific dot colors — data-cat attribute matching */
.ftsp-glos-cat-btn[data-cat="General"]::before {
    background: var(--verde-ftsp, #57bab7);
}

.ftsp-glos-cat-btn[data-cat="Energía"]::before,
.ftsp-glos-cat-btn[data-cat="Energia"]::before {
    background: var(--naranja-ftsp, #ef7c5d);
}

.ftsp-glos-cat-btn[data-cat="Obras y Construcción"]::before,
.ftsp-glos-cat-btn[data-cat="Obras y Construccion"]::before {
    background: #a1569d;
}

/* Active pill dots become white */
.ftsp-glos-cat-btn--active::before {
    background: rgba(255, 255, 255, 0.7) !important;
}

/* ══════════════════════════════════════════════
   A-Z INDEX — Visual letter squares
   ══════════════════════════════════════════════ */
.ftsp-glos-az {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 28px;
    padding: 16px 0;
    border-top: 2px solid var(--fuccia-ftsp, #d13a78);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.ftsp-glos-az-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    color: var(--gris-oscuro-ftsp, #606060);
    background: rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
    cursor: pointer;
}

.ftsp-glos-az-letter:hover:not(.ftsp-glos-az-letter--disabled) {
    background: var(--verde-ftsp, #57bab7);
    color: var(--blanco-ftsp, #ffffff);
    box-shadow: 0 2px 8px rgba(87, 186, 183, 0.3);
    transform: translateY(-1px);
}

.ftsp-glos-az-letter:focus-visible {
    outline: 2px solid var(--verde-ftsp, #57bab7);
    outline-offset: 2px;
}

.ftsp-glos-az-letter--active {
    background: var(--fuccia-ftsp, #d13a78);
    color: var(--blanco-ftsp, #ffffff);
    box-shadow: 0 2px 8px rgba(209, 58, 120, 0.25);
}

.ftsp-glos-az-letter--active:hover {
    background: var(--fuccia-ftsp, #d13a78);
    color: var(--blanco-ftsp, #ffffff);
}

.ftsp-glos-az-letter--disabled {
    color: #d0d0d0;
    background: transparent;
    cursor: default;
    pointer-events: none;
}

/* ══════════════════════════════════════════════
   RESULTS COUNT — Subtle badge
   ══════════════════════════════════════════════ */
.ftsp-glos-count {
    margin-bottom: 24px;
}

.ftsp-glos-count p {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gris-oscuro-ftsp, #606060);
    margin: 0;
    padding: 6px 14px;
    background: var(--gris-ftsp, #f4f2f4);
    border-radius: 6px;
    border-left: 3px solid var(--fuccia-ftsp, #d13a78);
}

/* ══════════════════════════════════════════════
   LETTER GROUPS — Dramatic headings
   ══════════════════════════════════════════════ */
.ftsp-glos-terms {
    position: relative;
}

.ftsp-glos-letter-group {
    margin-bottom: 16px;
}

.ftsp-glos-letter-group + .ftsp-glos-letter-group {
    margin-top: 48px;
}

.ftsp-glos-letter-heading {
    font-size: var(--text-xl, 2.5rem);
    font-weight: 900;
    color: var(--fuccia-ftsp, #d13a78);
    margin: 0 0 16px;
    padding: 0 0 12px 16px;
    border-left: 4px solid var(--fuccia-ftsp, #d13a78);
    border-bottom: none;
    line-height: 1;
    position: relative;
}

.ftsp-glos-letter-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--fuccia-ftsp, #d13a78) 0%, transparent 80%);
}

/* ══════════════════════════════════════════════
   TERM ACCORDION — Interactive items
   ══════════════════════════════════════════════ */
.ftsp-glos-term {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 3px solid transparent;
    transition: all 0.25s ease;
    border-radius: 0 4px 4px 0;
}

.ftsp-glos-term:hover {
    background: rgba(244, 242, 244, 0.5);
}

.ftsp-glos-term--open {
    border-left-color: var(--fuccia-ftsp, #d13a78);
    background: rgba(209, 58, 120, 0.02);
}

.ftsp-glos-term__toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 16px 16px 16px 12px;
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    font-family: 'Nunito', sans-serif;
    gap: 12px;
    transition: all 0.2s ease;
}

.ftsp-glos-term__toggle:focus-visible {
    outline: 2px solid var(--fuccia-ftsp, #d13a78);
    outline-offset: -2px;
    border-radius: 4px;
}

.ftsp-glos-term__name {
    font-size: 16px;
    font-weight: 700;
    color: var(--gris-oscuro-ftsp, #606060);
    flex: 1;
    transition: color 0.2s ease;
}

.ftsp-glos-term__toggle:hover .ftsp-glos-term__name {
    color: var(--fuccia-ftsp, #d13a78);
}

.ftsp-glos-term--open .ftsp-glos-term__name {
    color: var(--fuccia-ftsp, #d13a78);
}

.ftsp-glos-term__meta {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.ftsp-glos-term__cat {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--fuccia-ftsp, #d13a78);
    background: rgba(209, 58, 120, 0.08);
    padding: 4px 12px;
    border-radius: 50px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ftsp-glos-term__arrow {
    font-size: 16px;
    color: #bbb;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gris-ftsp, #f4f2f4);
}

.ftsp-glos-term__toggle:hover .ftsp-glos-term__arrow {
    background: rgba(209, 58, 120, 0.08);
    color: var(--fuccia-ftsp, #d13a78);
}

.ftsp-glos-term--open .ftsp-glos-term__arrow {
    transform: rotate(90deg);
    color: var(--blanco-ftsp, #ffffff);
    background: var(--fuccia-ftsp, #d13a78);
}

/* ══════════════════════════════════════════════
   DEFINITION — Expanded content area
   ══════════════════════════════════════════════ */
.ftsp-glos-term__def {
    padding: 16px 24px 20px 24px;
    margin: 0 12px 8px 12px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--gris-oscuro-ftsp, #606060);
    border-left: 4px solid var(--fuccia-ftsp, #d13a78);
    background: linear-gradient(135deg, var(--blanco-ftsp, #ffffff) 0%, var(--gris-ftsp, #f4f2f4) 100%);
    border-radius: 0 8px 8px 0;
    max-width: 800px;
    /* Smooth expand via animation */
    animation: ftsp-glos-slideDown 0.3s ease forwards;
}

.ftsp-glos-term__def p {
    margin: 0;
}

@keyframes ftsp-glos-slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ══════════════════════════════════════════════
   HIDDEN STATE — Managed by JS
   ══════════════════════════════════════════════ */
.ftsp-glos-hidden {
    display: none !important;
}

/* ══════════════════════════════════════════════
   EMPTY STATE — Centered with visual weight
   ══════════════════════════════════════════════ */
.ftsp-glos-empty {
    text-align: center;
    padding: 80px 24px;
    position: relative;
}

.ftsp-glos-empty::before {
    content: '?';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    font-size: 32px;
    font-weight: 900;
    color: var(--fuccia-ftsp, #d13a78);
    background: rgba(209, 58, 120, 0.08);
    border-radius: 50%;
    border: 2px solid rgba(209, 58, 120, 0.15);
}

.ftsp-glos-empty p {
    font-size: 18px;
    font-weight: 600;
    color: var(--gris-oscuro-ftsp, #606060);
    margin: 0;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* ══════════════════════════════════════════════
   RESPONSIVE — 768px breakpoint
   ══════════════════════════════════════════════ */
@media (max-width: 768px) {
    .ftsp-glos-search__input {
        font-size: 15px;
        padding: 14px 16px 14px 48px;
        border-radius: 10px;
    }

    .ftsp-glos-categories {
        gap: 8px;
        margin-bottom: 24px;
        padding-bottom: 24px;
    }

    .ftsp-glos-cat-btn {
        padding: 7px 16px;
        font-size: 13px;
    }

    .ftsp-glos-az {
        gap: 4px;
        padding: 12px 0;
    }

    .ftsp-glos-az-letter {
        width: 32px;
        height: 32px;
        font-size: 12px;
        border-radius: 6px;
    }

    .ftsp-glos-letter-group + .ftsp-glos-letter-group {
        margin-top: 36px;
    }

    .ftsp-glos-letter-heading {
        font-size: var(--text-l, 2rem);
        padding-left: 12px;
    }

    .ftsp-glos-term__toggle {
        flex-wrap: wrap;
        padding: 12px 12px 12px 8px;
    }

    .ftsp-glos-term__name {
        font-size: 15px;
        width: 100%;
    }

    .ftsp-glos-term__meta {
        order: 3;
    }

    .ftsp-glos-term__def {
        padding: 12px 16px 16px 16px;
        margin: 0 8px 8px 8px;
        font-size: 14px;
    }

    .ftsp-glos-empty {
        padding: 60px 20px;
    }

    .ftsp-glos-empty::before {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .ftsp-glos-empty p {
        font-size: 16px;
    }
}