/*
 * Client People Filter
 * Phase I.3 — Interface & Responsive Polish
 *
 * Base palette is deliberately driven by CSS custom properties so it can be
 * tuned quickly to the client brand without changing component structure.
 */

.cpf {
    --cpf-accent: #1769ff;
    --cpf-accent-contrast: #ffffff;
    --cpf-text: #111111;
    --cpf-muted: rgba(17, 17, 17, .62);
    --cpf-border: rgba(17, 17, 17, .16);
    --cpf-border-strong: rgba(17, 17, 17, .28);
    --cpf-surface: rgba(255, 255, 255, .96);
    --cpf-surface-soft: rgba(255, 255, 255, .18);
    --cpf-radius: 12px;
    --cpf-radius-small: 8px;
    --cpf-shadow: 0 10px 30px rgba(0, 0, 0, .08);

    position: relative;
    width: 100%;
}

.cpf__form {
    display: grid;
    gap: 1.5rem;
}

.cpf__search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .75rem;
    align-items: stretch;
}

.cpf__search-input,
.cpf__select {
    width: 100%;
    min-height: 52px;
    border: 1px solid var(--cpf-border);
    border-radius: var(--cpf-radius-small);
    background: var(--cpf-surface);
    color: var(--cpf-text);
    font: inherit;
    line-height: 1.2;
    transition:
        border-color .18s ease,
        box-shadow .18s ease,
        background-color .18s ease;
}

.cpf__search-input {
    min-width: 0;
    padding: 0 1rem;
}

.cpf__search-input::placeholder {
    color: var(--cpf-muted);
}

.cpf__search-input:hover,
.cpf__select:hover {
    border-color: var(--cpf-border-strong);
}

.cpf__search-input:focus,
.cpf__select:focus {
    outline: 0;
    border-color: var(--cpf-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cpf-accent) 20%, transparent);
}

.cpf__submit,
.cpf__reset {
    min-height: 52px;
    border-radius: var(--cpf-radius-small);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    transition:
        transform .18s ease,
        box-shadow .18s ease,
        opacity .18s ease,
        background-color .18s ease;
}

.cpf__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 135px;
    padding: 0 1.5rem;
    border: 1px solid var(--cpf-accent);
    background: var(--cpf-accent);
    color: var(--cpf-accent-contrast);
    cursor: pointer;
}

.cpf__submit:hover,
.cpf__submit:focus-visible {
    opacity: .9;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px color-mix(in srgb, var(--cpf-accent) 24%, transparent);
}

.cpf__alphabet {
    display: grid;
    grid-template-columns: repeat(26, minmax(1.75rem, 1fr));
    gap: .25rem;
    align-items: center;
}

.cpf__letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 2.4rem;
    padding: .2rem;
    border-radius: 999px;
    color: var(--cpf-accent);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition:
        background-color .16s ease,
        color .16s ease,
        transform .16s ease;
}

.cpf__letter:hover,
.cpf__letter:focus-visible {
    background: color-mix(in srgb, var(--cpf-accent) 10%, transparent);
    transform: translateY(-1px);
}

.cpf__letter.is-active {
    background: var(--cpf-accent);
    color: var(--cpf-accent-contrast);
    text-decoration: none;
}

.cpf__selects {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.cpf__field {
    display: grid;
    gap: .45rem;
    min-width: 0;
}

.cpf__field-label {
    color: var(--cpf-text);
    font-size: .95rem;
    font-weight: 700;
}

.cpf__select {
    appearance: none;
    padding: 0 2.8rem 0 1rem;
    background-image:
        linear-gradient(45deg, transparent 50%, currentColor 50%),
        linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position:
        calc(100% - 17px) 50%,
        calc(100% - 12px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.cpf__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .75rem;
    min-height: 1px;
}

.cpf__reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 1rem;
    border: 1px solid var(--cpf-border);
    background: transparent;
    color: var(--cpf-accent);
}

.cpf__reset::before {
    content: "↺";
    margin-right: .45rem;
    font-size: 1.05em;
    line-height: 1;
}

.cpf__reset:hover,
.cpf__reset:focus-visible {
    border-color: var(--cpf-accent);
    background: color-mix(in srgb, var(--cpf-accent) 8%, transparent);
    transform: translateY(-1px);
}

.cpf__intro {
    margin-top: .25rem;
    padding: 1rem 1.1rem;
    border-radius: var(--cpf-radius-small);
    background: var(--cpf-surface-soft);
    color: var(--cpf-text);
}


.cpf__loading-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .55rem;
    min-height: 28px;
    margin-top: -.5rem;
    color: var(--cpf-text);
    font-size: .875rem;
    font-weight: 600;
}

.cpf__loading-text {
    line-height: 1.2;
}

.cpf__spinner {
    width: 14px;
    height: 14px;
    border: 2px solid color-mix(in srgb, var(--cpf-accent) 22%, transparent);
    border-top-color: var(--cpf-accent);
    border-radius: 50%;
    animation: cpf-spin .7s linear infinite;
}

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

.cpf,
.cpf-people-results {
    transition: opacity .18s ease, transform .18s ease;
}

.cpf.is-loading,
.cpf-people-results.is-loading {
    opacity: .52;
    pointer-events: none;
}

.cpf.is-loading {
    cursor: progress;
}

.cpf-people-results {
    position: relative;
    opacity: .96;
    transform: translateY(4px);
}

.cpf-people-results.cpf-results-ready {
    opacity: 1;
    transform: translateY(0);
}

/*
 * Add the CSS class "cpf-people-results" to the Elementor Loop Grid widget.
 * This prevents even the empty widget shell appearing before a filter is used.
 */
body.cpf-filter-inactive .cpf-people-results {
    display: none !important;
}

body.cpf-filter-active .cpf-people-results {
    display: block;
}

.cpf [hidden] {
    display: none !important;
}

/* Tablet */
@media (max-width: 1024px) {
    .cpf__alphabet {
        grid-template-columns: repeat(13, minmax(2rem, 1fr));
        row-gap: .45rem;
    }

    .cpf__selects {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cpf__field:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .cpf__loading-row {
        justify-content: center;
        margin-top: -.25rem;
    }

    .cpf__form {
        gap: 1.25rem;
    }

    .cpf__search {
        grid-template-columns: 1fr;
    }

    .cpf__submit {
        width: 100%;
    }

    .cpf__alphabet {
        grid-template-columns: repeat(7, minmax(2rem, 1fr));
        gap: .4rem;
    }

    .cpf__letter {
        min-height: 2.35rem;
        background: color-mix(in srgb, var(--cpf-surface) 68%, transparent);
    }

    .cpf__selects {
        grid-template-columns: 1fr;
    }

    .cpf__field:last-child:nth-child(odd) {
        grid-column: auto;
    }

    .cpf__actions {
        justify-content: stretch;
    }

    .cpf__reset {
        width: 100%;
    }

    /* Narrow mobile */
@media (max-width: 420px) {
    .cpf__alphabet {
        grid-template-columns: repeat(6, minmax(2rem, 1fr));
    }

    .cpf__letter {
        font-size: .9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cpf,
    .cpf-people-results,
    .cpf__submit,
    .cpf__reset,
    .cpf__letter,
    .cpf__search-input,
    .cpf__select {
        transition: none;
    }

    
.cpf__loading-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .55rem;
    min-height: 28px;
    margin-top: -.5rem;
    color: var(--cpf-text);
    font-size: .875rem;
    font-weight: 600;
}

.cpf__loading-text {
    line-height: 1.2;
}

.cpf__spinner {
        animation: none;
    }
}