/* Shoot Grade panel, in the macOS / iOS design language: system font, grouped inset
   sections, segmented controls with a sliding thumb, switches, translucent bars and
   short spring-like transitions. Brand colours come from brand/tokens.css. */

:root {
  --ui-font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  --bg: #111113;
  --card: #1c1c1f;
  --card-raised: #26262a;
  --fill: rgb(120 120 128 / 0.24); /* Apple tertiary fill */
  --fill-strong: rgb(120 120 128 / 0.36);
  --sep: rgb(255 255 255 / 0.08);
  --label: #f5f5f7;
  --label-2: rgb(235 235 245 / 0.62);
  --label-3: rgb(235 235 245 / 0.32);
  --accent: var(--sg-tungsten);
  --focus: var(--sg-daylight);
  --spring: cubic-bezier(0.32, 0.72, 0, 1);
  --pop: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--label);
  font-family: var(--ui-font);
  font-size: 13px;
  line-height: 1.38;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

body {
  display: grid;
  grid-template-rows: auto auto auto auto auto 1fr auto;
  overflow: hidden;
}

button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---- header / clip --------------------------------------------------------------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 8px;
}
.brand { display: flex; align-items: center; gap: 8px; }
.wordmark { font-family: 'Archivo', var(--ui-font); font-stretch: 125%; font-weight: 800; font-size: 14px; letter-spacing: -0.01em; }

.conn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px 3px 7px;
  border-radius: 999px;
  background: var(--fill);
  color: var(--label-2);
  font-size: 11px;
  font-weight: 500;
  transition: background 0.3s;
}
.conn .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--label-3); transition: background 0.3s, box-shadow 0.3s; }
.conn.ok .dot { background: #30d158; box-shadow: 0 0 0 3px rgb(48 209 88 / 0.18); animation: breathe 2.4s ease-in-out infinite; }
.conn.err .dot { background: #ff453a; }
@keyframes breathe { 50% { box-shadow: 0 0 0 5px rgb(48 209 88 / 0.05); } }

.clip { display: flex; align-items: center; gap: 10px; padding: 0 16px 10px; }
.clip-text { flex: 1; min-width: 0; }
.clip-name { font-weight: 600; font-size: 15px; letter-spacing: -0.015em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.clip-meta { color: var(--label-2); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.icon-btn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--fill);
  color: var(--label);
  transition: background 0.2s, transform 0.2s var(--spring);
}
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn:hover { background: var(--fill-strong); }
.icon-btn:active { transform: scale(0.9); }

/* ---- preview --------------------------------------------------------------------- */

.preview { padding: 0 16px; }

.frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 0 0.5px var(--sep), 0 12px 32px -18px rgb(0 0 0 / 0.9);
  user-select: none;
}
.frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
#afterImg { animation: fadeIn 0.35s ease-out; }

.before-clip { position: absolute; inset: 0; overflow: hidden; }
.before-clip img { object-fit: contain; }

.split-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: #fff;
  cursor: ew-resize;
  box-shadow: 0 0 8px rgb(0 0 0 / 0.5);
}
.split-line::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.4);
}

.face-pin {
  position: absolute;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: rgb(255 181 71 / 0.22);
  box-shadow: 0 0 0 4px rgb(255 181 71 / 0.15);
  cursor: grab;
  padding: 0;
  animation: pinIn 0.45s var(--pop);
}
.face-pin:active { cursor: grabbing; transform: scale(1.12); }
@keyframes pinIn { from { transform: scale(0); opacity: 0; } }

.frame-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  text-align: center;
  color: var(--label-2);
  font-size: 12px;
}

.frame-busy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--focus), transparent);
  background-size: 50% 100%;
  animation: sweep 0.9s linear infinite;
}
@keyframes sweep { from { background-position: -50% 0; } to { background-position: 150% 0; } }

.frame-tools { position: absolute; top: 8px; right: 8px; display: flex; gap: 6px; }
.chip {
  border: 0;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  background: rgb(30 30 32 / 0.6);
  color: #fff;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  transition: background 0.2s, color 0.2s, transform 0.2s var(--spring);
}
.chip:active { transform: scale(0.94); }
.chip[aria-pressed='true'] { background: #fff; color: #000; }

.scopes {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}
#histogram { width: 100%; height: 28px; display: block; }
.palette { display: flex; gap: 3px; }
.palette i { width: 16px; height: 28px; border-radius: 5px; display: block; animation: fadeIn 0.4s ease-out both; }
.palette i:nth-child(2) { animation-delay: 0.04s; }
.palette i:nth-child(3) { animation-delay: 0.08s; }
.palette i:nth-child(4) { animation-delay: 0.12s; }

/* ---- node map -------------------------------------------------------------------- */

.nodemap {
  display: flex;
  align-items: center;
  padding: 12px 16px 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.node {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--label-3);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}
.node .pip {
  width: 14px;
  height: 14px;
  border-radius: 4.5px;
  border: 1.5px solid rgb(255 255 255 / 0.18);
  background: transparent;
  transition: background 0.35s, border-color 0.35s, transform 0.45s var(--pop), box-shadow 0.35s;
}
.node.on { color: var(--label-2); }
.node.on .pip { border-color: var(--focus); background: rgb(111 168 255 / 0.28); transform: scale(1.06); }
.node.hot .pip { border-color: var(--accent); background: rgb(255 181 71 / 0.45); box-shadow: 0 0 10px rgb(255 181 71 / 0.55); transform: scale(1.25); }
.node:hover { color: var(--label); }
.wire { flex: 1 0 6px; height: 1.5px; border-radius: 1px; background: rgb(255 255 255 / 0.1); margin-top: -14px; min-width: 6px; }

/* ---- segmented controls (tabs, strength, ratio, grain size) ---------------------------
   The selected segment is a thumb that slides; app.js sets --n (count) and --i (index). */

.tabs,
.segmented {
  --pad: 2px;
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding: var(--pad);
  border-radius: 9px;
  background: var(--fill);
  isolation: isolate;
}
.tabs { margin: 10px 16px 0; }
.tabs::before,
.segmented::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: var(--pad);
  bottom: var(--pad);
  left: var(--pad);
  width: calc((100% - 2 * var(--pad)) / var(--n, 1));
  border-radius: 7px;
  background: #636366;
  box-shadow: 0 3px 8px rgb(0 0 0 / 0.12), 0 3px 1px rgb(0 0 0 / 0.04), inset 0 0.5px 0 rgb(255 255 255 / 0.12);
  transform: translateX(calc(var(--i, 0) * 100%));
  transition: transform 0.38s var(--spring);
}
.segmented.none::before { opacity: 0; }
.tabs button,
.segmented button {
  border: 0;
  border-radius: 7px;
  padding: 5px 0;
  background: transparent;
  color: var(--label);
  font-weight: 500;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  transition: font-weight 0.2s, opacity 0.2s;
}
.tabs button[aria-selected='true'],
.segmented button[aria-pressed='true'] { font-weight: 600; }
.tabs button:active,
.segmented button:active { opacity: 0.6; }
.segmented[aria-disabled='true'] { opacity: 0.35; pointer-events: none; }

/* ---- body: grouped inset sections ----------------------------------------------- */

.body { overflow-y: auto; padding: 4px 16px 20px; scrollbar-width: thin; }
.body [role='tabpanel'].enter { animation: panelIn 0.32s var(--spring); }
@keyframes panelIn { from { opacity: 0; transform: translateY(6px); } }
@keyframes fadeIn { from { opacity: 0; } }

.group {
  margin-top: 12px;
  padding: 12px 12px 10px;
  border-radius: 12px;
  background: var(--card);
}
.group h2 { margin: 0 0 8px; font-size: 13px; font-weight: 600; letter-spacing: -0.01em; color: var(--label); }
.group-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.group-head h2 { margin: 0; }
.hint { margin: -3px 0 10px; color: var(--label-2); font-size: 11.5px; line-height: 1.45; }

.select select {
  width: 100%;
  appearance: none;
  background: var(--fill) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='14'%3E%3Cpath d='M1 5l3.5-3.5L8 5M1 9l3.5 3.5L8 9' fill='none' stroke='%23ebebf5' stroke-opacity='.6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 11px center;
  border: 0;
  border-radius: 8px;
  padding: 8px 30px 8px 11px;
  font-weight: 500;
}
.select select:hover { background-color: var(--fill-strong); }

/* sliders: a slim track that fills from zero (or from the centre for bipolar controls)
   and a white knob, like macOS. app.js sets --a/--b as the filled span in %. */
.slider { padding: 4px 0 6px; }
.slider + .slider { border-top: 0.5px solid var(--sep); padding-top: 8px; }
.slider-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 3px; }
.slider-top label { color: var(--label); }
.slider-value {
  font-variant-numeric: tabular-nums;
  color: var(--label-2);
  min-width: 5ch;
  text-align: right;
  border: 0;
  background: none;
  padding: 1px 5px;
  margin-right: -5px;
  border-radius: 5px;
  transition: color 0.25s, background 0.2s;
}
button.slider-value:hover { background: var(--fill); color: var(--label); }
.slider-edit {
  width: 7ch;
  text-align: right;
  background: var(--fill);
  border: 0;
  box-shadow: 0 0 0 2px var(--focus);
  border-radius: 5px;
  padding: 1px 5px;
  font-variant-numeric: tabular-nums;
}
.slider.changed .slider-value { color: var(--accent); }

.slider input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 22px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
.slider input[type='range']::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background:
    linear-gradient(90deg, transparent var(--a, 0%), var(--accent) var(--a, 0%), var(--accent) var(--b, 0%), transparent var(--b, 0%)),
    var(--fill-strong);
}
/* colour-meaning tracks (temperature, tint, exposure) keep their gradient instead of a fill */
.slider input.meaning::-webkit-slider-runnable-track { background: var(--track); opacity: 0.85; }
.slider input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0.5px 4px rgb(0 0 0 / 0.3), 0 3px 8px rgb(0 0 0 / 0.25);
  transition: transform 0.2s var(--spring);
}
.slider input[type='range']:hover::-webkit-slider-thumb { transform: scale(1.06); }
.slider input[type='range']:active::-webkit-slider-thumb { transform: scale(1.14); }
.slider input[type='range']:focus-visible { outline: none; }
.slider input[type='range']:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--focus), 0 3px 8px rgb(0 0 0 / 0.25); }
.slider.bipolar .rail { position: relative; }
.slider.bipolar .rail::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 7px;
  width: 1.5px;
  height: 8px;
  margin-left: -0.75px;
  border-radius: 1px;
  background: var(--label-3);
  pointer-events: none;
}

/* looks */
.looks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.look {
  text-align: left;
  background: var(--card-raised);
  border: 0;
  border-radius: 10px;
  padding: 6px 6px 7px;
  min-width: 0;
  box-shadow: 0 0 0 0 transparent;
  transition: transform 0.25s var(--spring), box-shadow 0.25s;
}
.look:hover { transform: translateY(-1px); }
.look:active { transform: scale(0.96); }
.look[aria-pressed='true'] { box-shadow: 0 0 0 2px var(--focus); }
.chips { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr 1.6fr 1.6fr 1.6fr 1.6fr 1.6fr; height: 22px; border-radius: 5px; overflow: hidden; }
.chips i { display: block; }
.look-name { display: block; margin-top: 6px; font-weight: 600; font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.look-line { margin: 10px 0; color: var(--label-2); font-size: 11.5px; min-height: 1.4em; }

/* switches (look on/off, gate weave, flicker, apply to all) */
.toggle {
  position: relative;
  flex: none;
  width: 38px;
  height: 23px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--fill-strong);
  font-size: 0;
  transition: background 0.25s;
}
.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 4px rgb(0 0 0 / 0.25);
  transition: transform 0.3s var(--spring);
}
.toggle[aria-checked='true'] { background: #30d158; }
.toggle[aria-checked='true']::after { transform: translateX(15px); }
.toggle:disabled { opacity: 0.35; }

.check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 0.5px solid var(--sep);
  color: var(--label);
  font-size: 12.5px;
  cursor: pointer;
}
.check input {
  order: 2;
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  flex: none;
  width: 38px;
  height: 23px;
  margin: 0;
  border-radius: 999px;
  background: var(--fill-strong);
  cursor: pointer;
  transition: background 0.25s;
}
.check input::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 4px rgb(0 0 0 / 0.25);
  transition: transform 0.3s var(--spring);
}
.check input:checked { background: #30d158; }
.check input:checked::after { transform: translateX(15px); }

/* reference match */
.match { display: grid; gap: 10px; }
.ref-drop {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  border: 1.5px dashed rgb(255 255 255 / 0.16);
  border-radius: 10px;
  background: transparent;
  padding: 6px 8px;
  text-align: left;
  color: var(--label-2);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.ref-drop:hover { border-color: var(--focus); color: var(--label); background: rgb(111 168 255 / 0.06); }
.ref-drop img { width: 72px; height: 40px; object-fit: cover; border-radius: 6px; animation: fadeIn 0.3s; }

/* LUT library */
.search {
  width: 100%;
  background: var(--fill) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13'%3E%3Ccircle cx='5.5' cy='5.5' r='4.5' fill='none' stroke='%23ebebf5' stroke-opacity='.6' stroke-width='1.5'/%3E%3Cpath d='M9 9l3 3' stroke='%23ebebf5' stroke-opacity='.6' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat 10px center;
  border: 0;
  border-radius: 8px;
  padding: 7px 10px 7px 30px;
}
.search::placeholder { color: var(--label-3); }
.lut-list { margin-top: 8px; max-height: 240px; overflow-y: auto; border-radius: 8px; }
.lut-group { padding: 8px 8px 3px; font-size: 11px; font-weight: 600; color: var(--label-2); position: sticky; top: 0; background: var(--card); }
.lut {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 6px 8px;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--label);
  transition: background 0.15s;
}
.lut:hover { background: var(--fill); }
.lut[aria-selected='true'] { background: var(--sg-daylight-deep); color: #fff; }
.lut-more { padding: 6px 8px; color: var(--label-3); font-size: 11px; }

/* buttons: filled (primary), tinted (default) and plain (ghost) */
.btn {
  border: 0;
  border-radius: 9px;
  padding: 8px 14px;
  background: var(--fill);
  white-space: nowrap;
  font-weight: 600;
  font-size: 12.5px;
  transition: background 0.2s, transform 0.2s var(--spring), opacity 0.2s, color 0.2s;
}
.btn:hover:not([disabled]) { background: var(--fill-strong); }
.btn:active:not([disabled]) { transform: scale(0.96); }
.btn.wide { width: 100%; }
.btn.primary { background: var(--accent); color: #1b1408; }
.btn.primary:hover:not([disabled]) { background: var(--sg-tungsten-deep); }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }
.btn.working { position: relative; color: transparent !important; }
.btn.working::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 15px;
  height: 15px;
  margin: -7.5px 0 0 -7.5px;
  border-radius: 50%;
  border: 2px solid var(--label);
  border-right-color: transparent;
  animation: spin 0.7s linear infinite;
}
.btn.primary.working::after { border-color: #1b1408; border-right-color: transparent; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.btn-row + .sliders, .btn.wide + .sliders { margin-top: 10px; }

/* ---- footer: translucent bar ------------------------------------------------------ */

.actions {
  position: relative;
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 8px;
  padding: 10px 16px 12px;
  background: rgb(28 28 31 / 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 -0.5px 0 var(--sep);
}
.btn.ghost { background: transparent; color: var(--label); }
.btn.ghost:hover:not([disabled]) { background: var(--fill); }
.wide-end { justify-self: end; }
#applyAll { background: var(--fill); }
.btn.armed { background: var(--accent) !important; color: #1b1408; animation: nudge 0.4s var(--pop); }
@keyframes nudge { 40% { transform: scale(1.05); } }
#compare.held { background: var(--focus); color: #08121f; }

/* toast: a floating capsule above the bar */
.toast {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  max-width: calc(100% - 32px);
  width: max-content;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgb(44 44 48 / 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 10px 30px -8px rgb(0 0 0 / 0.6), inset 0 0 0 0.5px rgb(255 255 255 / 0.1);
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, 8px) scale(0.96);
  transition: opacity 0.2s, transform 0.35s var(--spring);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translate(-50%, 0) scale(1); }
.toast.error { color: #ff6961; }

.sub-label { margin: 12px 0 6px; font-size: 11.5px; color: var(--label-2); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}