/* ============================================================
   互動可見度圖 Visibility Plot — 工具頁
   寬版兩欄（左控制／右圖），主題 token 驅動，雙語 [data-lang]。
   ============================================================ */

.vp-page { padding: var(--space-md) 0 var(--space-2xl); }
.vp-wrap { width: min(1600px, 95vw); margin: 0 auto; }

/* ── Header ── */
.vp-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-md) 0; flex-wrap: wrap; }
.vp-head-left { display: flex; align-items: center; gap: var(--space-md); }
.vp-back { display: inline-flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--color-text-muted); }
.vp-back:hover { color: var(--color-text); }
.vp-back svg { width: 14px; height: 14px; }
.vp-title { display: flex; align-items: center; gap: 9px; }
.vp-title svg { width: 20px; height: 20px; color: var(--color-accent); }
.vp-title h1 { font-size: 1.35rem; font-weight: var(--font-weight-bold); letter-spacing: -0.02em; }
.vp-head-right { display: flex; align-items: center; gap: 8px; }

/* ── Buttons ── */
.vp-btn-primary, .vp-btn-outline, .vp-btn-ghost, .vp-btn-add {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    font-family: var(--font-primary); font-size: 0.82rem; font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md); padding: 9px 16px; transition: all var(--transition-base); border: 1px solid transparent;
}
.vp-btn-primary svg, .vp-btn-outline svg, .vp-btn-ghost svg, .vp-btn-add svg { width: 15px; height: 15px; }
.vp-btn-primary { background: var(--color-accent); color: var(--color-accent-text); box-shadow: var(--shadow-sm); }
.vp-btn-primary:hover { background: var(--color-accent-hover); }
.vp-btn-primary:disabled { opacity: 0.6; cursor: default; }
.vp-btn-ghost { background: transparent; color: var(--color-text-secondary); border-color: var(--color-border); }
.vp-btn-ghost:hover { color: var(--color-text); border-color: var(--color-text-muted); }
.vp-btn-outline { background: var(--color-surface); color: var(--color-text-secondary); border-color: var(--color-border); }
.vp-btn-outline:hover { color: var(--color-text); border-color: var(--color-text-muted); }
.vp-btn-block { width: 100%; margin-top: 8px; }

/* ── Main grid ── */
.vp-main { display: grid; grid-template-columns: 360px 1fr; gap: var(--space-lg); align-items: start; }

/* ── Controls ── */
.vp-controls { display: flex; flex-direction: column; gap: var(--space-md); }
.vp-sec { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-md); }
.vp-sec-title { display: flex; align-items: center; gap: 8px; font-size: 0.72rem; font-weight: var(--font-weight-semibold); color: var(--color-text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-md); }
.vp-hint { margin-left: auto; font-size: 0.64rem; font-weight: var(--font-weight-normal); letter-spacing: 0; text-transform: none; color: var(--color-text-muted); }

.vp-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.vp-field:last-child { margin-bottom: 0; }
.vp-field label { font-size: 0.72rem; color: var(--color-text-secondary); }
.vp-grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 10px; }
.vp-grid3 .vp-field { margin-bottom: 0; }

.vp-page input, .vp-page select {
    width: 100%; padding: 7px 9px; font-family: var(--font-primary); font-size: 0.8rem;
    background: var(--color-surface-elevated); color: var(--color-text);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: border-color var(--transition-fast);
}
.vp-page input:focus, .vp-page select:focus { outline: none; border-color: var(--color-accent); }
.vp-page input:disabled { opacity: 0.55; }
.vp-page input[type="checkbox"] { width: auto; }

/* Search */
.vp-search { display: flex; gap: 6px; }
.vp-search input { flex: 1; }
.vp-search button { flex-shrink: 0; width: 38px; display: flex; align-items: center; justify-content: center; background: var(--color-accent); color: var(--color-accent-text); border: none; border-radius: var(--radius-sm); }
.vp-search button:hover { background: var(--color-accent-hover); }
.vp-search button svg { width: 15px; height: 15px; }
.vp-search button:disabled { opacity: 0.6; }
.vp-search-hint { font-size: 0.66rem; color: var(--color-text-muted); margin-top: 5px; }
.vp-search-status { font-size: 0.72rem; margin-top: 6px; min-height: 1em; }
.vp-search-status.loading { color: var(--color-text-secondary); }
.vp-search-status.ok { color: #51cf66; }
.vp-search-status.err { color: var(--color-rose); }

/* Target rows */
.vp-trow { display: grid; grid-template-columns: 22px 1fr 1fr 1fr 24px; gap: 5px; align-items: center; margin-top: 7px; }
.vp-trow-head { margin-top: 12px; font-size: 0.62rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.vp-trow-head span { padding-left: 2px; }
.vp-tnum { width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: var(--font-weight-bold); color: #fff; flex-shrink: 0; }
.vp-trow input { padding: 6px 7px; font-size: 0.76rem; }
.vp-trm { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); color: var(--color-text-muted); border: 1px solid transparent; }
.vp-trm:hover { color: var(--color-rose); background: rgba(174,68,90,0.1); }
.vp-trm svg { width: 13px; height: 13px; }
.vp-btn-add { width: 100%; margin-top: 10px; background: transparent; color: var(--color-text-secondary); border: 1px dashed var(--color-border); }
.vp-btn-add:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* Checks */
.vp-checks { display: flex; gap: 14px; margin-bottom: 6px; }
.vp-checks label { display: inline-flex; align-items: center; gap: 5px; font-size: 0.8rem; color: var(--color-text-secondary); cursor: pointer; }

/* ── Plot column ── */
.vp-plotcol { display: flex; flex-direction: column; gap: var(--space-md); min-width: 0; }
.vp-plotcard { position: relative; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 8px; }
.vp-plot { width: 100%; height: min(72vh, 720px); min-height: 460px; }
.vp-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--color-text-muted); pointer-events: none; }
.vp-placeholder svg { width: 56px; height: 56px; opacity: 0.4; }
.vp-placeholder p { font-size: 0.85rem; }
.vp-status { font-size: 0.78rem; min-height: 1em; }
.vp-status.err { color: var(--color-rose); }
.vp-status.loading { color: var(--color-text-secondary); }

/* Details */
.vp-details { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-md); }
.vp-moon { display: flex; align-items: center; gap: 8px; padding-bottom: 10px; margin-bottom: 10px; border-bottom: 1px solid var(--color-border-subtle); }
.vp-moon-label { font-size: 0.74rem; color: var(--color-text-muted); }
.vp-moon-val { font-size: 0.9rem; font-weight: var(--font-weight-bold); }
.vp-detail-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.vp-detail { display: flex; gap: 9px; align-items: flex-start; }
.vp-detail-info { display: flex; flex-direction: column; gap: 1px; font-size: 0.74rem; color: var(--color-text-muted); min-width: 0; }
.vp-detail-info strong { font-size: 0.82rem; color: var(--color-text); font-weight: var(--font-weight-semibold); }
.vp-detail-info em { font-style: normal; font-size: 0.66rem; color: var(--color-accent); }

/* Static image */
.vp-static-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-md); }
.vp-static-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); font-size: 0.78rem; font-weight: var(--font-weight-semibold); color: var(--color-text-secondary); margin-bottom: 10px; }
.vp-static-head .vp-btn-outline { padding: 6px 12px; }
.vp-static-box img { width: 100%; height: auto; border-radius: var(--radius-md); display: block; }

/* ── Modal ── */
.vp-modal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: var(--space-lg); background: rgba(0,0,0,0.55); backdrop-filter: blur(3px); }
.vp-modal.open { display: flex; }
.vp-modal-box { position: relative; width: min(600px, 100%); max-height: 84vh; overflow-y: auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); box-shadow: var(--shadow-lg); }
.vp-modal-close { position: absolute; top: 14px; right: 14px; width: 30px; height: 30px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); border: 1px solid var(--color-border); }
.vp-modal-close:hover { color: var(--color-text); }
.vp-modal-close svg { width: 15px; height: 15px; }
.vp-modal-box h3 { font-size: 1rem; font-weight: var(--font-weight-bold); margin-bottom: var(--space-md); padding-right: 34px; }
.vp-modal-body { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.7; }
.vp-fmt-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.vp-fmt-table th, .vp-fmt-table td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--color-border-subtle); font-size: 0.8rem; }
.vp-fmt-table th { color: var(--color-text-muted); font-weight: var(--font-weight-semibold); font-size: 0.72rem; }
.vp-fmt-table code { font-family: ui-monospace, monospace; font-size: 0.82em; background: var(--color-surface-elevated); padding: 2px 6px; border-radius: 4px; color: var(--color-text); }
.vp-fmt-note { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.8; }

/* ── Responsive ── */
@media (max-width: 960px) {
    .vp-main { grid-template-columns: 1fr; }
    .vp-plot { height: 60vh; }
}
@media (max-width: 600px) {
    .vp-head-right .vp-btn-primary span:not([data-i18n-zh]):not([data-i18n-en]) { display: none; }
    .vp-detail-list { grid-template-columns: 1fr; }
}