/* ==========================================================================
   LED Screen Calculator — page styles
   Builds on css/styles.css tokens; nothing here overrides the site design
   system, it only adds the calculator's own components (prefixed .led-).
   ========================================================================== */

.led-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 1080px) {
  .led-layout { grid-template-columns: 360px minmax(0, 1fr); }
  .led-inputs { position: sticky; top: 100px; max-height: calc(100vh - 116px); overflow-y: auto; }
}

/* ---------- Input panel ---------- */
.led-inputs {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 6px 20px 20px;
  scrollbar-width: thin;
}
.led-fieldset { border: 0; padding: 18px 0 4px; margin: 0; border-bottom: 1px solid var(--color-border); }
.led-fieldset:last-of-type { border-bottom: 0; }
.led-fieldset legend {
  display: flex; align-items: center; gap: 10px;
  padding: 0; margin-bottom: 14px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1rem; color: var(--color-heading);
}
.led-fieldset legend .led-step {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-primary); color: var(--white);
  font-size: 0.78rem;
}
.led-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; min-width: 0; }
.led-field > span, .led-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.led-field input[type="number"], .led-field input[type="text"], .led-field input[type="date"], .led-field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.92rem;
  color-scheme: dark;
}
.led-field input:focus, .led-field select:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.led-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.led-row.three { grid-template-columns: 1fr 1fr 1fr; }
.led-hint { font-size: 0.78rem; color: var(--color-text-muted); margin: -6px 0 14px; line-height: 1.45; }

.led-seg {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 3px; gap: 3px; margin-bottom: 14px;
}
.led-seg label { position: relative; cursor: pointer; }
.led-seg input { position: absolute; opacity: 0; pointer-events: none; }
.led-seg span {
  display: block; text-align: center; padding: 7px 6px; border-radius: 3px;
  font-size: 0.8rem; font-weight: 700; color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.led-seg input:checked + span { background: var(--color-primary); color: var(--white); }
.led-seg input:focus-visible + span { outline: 2px solid var(--color-accent); }

.led-check {
  display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px;
  font-size: 0.88rem; color: var(--color-text); cursor: pointer;
}
.led-check input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--color-primary); flex-shrink: 0; }
.led-custom { display: none; padding: 14px 14px 2px; margin-bottom: 14px; border-radius: var(--radius-sm); border: 1px dashed var(--color-border); }
.led-custom.is-open { display: block; }

/* ---------- Results ---------- */
.led-results { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.led-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  min-width: 0;
}
.led-card-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 20px; margin-bottom: 18px; }
.led-card-head h2 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.led-card-head .eyebrow { margin-bottom: 6px; }
.led-card-head p { color: var(--color-text-muted); font-size: 0.92rem; margin-top: 6px; max-width: 560px; }

.led-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (min-width: 700px) { .led-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.led-kpi {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
  position: relative; overflow: hidden;
}
.led-kpi::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--color-accent); }
.led-kpi-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); }
.led-kpi-value { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.25rem, 2.2vw, 1.65rem); color: var(--white); line-height: 1.2; margin-top: 6px; font-variant-numeric: tabular-nums; }
.led-kpi-sub { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 4px; }

.led-alerts { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.led-alert {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.86rem; line-height: 1.45;
  background: rgba(37, 170, 225, 0.10); border: 1px solid rgba(37, 170, 225, 0.35); color: var(--color-text);
}
.led-alert.warn { background: rgba(245, 166, 35, 0.10); border-color: rgba(245, 166, 35, 0.45); }
.led-alert.error { background: rgba(232, 72, 85, 0.12); border-color: rgba(232, 72, 85, 0.5); }
.led-alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--color-accent); }
.led-alert.warn svg { color: #f5a623; }
.led-alert.error svg { color: #e84855; }

.led-specs { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 22px; }
@media (min-width: 800px) { .led-specs { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.led-specs h3 { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 10px; }
.led-specs dl { display: grid; grid-template-columns: auto 1fr; gap: 7px 14px; font-size: 0.86rem; }
.led-specs dt { color: var(--color-text-muted); }
.led-specs dd { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

/* Diagrams */
.led-tabs { display: inline-flex; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: 999px; padding: 3px; gap: 3px; }
.led-tabs button {
  border: 0; background: transparent; padding: 8px 16px; border-radius: 999px;
  font-size: 0.84rem; font-weight: 700; color: var(--color-text-muted);
}
.led-tabs button[aria-selected="true"] { background: var(--color-primary); color: var(--white); }
.led-diagram {
  background: #0d0d12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
  overflow: auto;
}
.led-diagram svg { width: 100%; height: auto; max-height: 720px; margin-inline: auto; }
.led-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 14px; font-size: 0.82rem; color: var(--color-text-muted); }
.led-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.led-table-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.led-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.led-table th, .led-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.led-table th { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); background: var(--color-surface-2); }
.led-table tr:last-child td { border-bottom: 0; }
.led-table td.num, .led-table th.num { text-align: right; }
.led-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 8px; }
.led-bar { display: inline-block; width: 70px; height: 6px; border-radius: 3px; background: var(--color-surface-4); vertical-align: middle; margin-left: 8px; overflow: hidden; }
.led-bar > b { display: block; height: 100%; background: var(--color-accent); }
.led-bar.hot > b { background: #f5a623; }

/* Test pattern */
.led-stage {
  position: relative;
  background:
    linear-gradient(45deg, #111116 25%, transparent 25%, transparent 75%, #111116 75%) 0 0 / 20px 20px,
    linear-gradient(45deg, #111116 25%, transparent 25%, transparent 75%, #111116 75%) 10px 10px / 20px 20px,
    #0b0b0f;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  padding: 16px 16px 34px;
  min-height: 240px;
}
.led-stage canvas { display: block; max-width: 100%; max-height: 560px; height: auto; box-shadow: 0 0 0 1px rgba(255,255,255,0.12), var(--shadow-lg); image-rendering: auto; }
.led-stage-meta { position: absolute; left: 14px; bottom: 10px; font-size: 0.72rem; color: var(--color-text-muted); letter-spacing: 0.04em; }
.led-pattern-controls { display: grid; gap: 4px 16px; grid-template-columns: 1fr; margin-top: 18px; }
@media (min-width: 760px) { .led-pattern-controls { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.led-toggles { display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 14px; }
.led-toggles .cat-filter-chip { font-size: 0.78rem; padding: 7px 12px; }

/* Export */
.led-export { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .led-export { grid-template-columns: 1fr 1fr; } }
.led-export-box {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.led-export-box h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 10px; }
.led-export-box h3 svg { width: 22px; height: 22px; color: var(--color-accent); }
.led-export-box p { font-size: 0.86rem; color: var(--color-text-muted); }
.led-export-box .btn { align-self: flex-start; }
.led-export-box .btn[disabled] { opacity: 0.55; cursor: progress; transform: none; box-shadow: none; }
.led-progress { display: none; gap: 6px; flex-direction: column; }
.led-progress.is-active { display: flex; }
.led-progress-track { height: 8px; border-radius: 4px; background: var(--color-surface-4); overflow: hidden; }
.led-progress-track b { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--blue-700), var(--blue-accent)); transition: width 120ms linear; }
.led-progress-text { font-size: 0.78rem; color: var(--color-text-muted); display: flex; justify-content: space-between; gap: 10px; }
.led-progress-text button { background: none; border: 0; color: var(--color-link); font-weight: 700; font-size: 0.78rem; padding: 0; }
.led-note { font-size: 0.78rem; color: var(--color-text-muted); }

.led-disclaimer { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.5; }

/* Fullscreen pattern */
.led-stage:fullscreen { background: #000; padding: 0; border: 0; border-radius: 0; }
.led-stage:fullscreen canvas { max-height: 100vh; max-width: 100vw; width: auto; height: 100vh; object-fit: contain; box-shadow: none; }
.led-stage:fullscreen.is-one-to-one { align-items: flex-start; justify-content: flex-start; }
.led-stage:fullscreen.is-one-to-one canvas { height: auto; max-height: none; max-width: none; }
.led-stage:fullscreen .led-stage-meta { display: none; }

.led-layout [hidden] { display: none !important; }

/* ---------- Calculator / Test Pattern Library switcher ---------- */
.led-view-tabs {
  display: inline-flex; flex-wrap: wrap; gap: 4px; margin-bottom: 24px; padding: 4px;
  background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.led-view-tabs button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border: 0; border-radius: var(--radius-sm);
  background: transparent; color: var(--color-text);
  font-weight: 600; font-size: 0.92rem; line-height: 1.2;
  transition: background var(--transition), color var(--transition);
}
.led-view-tabs button svg { width: 18px; height: 18px; flex-shrink: 0; }
.led-view-tabs button:hover { background: var(--color-surface-3); color: var(--white); }
.led-view-tabs button[aria-selected="true"] { background: var(--color-primary); color: var(--white); }
.led-view-tabs button:focus-visible { outline: 2px solid var(--blue-accent); outline-offset: 2px; }
@media (max-width: 520px) {
  .led-view-tabs { display: flex; }
  .led-view-tabs button { flex: 1; justify-content: center; padding: 10px 12px; font-size: 0.86rem; }
}

/* ---------- Test Pattern Library ---------- */
.led-library[hidden] { display: none; }
.led-lib-toolbar {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 20px;
  padding: 18px 0 6px; border-top: 1px solid var(--color-border); margin-top: 6px;
}
.led-lib-toolbar .led-field { margin-bottom: 0; min-width: 150px; }
.led-lib-toolbar .led-label { display: block; margin-bottom: 6px; }
.led-lib-toolbar .btn { margin-left: auto; }
@media (max-width: 700px) { .led-lib-toolbar .btn { margin-left: 0; width: 100%; } }
.led-lib-group { font-size: 1.05rem; color: var(--color-heading); margin: 26px 0 12px; }
.led-lib-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.led-lib-grid.portrait { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.led-lib-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}
.led-lib-card:hover { border-color: rgba(37, 170, 225, 0.5); transform: translateY(-2px); }
.led-lib-thumb { background: #000; aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; }
.led-lib-grid.portrait .led-lib-thumb { aspect-ratio: 9 / 16; }
.led-lib-thumb canvas { width: 100%; height: 100%; display: block; object-fit: contain; }
.led-lib-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.led-lib-body h4 { font-size: 0.95rem; color: var(--white); margin: 0; }
.led-lib-body p { font-size: 0.8rem; color: var(--color-text-muted); margin: 0 0 8px; flex: 1; }
.led-lib-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.led-lib-actions button {
  display: inline-flex; align-items: center; gap: 6px; flex: 1; justify-content: center;
  padding: 7px 10px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface-3); color: var(--color-text); font-size: 0.8rem; font-weight: 600; white-space: nowrap;
}
.led-lib-actions button svg { width: 14px; height: 14px; flex-shrink: 0; }
.led-lib-actions button:hover:not(:disabled) { background: var(--color-primary); border-color: var(--color-primary); color: var(--white); }
.led-lib-actions button:disabled { opacity: 0.5; cursor: wait; }
.led-edges { flex-wrap: wrap; }
[data-view-panel][hidden], .led-layout[hidden] { display: none !important; }

/* ---------- Tools: "New show" button and confirm popup (shared by all tools) ---------- */
.tool-head-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tool-newshow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px !important; font-size: 0.82rem !important; white-space: nowrap; }
.tool-newshow svg { width: 15px; height: 15px; flex-shrink: 0; }

.csl-confirm { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.csl-confirm-backdrop { position: absolute; inset: 0; background: rgba(4, 6, 10, 0.72); backdrop-filter: blur(3px); opacity: 0; transition: opacity 160ms; }
.csl-confirm-box {
  position: relative; width: 100%; max-width: 440px;
  background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55); padding: 28px 26px 22px;
  opacity: 0; transform: translateY(10px) scale(0.98); transition: opacity 160ms, transform 160ms;
}
.csl-confirm.is-on .csl-confirm-backdrop { opacity: 1; }
.csl-confirm.is-on .csl-confirm-box { opacity: 1; transform: none; }
.csl-confirm-icon {
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(232, 72, 85, 0.14); color: #ff7a85; margin-bottom: 14px;
}
.csl-confirm-icon svg { width: 22px; height: 22px; }
.csl-confirm-box h2 { font-size: 1.25rem; color: var(--white); margin: 0 0 8px; }
#csl-confirm-body { font-size: 0.92rem; line-height: 1.55; color: var(--color-text-muted); }
#csl-confirm-body p { margin: 0 0 8px; }
#csl-confirm-body b { color: var(--color-text); }
.csl-confirm-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }
.csl-confirm-box.is-danger .csl-confirm-yes { background: #c7323f; border-color: #c7323f; color: #fff; }
.csl-confirm-box.is-danger .csl-confirm-yes:hover { background: #e04452; border-color: #e04452; }
body.csl-confirm-open { overflow: hidden; }
@media (max-width: 479px) { .csl-confirm-actions .btn { flex: 1 1 100%; } }
@media (prefers-reduced-motion: reduce) { .csl-confirm-backdrop, .csl-confirm-box { transition: none; } }