/* =====================================================================
   Face landmarks (face_landmark_detector) — стили инструмента.
   Каркас на Bootstrap + локальные токены НА КОНТЕЙНЕРЕ (.fld); сайтовые токены,
   шапку, меню и H1 не трогаем (см. .tool_conventions/image_tools.md).
   Дизайн — семейство image_tools (синий акцент, как cut_photo/rotate_photo).
   ===================================================================== */

.fld {
    --fld-accent:       #0352f1;
    --fld-accent-hover: #0344cc;
    --fld-work-bg:      #f4f7fb;
    --fld-drop-bg:      #f9fbfe;
    --fld-drop-border:  #b9cdf9;
    --fld-card-border:  #e6e8ec;
    --fld-line:         #dde1e8;
    --fld-text:         #1f2733;
    --fld-muted:        #6b7480;
    --fld-btn-outline:  #d7dbe2;
    --fld-err:          #b21e1f;
    --fld-err-bg:       #feefef;
    --fld-err-border:   #f6d2d2;
    --fld-radius:       16px;
    --fld-radius-sm:    12px;
    --fld-radius-xs:    10px;

    max-width: 880px;
    margin-inline: auto;
    background: #fff;
    border: 1px solid var(--fld-card-border);
    border-radius: var(--fld-radius);
    box-shadow: 0 2px 14px rgba(20, 30, 60, .06);
    padding: 24px;
    color: var(--fld-text);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.45;
}

.fld *,
.fld *::before,
.fld *::after { box-sizing: border-box; }

/* Фокус: без bootstrap-ring, аккуратная рамка только с клавиатуры (CLAUDE.md). */
.fld__drop:focus, .fld__view:focus, .fld__opacity-range:focus,
.fld__alert-close:focus { outline: none; }
.fld__drop:focus-visible, .fld__view:focus-visible, .fld__opacity-range:focus-visible,
.fld__alert-close:focus-visible { outline: 2px solid var(--fld-accent); outline-offset: 2px; }

.fld__upload,
.fld__errstate { max-width: 480px; margin-inline: auto; }

/* ----------------------------------------------------------- зона загрузки */
.fld__drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 34px 20px;
    background: var(--fld-drop-bg);
    border: 2px dashed var(--fld-drop-border);
    border-radius: var(--fld-radius);
    cursor: pointer;
    text-align: center;
    transition: background .15s, border-color .15s;
}
.fld__drop.is-over { background: #eef4ff; border-color: var(--fld-accent); }
.fld__drop-icon { font-size: 34px; color: var(--fld-accent); line-height: 1; }
.fld__drop-title { margin: 6px 0 0; font-weight: 600; }
.fld__drop-or { margin: 0; color: var(--fld-muted); font-size: 14px; }

.fld__formats {
    margin: 12px 0 0;
    text-align: center;
    color: var(--fld-muted);
    font-size: 13px;
}
.fld__formats-dot { margin: 0 6px; }

.fld__btn-primary {
    background: var(--fld-accent);
    border-color: var(--fld-accent);
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--fld-radius-xs);
    padding: 8px 18px;
    font-weight: 600;
}
.fld__btn-primary:hover { background: var(--fld-accent-hover); border-color: var(--fld-accent-hover); color: #fff; }

.fld__btn-outline {
    background: #fff;
    border: 1px solid var(--fld-btn-outline);
    color: var(--fld-text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--fld-radius-xs);
    padding: 8px 14px;
}
.fld__btn-outline:hover { border-color: var(--fld-accent); color: var(--fld-accent); }

/* ----------------------------------------------------------- вкладки видов */
.fld__views {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}
.fld__view {
    appearance: none;
    background: #fff;
    border: 1px solid var(--fld-btn-outline);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 14px;
    color: var(--fld-text);
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s;
}
.fld__view:hover { border-color: var(--fld-accent); color: var(--fld-accent); }
.fld__view.is-active {
    background: var(--fld-accent);
    border-color: var(--fld-accent);
    color: #fff;
}

/* ----------------------------------------------------------- сцена с фото */
.fld__stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    padding: 12px;
    background: var(--fld-work-bg);
    border-radius: var(--fld-radius-sm);
}
.fld__canvas {
    max-width: 100%;
    max-height: 62vh;
    border-radius: var(--fld-radius-xs);
    background: #fff;
}

.fld__busy {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, .78);
    border-radius: var(--fld-radius-sm);
    font-weight: 600;
    color: var(--fld-text);
}
.fld__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--fld-drop-border);
    border-top-color: var(--fld-accent);
    border-radius: 50%;
    animation: fld-spin .8s linear infinite;
}
@keyframes fld-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .fld__spinner { animation: none; } }

/* ----------------------------------------------------------- легенда классов */
.fld__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--fld-muted);
}
.fld__legend-item { display: inline-flex; align-items: center; gap: 6px; }
.fld__legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    background: var(--c, #999);
    border: 1px solid rgba(0, 0, 0, .12);
}

/* ----------------------------------------------------------- управление */
.fld__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
}
.fld__opacity {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 300px;
    margin: 0;
    font-size: 14px;
}
.fld__opacity[hidden] { display: none; }
.fld__opacity-cap { color: var(--fld-muted); white-space: nowrap; }

/* ------------------------------------------------- редактор выделенной области */
.fld__fx {
    margin-top: 14px;
    padding: 14px 16px;
    background: var(--fld-work-bg);
    border-radius: var(--fld-radius-sm);
}
.fld__fx[hidden] { display: none; }

.fld__fx-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}
.fld__fx-title { font-weight: 600; font-size: 14px; }
.fld__fx-reset {
    appearance: none;
    background: #fff;
    border: 1px solid var(--fld-btn-outline);
    border-radius: var(--fld-radius-xs);
    padding: 4px 10px;
    font-size: 13px;
    color: var(--fld-text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.fld__fx-reset:hover { border-color: var(--fld-accent); color: var(--fld-accent); }
.fld__fx-reset:focus { outline: none; }
.fld__fx-reset:focus-visible { outline: 2px solid var(--fld-accent); outline-offset: 2px; }

.fld__fx-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 8px 20px;
}
.fld__fx-item {
    display: grid;
    grid-template-columns: 96px 1fr 48px;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 13px;
}
.fld__fx-cap { color: var(--fld-muted); }
.fld__fx-range { width: 100%; accent-color: var(--fld-accent); }
.fld__fx-range:focus { outline: none; }
.fld__fx-range:focus-visible { outline: 2px solid var(--fld-accent); outline-offset: 2px; }
.fld__fx-val { text-align: right; font-variant-numeric: tabular-nums; }

/* ------------------------------------------------- перекраска области (волосы) */
.fld__recolor {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--fld-line);
}
.fld__recolor[hidden] { display: none; }

.fld__recolor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.fld__recolor-swatch {
    appearance: none;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    box-shadow: 0 0 0 1px var(--fld-btn-outline);
    background: var(--c, #ccc);
    cursor: pointer;
    transition: transform .12s, box-shadow .12s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.fld__recolor-swatch:hover { transform: scale(1.08); }
.fld__recolor-swatch.is-active {
    border-color: #fff;
    box-shadow: 0 0 0 2px var(--fld-accent);
}
.fld__recolor-swatch:focus { outline: none; }
.fld__recolor-swatch:focus-visible { box-shadow: 0 0 0 2px var(--fld-accent); }

/* «Родной цвет» — перечёркнутый белый кружок */
.fld__recolor-swatch--none {
    background: linear-gradient(to bottom right,
        #fff calc(50% - 1px), var(--fld-muted) calc(50% - 1px),
        var(--fld-muted) calc(50% + 1px), #fff calc(50% + 1px));
}
/* Свой цвет: кружок-пипетка, сам input скрыт под ним */
.fld__recolor-swatch--custom {
    position: relative;
    background: #fff;
    color: var(--fld-text);
    font-size: 14px;
    overflow: hidden;
}
.fld__recolor-picker {
    position: absolute;
    inset: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    cursor: pointer;
}

/* ------------------------------------------------- примерка макияжа */
.fld__makeup {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--fld-line);
}
.fld__makeup[hidden] { display: none; }

.fld__makeup-power {
    display: grid;
    grid-template-columns: auto 120px 44px;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 13px;
}

.fld__makeup-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.fld__makeup-item {
    appearance: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--fld-btn-outline);
    border-radius: 999px;
    padding: 6px 14px 6px 8px;
    font-size: 13px;
    color: var(--fld-text);
    cursor: pointer;
    transition: border-color .12s, color .12s, background .12s;
}
.fld__makeup-item:hover { border-color: var(--fld-accent); }
.fld__makeup-item.is-active { border-color: var(--fld-accent); background: #eef4ff; color: var(--fld-accent); }
.fld__makeup-item:focus { outline: none; }
.fld__makeup-item:focus-visible { outline: 2px solid var(--fld-accent); outline-offset: 2px; }

.fld__makeup-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--c, #ccc);
    border: 1px solid rgba(0, 0, 0, .15);
    flex: 0 0 auto;
}
/* «Без макияжа» — перечёркнутый пустой кружок */
.fld__makeup-dot--none {
    background: linear-gradient(to bottom right,
        transparent calc(50% - 1px), var(--fld-muted) calc(50% - 1px),
        var(--fld-muted) calc(50% + 1px), transparent calc(50% + 1px));
    background-color: #fff;
}

.fld__makeup-note {
    margin: 10px 0 0;
    font-size: 12px;
    color: var(--fld-muted);
}
.fld__makeup-note[hidden] { display: none; }
.fld__opacity-range { flex: 1 1 auto; min-width: 120px; accent-color: var(--fld-accent); }
.fld__opacity-val { min-width: 44px; text-align: right; font-variant-numeric: tabular-nums; }
.fld__actions { display: flex; gap: 8px; }

/* ----------------------------------------------------------- статистика */
.fld__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--fld-line);
    font-size: 13px;
}
.fld__stat { display: inline-flex; align-items: baseline; gap: 6px; }
.fld__stat-cap { color: var(--fld-muted); }
.fld__stat-val { font-weight: 600; font-variant-numeric: tabular-nums; }

.fld__note {
    margin: 10px 0 0;
    font-size: 13px;
    color: var(--fld-muted);
}

/* ----------------------------------------------------------- ошибка */
.fld__alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    margin-bottom: 14px;
    background: var(--fld-err-bg);
    border: 1px solid var(--fld-err-border);
    border-radius: var(--fld-radius-sm);
    color: var(--fld-err);
}
.fld__alert-icon { font-size: 18px; line-height: 1.3; }
.fld__alert-text { display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; }
.fld__alert-title { font-size: 14px; }
.fld__alert-hint { font-size: 13px; color: #7d3a3a; }
.fld__alert-close {
    appearance: none;
    background: none;
    border: 0;
    color: var(--fld-err);
    cursor: pointer;
    line-height: 1;
    padding: 2px;
}

/* ----------------------------------------------------------- мобайл */
@media (max-width: 560px) {
    .fld { padding: 16px; }
    .fld__view { padding: 6px 10px; font-size: 13px; }
    /* Колонка меняет главную ось: flex-basis 300px строки превратился бы в 300px ВЫСОТЫ
       (замер 2026-08-15: пустой провал между фото и кнопками) — сбрасываем базис. */
    .fld__controls { flex-direction: column; align-items: stretch; }
    .fld__opacity { flex: 0 0 auto; }
    .fld__fx { padding: 12px; }
    .fld__fx-item { grid-template-columns: 84px 1fr 42px; gap: 8px; font-size: 12px; }
    .fld__fx-head { flex-wrap: wrap; }
    .fld__makeup-power { grid-template-columns: auto 1fr 40px; width: 100%; }
    .fld__makeup-item { padding: 5px 12px 5px 7px; font-size: 12px; }
    .fld__actions { justify-content: space-between; }
    .fld__canvas { max-height: 52vh; }
}