/**
 * Staff v2 — Warm-Platinum (Sprint S9)
 *
 * Шорткод [sk_staff_v2]: grid 79 педагогов с фильтром и toggle.
 * Все цвета через design tokens (tokens.css). 0 хардкода палитры.
 */

/* ===== Section ===== */
.sk-staff-v2 {
    padding: var(--section-padding-y) var(--section-padding-x);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

.sk-staff-v2__container {
    max-width: var(--container-max);
    margin: 0 auto;
}

/* ===== Header ===== */
.sk-staff-v2__header {
    margin-bottom: var(--sp-12);
    max-width: 42rem;
}

.sk-staff-v2__header .sk-section__lead {
    margin-top: var(--sp-4);
    color: var(--color-text-secondary);
    font-size: var(--fs-18);
    line-height: var(--lh-relaxed);
}

/* ===== Filter tabs ===== */
.sk-staff-v2__filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    margin-bottom: var(--sp-8);
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: var(--sp-4);
}

.sk-staff-v2__filter-btn {
    padding: var(--sp-2) var(--sp-4);
    background: transparent;
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    font-family: var(--ff-body);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--dur-fast) var(--ease-out);
}

.sk-staff-v2__filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.sk-staff-v2__filter-btn--active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.sk-staff-v2__filter-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== Group ===== */
.sk-staff-v2__group {
    margin-bottom: var(--sp-12);
}

.sk-staff-v2__group[hidden] {
    display: none;
}

.sk-staff-v2__group-title {
    font-family: var(--ff-display);
    font-size: var(--fs-32);
    font-weight: 700;
    line-height: var(--lh-heading);
    color: var(--color-text-primary);
    margin: 0 0 var(--sp-6);
    padding-top: var(--sp-8);
    border-top: 1px solid var(--color-border-subtle);
}

.sk-staff-v2__group:first-of-type .sk-staff-v2__group-title {
    border-top: 0;
    padding-top: 0;
}

/* ===== Grid ===== */
.sk-staff-v2__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}

@media (min-width: 640px) {
    .sk-staff-v2__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .sk-staff-v2__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .sk-staff-v2__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== Card ===== */
.sk-staff-v2__card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--radius-sm);
    padding: 0;
    overflow: hidden;
    transition: var(--card-transition);
}

.sk-staff-v2__card[data-visible="false"] {
    display: none;
}

.sk-staff-v2__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

/* ===== Media ===== */
.sk-staff-v2__media {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-platinum-100);
}

.sk-staff-v2__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--dur-slow) var(--ease-out);
}

.sk-staff-v2__card:hover .sk-staff-v2__media img {
    transform: scale(1.03);
}

.sk-staff-v2__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-family: var(--ff-display);
    font-size: var(--fs-48);
    font-weight: 700;
    color: var(--color-platinum-500);
    background: var(--color-platinum-100);
    letter-spacing: var(--ls-tight);
}

/* ===== Body ===== */
.sk-staff-v2__body {
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.sk-staff-v2__name {
    font-family: var(--ff-display);
    font-size: var(--fs-18);
    font-weight: 700;
    line-height: var(--lh-snug);
    color: var(--color-text-primary);
    margin: 0;
}

.sk-staff-v2__position {
    font-family: var(--ff-body);
    font-size: var(--fs-14);
    line-height: var(--lh-normal);
    color: var(--color-text-secondary);
    margin: 0;
}

/* ===== Show more ===== */
.sk-staff-v2__show-more {
    margin: var(--sp-8) auto 0;
    display: block;
    padding: var(--sp-3) var(--sp-8);
    background: transparent;
    border: 1px solid var(--color-platinum-500);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--ff-body);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease-out);
}

.sk-staff-v2__show-more:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.sk-staff-v2__show-more:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    .sk-staff-v2__card,
    .sk-staff-v2__media img,
    .sk-staff-v2__filter-btn,
    .sk-staff-v2__show-more {
        transition: none;
    }
    .sk-staff-v2__card:hover {
        transform: none;
    }
    .sk-staff-v2__card:hover .sk-staff-v2__media img {
        transform: none;
    }
}