:root {
  --ink-950: #0A1220;
  --ink-900: #0F1A2C;
  --ink-800: #152238;
  --ink-700: #1E2E48;
  --ink-600: #2C3E5E;
  --ink-400: #6B7A94;
  --ink-300: #94A3B8;
  --ink-200: #C4CFDF;
  --paper:   #F7F5EF;
  --paper-2: #EEEAE0;
  --paper-3: #E5E0D3;
  --rule:    #D9D3C2;
  --rule-light: #E8E3D4;
  --teal:    #0B8F8A;
  --teal-2:  #0E726E;
  --teal-bg: #D7EDEB;
  --amber:   #B8580B;
  --amber-bg:#F4E4CC;
  --crimson: #9B2D1F;
  --crimson-bg: #F0D9D4;
  --emerald: #2E7D5B;
  --emerald-bg: #D3E5DA;
  --serif: "Fraunces", ui-serif, Georgia, serif;
  --sans:  "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink-900);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

/* ===== APP SHELL ===== */
.app {
  display: grid;
  grid-template-columns: 260px 1fr var(--rail-w, 340px);
  grid-template-rows: 56px 1fr;
  height: 100vh;
  width: 100vw;
  transition: grid-template-columns 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.app.rail-collapsed { --rail-w: 56px; }
.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--ink-950);
  color: var(--paper);
  border-bottom: 1px solid var(--ink-800);
}
.topbar .brand { display: flex; align-items: center; gap: 10px; min-width: 0; flex-shrink: 1; overflow: hidden; }
.topbar .brand img { opacity: 1; background: var(--paper); padding: 4px 8px; border-radius: 3px; }
.topbar .brand .client img { background: transparent; padding: 0; border-radius: 2px; }
.topbar .brand-mark {
  width: 28px; height: 28px; border-radius: 2px;
  background: var(--teal);
  display: grid; place-items: center;
  font-family: var(--serif); font-weight: 600; color: var(--ink-950); font-size: 16px;
  letter-spacing: -0.02em;
}
.topbar .brand-name { font-family: var(--serif); font-size: 17px; letter-spacing: -0.01em; }
.topbar .brand-name em { font-style: italic; color: var(--ink-200); font-weight: 400; }
.topbar .sep { width: 1px; height: 18px; background: var(--ink-700); }
.topbar .client {
  display: flex; gap: 14px; align-items: baseline;
  font-family: var(--mono); font-size: 11px; color: var(--ink-200);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.topbar .client b { color: var(--paper); font-weight: 500; }
.topbar .right { display: flex; gap: 10px; align-items: center; font-family: var(--mono); font-size: 11px; color: var(--ink-300); text-transform: uppercase; letter-spacing: 0.08em; flex-shrink: 0; }
.topbar .progress-badge {
  padding: 4px 10px; border: 1px solid var(--ink-700); border-radius: 2px;
  background: var(--ink-900);
}
.topbar .progress-badge b { color: var(--teal); font-weight: 500; }
.topbar .export-btn {
  padding: 7px 14px; background: var(--teal); color: var(--ink-950);
  border-radius: 2px; font-size: 11px; font-weight: 600;
  font-family: var(--mono); letter-spacing: 0.06em;
  transition: background 0.15s;
}
.topbar .export-btn:hover { background: #0CA59E; }

/* ===== SIDEBAR ===== */
.sidebar {
  background: var(--paper-2);
  border-right: 1px solid var(--rule);
  overflow-y: auto;
  padding: 20px 0;
}
.side-group { padding: 0 20px 14px; }
.side-label {
  font-family: var(--mono); font-size: 10px; color: var(--ink-400);
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0 0 8px; border-bottom: 1px solid var(--rule);
  margin-bottom: 8px;
}
.side-item {
  display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: baseline;
  padding: 9px 10px; margin: 1px -10px;
  border-radius: 2px; cursor: pointer;
  transition: background 0.12s;
  border-left: 2px solid transparent;
}
.side-item:hover { background: var(--paper-3); }
.side-item.active {
  background: var(--ink-950); color: var(--paper);
  border-left-color: var(--teal);
}
.side-item .num {
  font-family: var(--mono); font-size: 10px; color: var(--ink-400);
  letter-spacing: 0.04em;
}
.side-item.active .num { color: var(--teal); }
.side-item .name { font-size: 13px; font-weight: 500; letter-spacing: -0.005em; }
.side-item .time { font-family: var(--mono); font-size: 10px; color: var(--ink-400); }
.side-item.active .time { color: var(--ink-200); }
.side-item .check {
  position: absolute; /* inline below */
}
.side-item.completed { }
.side-item.completed .num::before {
  content: "✓ ";
  color: var(--teal); font-weight: 600;
}

/* ===== CANVAS ===== */
.canvas {
  overflow-y: auto;
  background: var(--paper);
  padding: 40px 56px 80px;
}
.canvas-inner { max-width: 820px; margin: 0 auto; }

.section-eyebrow {
  font-family: var(--mono); font-size: 11px; color: var(--teal-2);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--serif); font-weight: 500;
  font-size: 40px; line-height: 1.05; letter-spacing: -0.02em;
  margin: 0 0 10px; color: var(--ink-950);
}
.section-title em { font-style: italic; font-weight: 400; color: var(--teal-2); }
.section-lede {
  font-size: 15.5px; color: var(--ink-700); line-height: 1.55;
  max-width: 640px; margin-bottom: 24px;
}
.section-rule {
  height: 1px; background: var(--ink-900); margin: 0 0 36px;
  width: 48px;
}

/* ===== FORM PRIMITIVES ===== */
.field { margin-bottom: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
.field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 22px; }
.label {
  font-family: var(--mono); font-size: 10px; color: var(--ink-600);
  letter-spacing: 0.1em; text-transform: uppercase;
  display: block; margin-bottom: 6px;
}
.text-input, .select {
  width: 100%; padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-size: 14px; color: var(--ink-900);
  transition: border-color 0.15s, background 0.15s;
}
.text-input:focus, .select:focus {
  outline: none; border-color: var(--teal); background: #fff;
}
.textarea { min-height: 72px; resize: vertical; font-family: var(--sans); }
.helper { font-size: 12px; color: var(--ink-400); margin-top: 4px; }

/* Chip choices */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 7px 12px;
  font-size: 12px; font-weight: 500;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent; color: var(--ink-700);
  transition: all 0.12s;
  display: inline-flex; align-items: center; gap: 6px;
}
.chip:hover { border-color: var(--ink-600); }
.chip.selected {
  background: var(--ink-950); color: var(--paper);
  border-color: var(--ink-950);
}
.chip .tick { width: 10px; height: 10px; }

/* Radio cards */
.radio-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.radio-cards.three { grid-template-columns: 1fr 1fr 1fr; }
.radio-card {
  padding: 12px 14px; border: 1px solid var(--rule);
  border-radius: 2px; text-align: left;
  transition: all 0.12s;
  background: transparent;
}
.radio-card:hover { border-color: var(--ink-600); }
.radio-card.selected {
  border-color: var(--teal); background: var(--teal-bg);
  box-shadow: inset 0 0 0 1px var(--teal);
}
.radio-card .rc-title {
  font-size: 13px; font-weight: 600; color: var(--ink-900);
  margin-bottom: 2px;
}
.radio-card .rc-sub { font-size: 11.5px; color: var(--ink-400); line-height: 1.4; }

/* Radio card with media (e.g. packaging mockups) */
.radio-card.has-media { padding: 0; display: flex; flex-direction: column; overflow: hidden; }
.radio-card.has-media .rc-media {
  aspect-ratio: 5 / 2;
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  padding: 10px 14px;
  overflow: hidden;
}
.radio-card.has-media .rc-media img {
  max-width: 100%; max-height: 100%;
  object-fit: contain; display: block;
  filter: drop-shadow(0 6px 14px rgba(10, 18, 32, 0.08));
}
.radio-card.has-media .rc-body { padding: 12px 14px; }
.radio-card.has-media.selected .rc-media {
  background: color-mix(in oklab, var(--teal-bg) 60%, #FFFFFF);
  border-bottom-color: var(--teal);
}

/* Big kit cards */
.kit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kit-card {
  padding: 16px; border: 1px solid var(--rule);
  background: var(--paper-2);
  border-radius: 2px; text-align: left;
  position: relative;
  transition: all 0.15s;
}
.kit-card:hover { border-color: var(--ink-600); background: var(--paper-3); }
.kit-card.selected {
  border-color: var(--teal); background: #fff;
  box-shadow: 0 0 0 1px var(--teal), 0 4px 12px rgba(11,143,138,0.08);
}
.kit-card.selected::after {
  content: "SELECTED";
  position: absolute; top: 10px; right: 10px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em;
  color: var(--teal-2); font-weight: 600;
}
.kit-card .kit-id {
  font-family: var(--mono); font-size: 10px; color: var(--teal-2);
  letter-spacing: 0.12em;
}
.kit-card .kit-name {
  font-family: var(--serif); font-size: 18px; font-weight: 500;
  margin: 4px 0 6px; letter-spacing: -0.01em;
}
.kit-card .kit-meta {
  display: flex; gap: 14px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-400);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.kit-card .kit-return {
  font-size: 13px; color: var(--ink-700);
}
.kit-card .kit-return b {
  color: var(--teal-2); font-family: var(--mono); font-weight: 500;
}
.kit-card .kit-pop {
  margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--rule);
  font-size: 12px; color: var(--ink-600);
  display: flex; justify-content: space-between;
}
.kit-card .kit-pop b { font-family: var(--mono); color: var(--ink-900); font-weight: 500; }

/* ===== SUMMARY PANEL ===== */
.summary {
  background: var(--ink-950);
  color: var(--paper);
  position: relative;
  transition: padding 0.2s;
}

/* Rail collapse toggle */
.rail-toggle {
  position: absolute; top: 10px; right: 10px;
  width: 24px; height: 24px; border-radius: 2px;
  background: var(--ink-800); color: var(--ink-300);
  border: 1px solid var(--ink-700); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; z-index: 2;
  transition: background 0.15s, color 0.15s;
}
.rail-toggle:hover { background: var(--teal); color: var(--ink-950); }
.app.rail-collapsed .rail-toggle { left: 50%; transform: translateX(-50%); right: auto; }

/* Collapsed icon strip */
.rail-strip {
  position: absolute; top: 52px; left: 0; right: 0; bottom: 0;
  overflow-y: auto; padding: 6px 4px 40px;
  display: flex; flex-direction: column; gap: 2px;
}
.rail-strip-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 44px; border-radius: 2px; cursor: pointer;
  background: transparent; border: 1px solid transparent;
  color: var(--ink-400); position: relative;
  transition: background 0.12s, color 0.12s, border 0.12s;
}
.rail-strip-item:hover { background: var(--ink-900); color: var(--paper); border-color: var(--ink-700); }
.rail-strip-item.active { background: var(--ink-900); color: var(--teal); border-color: var(--ink-700); }
.rail-strip-item.completed::after {
  content: ''; position: absolute; top: 4px; right: 4px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--teal);
}
.rail-strip-item .num {
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.06em;
}
.rail-strip-item .mini-badge {
  position: absolute; bottom: 2px; font-family: var(--mono); font-size: 7.5px;
  color: var(--teal); letter-spacing: 0.04em; line-height: 1;
}
.rail-strip-sep {
  height: 1px; background: var(--ink-800); margin: 6px 6px;
}
.rail-strip-label {
  font-family: var(--mono); font-size: 8px; color: var(--ink-600);
  text-transform: uppercase; letter-spacing: 0.1em; text-align: center;
  padding: 4px 0 2px; writing-mode: horizontal-tb;
}

.app.rail-collapsed .summary > *:not(.rail-toggle):not(.rail-strip) { display: none !important; }
.app:not(.rail-collapsed) .rail-strip { display: none; }

.summary {
  overflow-y: auto;
  padding: 20px 22px 40px;
  border-left: 1px solid var(--ink-800);
}
.sum-brand {
  font-family: var(--mono); font-size: 10px; color: var(--ink-300);
  letter-spacing: 0.14em; text-transform: uppercase;
  padding-bottom: 10px; border-bottom: 1px solid var(--ink-800);
  margin-bottom: 16px;
}
.sum-brand b { color: var(--paper); }
.sum-section { margin-bottom: 18px; }
.sum-section-h {
  font-family: var(--mono); font-size: 10px; color: var(--teal);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 8px;
}
.sum-row {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 5px 0;
  font-size: 12px;
  border-bottom: 1px dotted var(--ink-800);
}
.sum-row:last-child { border-bottom: none; }
.sum-row .k { color: var(--ink-300); }
.sum-row .v { color: var(--paper); font-weight: 500; text-align: right; font-family: var(--mono); font-size: 11.5px; }
.sum-row .v.empty { color: var(--ink-400); font-style: italic; font-weight: 400; }

.sum-forecast {
  background: var(--ink-900); border: 1px solid var(--ink-700);
  padding: 14px; border-radius: 2px; margin-top: 10px;
}
.sum-forecast .fc-label {
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-300);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.sum-forecast .fc-value {
  font-family: var(--serif); font-size: 28px; font-weight: 500;
  color: var(--teal); margin: 4px 0;
  letter-spacing: -0.01em;
}
.sum-forecast .fc-sub {
  font-size: 11px; color: var(--ink-300);
}

/* ===== DASHBOARD CARDS (database views) ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
.stat {
  padding: 14px 16px; border: 1px solid var(--rule);
  background: var(--paper-2);
  border-radius: 2px;
}
.stat .label { margin-bottom: 4px; }
.stat .value {
  font-family: var(--serif); font-size: 26px; font-weight: 500;
  letter-spacing: -0.02em; line-height: 1.05;
}
.stat .sub {
  font-family: var(--mono); font-size: 10.5px; color: var(--ink-400);
  margin-top: 3px; letter-spacing: 0.04em;
}
.stat.accent { background: var(--ink-950); color: var(--paper); border-color: var(--ink-950); }
.stat.accent .label { color: var(--teal); }
.stat.accent .sub { color: var(--ink-300); }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.data-table th {
  text-align: left; padding: 8px 10px;
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  color: var(--ink-400); letter-spacing: 0.08em; text-transform: uppercase;
  border-bottom: 1px solid var(--ink-900);
  background: var(--paper-2);
}
.data-table td {
  padding: 9px 10px; border-bottom: 1px solid var(--rule-light);
}
.data-table tr:hover td { background: var(--paper-2); }
.data-table .num { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
.data-table .rank {
  font-family: var(--mono); font-size: 11px; color: var(--teal-2);
  font-weight: 600; width: 36px;
}
.tier-pill {
  display: inline-block; padding: 2px 8px;
  font-family: var(--mono); font-size: 9.5px;
  border-radius: 2px; letter-spacing: 0.08em; font-weight: 500;
}
.tier-1 { background: var(--teal-bg); color: var(--teal-2); }
.tier-2 { background: var(--amber-bg); color: var(--amber); }
.tier-3 { background: var(--paper-3); color: var(--ink-600); }
.shortage-yes { color: var(--crimson); font-weight: 600; font-family: var(--mono); font-size: 11px; }

/* Star rating cells */
.stars-cell { display: flex; gap: 1px; }
.star { width: 9px; height: 9px; background: var(--ink-200); }
.star.filled { background: var(--amber); }
.pill {
  display: inline-block; padding: 2px 7px; font-size: 10.5px;
  font-family: var(--mono); letter-spacing: 0.04em; border-radius: 2px;
}
.pill.lift { background: var(--teal); color: var(--paper); font-weight: 600; }
.pill.defend { background: var(--ink-900); color: var(--paper); }
.pill.gap-neg { background: var(--crimson-bg); color: var(--crimson); }
.pill.gap-pos { background: var(--emerald-bg); color: var(--emerald); }

/* KED gap slider visual */
.ked-scenario {
  padding: 20px; border: 1px solid var(--ink-900);
  background: var(--paper-2); border-radius: 2px; margin: 20px 0;
}
.ked-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.ked-header h4 {
  font-family: var(--serif); font-weight: 500; font-size: 18px;
  margin: 0; letter-spacing: -0.01em;
}
.ked-bar-wrap { position: relative; height: 36px; margin: 20px 0 8px; }
.ked-track {
  position: absolute; top: 14px; left: 0; right: 0; height: 8px;
  background: linear-gradient(to right, var(--crimson-bg), var(--amber-bg), var(--teal-bg));
  border-radius: 1px;
}
.ked-cut {
  position: absolute; top: 6px; width: 2px; height: 24px;
  background: var(--ink-950);
}
.ked-cut-label {
  position: absolute; top: -4px;
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-950);
  transform: translateX(-50%);
  white-space: nowrap; letter-spacing: 0.05em;
}
.ked-marker {
  position: absolute; top: 4px; width: 12px; height: 28px;
  background: var(--teal); border-radius: 1px;
  transform: translateX(-50%);
  box-shadow: 0 0 0 2px var(--paper);
}
.ked-marker-label {
  position: absolute; bottom: -4px;
  font-family: var(--mono); font-size: 10px; color: var(--teal-2);
  transform: translateX(-50%); font-weight: 600;
  white-space: nowrap;
}

.slider-wrap { margin: 14px 0; }
.slider-wrap input[type="range"] { width: 100%; accent-color: var(--teal); }
.slider-labels { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; color: var(--ink-400); margin-top: 4px; letter-spacing: 0.06em; }

.calc-output {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 10px; margin-top: 18px;
}
.calc-cell {
  padding: 12px 14px; background: var(--paper); border: 1px solid var(--rule);
  border-radius: 2px;
}
.calc-cell .cc-k {
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-400);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.calc-cell .cc-v {
  font-family: var(--serif); font-size: 22px; font-weight: 500;
  letter-spacing: -0.01em; margin-top: 4px;
}

/* Channel mix */
.channels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 16px 0; }
.chan {
  padding: 14px 10px; border: 1px solid var(--rule);
  border-radius: 2px; text-align: center; cursor: pointer;
  transition: all 0.15s;
  background: var(--paper-2);
  position: relative;
}
.chan:hover { border-color: var(--ink-600); }
.chan.on { border-color: var(--teal); background: #fff; box-shadow: inset 0 0 0 1px var(--teal); }
.chan.on::after {
  content: ""; position: absolute; top: 6px; right: 6px;
  width: 6px; height: 6px; background: var(--teal); border-radius: 50%;
}
.chan .ico {
  font-family: var(--mono); font-size: 14px; font-weight: 600;
  color: var(--ink-950); letter-spacing: 0.04em;
}
.chan.on .ico { color: var(--teal-2); }
.chan .cn {
  font-size: 11px; font-weight: 500; margin-top: 4px;
  color: var(--ink-700);
}
.chan .clift {
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-400);
  margin-top: 2px;
}

/* Segmentation builder */
.seg-row {
  display: grid; grid-template-columns: 40px 1fr 110px 110px 30px;
  gap: 10px; align-items: center;
  padding: 10px 12px; background: var(--paper-2); margin-bottom: 6px;
  border: 1px solid var(--rule); border-radius: 2px;
}
.seg-row .seg-dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--ink-950);
}
.seg-row input[type="text"] {
  background: transparent; border: none; font-weight: 500;
}
.seg-row input[type="text"]:focus { outline: none; }
.seg-row .num-in {
  background: var(--paper); border: 1px solid var(--rule);
  border-radius: 2px; padding: 5px 8px; text-align: right;
  font-family: var(--mono); font-size: 12px;
}
.seg-meter {
  margin-top: 14px; padding: 14px; background: var(--ink-950);
  color: var(--paper); border-radius: 2px;
}
.seg-bar-track {
  height: 14px; background: var(--ink-800);
  border-radius: 1px; overflow: hidden;
  display: flex;
}
.seg-bar-seg { height: 100%; border-right: 1px solid var(--ink-950); }

/* Rule / divider */
hr.rule { border: none; border-top: 1px solid var(--rule); margin: 32px 0; }
.block-head {
  font-family: var(--mono); font-size: 11px; color: var(--ink-900);
  letter-spacing: 0.12em; text-transform: uppercase;
  border-bottom: 1px solid var(--ink-900);
  padding-bottom: 6px; margin: 28px 0 16px;
  display: flex; justify-content: space-between; align-items: baseline;
}
.block-head span.aux { color: var(--ink-400); font-size: 10.5px; letter-spacing: 0.08em; }

.note {
  padding: 12px 14px; background: var(--paper-2);
  border-left: 2px solid var(--teal);
  font-size: 13px; color: var(--ink-700); margin: 18px 0;
  line-height: 1.55;
}
.note b { color: var(--ink-950); }

/* Footer nav */
.section-nav {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule);
}
.sn-btn {
  padding: 10px 20px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--ink-900); color: var(--ink-900);
  border-radius: 2px;
  transition: all 0.15s;
}
.sn-btn:hover { background: var(--ink-950); color: var(--paper); }
.sn-btn.primary {
  background: var(--ink-950); color: var(--paper);
}
.sn-btn.primary:hover { background: var(--teal-2); border-color: var(--teal-2); }
.sn-btn.ghost { border: 1px solid transparent; color: var(--ink-400); }
.sn-btn.ghost:hover { background: transparent; color: var(--ink-700); border-color: var(--rule); }

/* ===== TWEAKS PANEL ===== */
.tweaks-panel {
  position: fixed; bottom: 18px; right: 18px; z-index: 50;
  background: var(--paper); color: var(--ink-950);
  border: 1px solid var(--ink-900); border-radius: 3px;
  width: 280px; box-shadow: 0 12px 40px rgba(10,18,32,0.18);
  font-size: 12px;
}
.tweaks-head {
  background: var(--ink-950); color: var(--paper);
  padding: 8px 12px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  display: flex; justify-content: space-between;
}
.tweaks-body { padding: 12px 14px; }
.tweak { margin-bottom: 10px; }
.tweak label {
  display: block; font-family: var(--mono); font-size: 10px;
  color: var(--ink-400); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.tweak select, .tweak input[type="text"] {
  width: 100%; padding: 5px 8px; border: 1px solid var(--rule);
  background: var(--paper-2); border-radius: 2px;
}
.tweak-swatches { display: flex; gap: 6px; }
.swatch { width: 22px; height: 22px; border-radius: 2px; cursor: pointer; border: 1px solid var(--rule); }
.swatch.active { outline: 2px solid var(--ink-950); outline-offset: 1px; }

/* Completion checkbox row */
.complete-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: transparent; color: var(--ink-400);
  border: 1px solid var(--rule); border-radius: 2px;
}
.complete-toggle:hover { color: var(--ink-900); border-color: var(--ink-600); }
.complete-toggle.done { background: var(--teal-bg); color: var(--teal-2); border-color: var(--teal); }
.complete-toggle .cb {
  width: 12px; height: 12px; border: 1.5px solid currentColor; border-radius: 1px;
  display: inline-grid; place-items: center;
}
.complete-toggle.done .cb { background: var(--teal); border-color: var(--teal); color: white; }

/* Print-friendly */
@media print {
  .sidebar, .summary, .tweaks-panel, .topbar, .section-nav { display: none; }
  .app { display: block; }
  .canvas { padding: 0; overflow: visible; }
}

/* ===== CAMPAIGN TIMELINE ===== */
.campaign-timeline {
  position: relative;
  padding-left: 8px;
  margin: 20px 0;
}
.campaign-timeline::before {
  content: "";
  position: absolute;
  left: 24px; top: 12px; bottom: 12px;
  width: 1px; background: var(--rule);
}
.timeline-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  margin-bottom: 10px;
  position: relative;
}
.ts-marker {
  width: 36px; height: 36px;
  border: 1px solid var(--ink-900);
  background: var(--paper);
  border-radius: 50%;
  display: grid; place-items: center;
  z-index: 1; position: relative;
  transition: all 0.15s;
}
.timeline-step.type-event .ts-marker { background: var(--paper-3); border-style: dashed; }
.timeline-step.type-opt-in .ts-marker { background: var(--teal-bg); border-color: var(--teal-2); }
.timeline-step.type-primary .ts-marker { background: var(--ink-950); border-color: var(--ink-950); }
.timeline-step.type-primary .ts-marker .ts-letter { color: var(--paper); }
.ts-letter {
  font-family: var(--mono); font-size: 13px; font-weight: 600;
  color: var(--ink-950); letter-spacing: 0.02em;
}
.ts-body {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  border-radius: 2px;
  padding: 12px 14px;
  transition: border-color 0.15s;
}
.timeline-step:hover .ts-body { border-color: var(--ink-600); }
.ts-header {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; margin-bottom: 8px;
}
.ts-name {
  font-family: var(--serif); font-weight: 500;
  font-size: 15px; letter-spacing: -0.005em;
  color: var(--ink-950);
  margin-left: 8px;
}
.ts-date {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-600); letter-spacing: 0.04em;
  white-space: nowrap;
}
.channel-chip {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 2px;
  vertical-align: 1px;
}
.ch-mail  { background: var(--ink-950); color: var(--paper); }
.ch-sms   { background: var(--teal); color: var(--paper); }
.ch-ivr   { background: var(--amber); color: var(--paper); }
.ch-email { background: var(--ink-600); color: var(--paper); }
.ch-live  { background: var(--crimson); color: var(--paper); }
.ts-preview {
  border-top: 1px dashed var(--rule);
  padding-top: 8px;
  cursor: pointer;
}
.ts-subj {
  font-size: 12px; font-weight: 600;
  color: var(--ink-900); margin-bottom: 3px;
}
.ts-body-text {
  font-size: 12px; color: var(--ink-600);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ts-detail {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--rule);
  display: grid; gap: 5px;
}
.ts-detail-row {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: 11.5px;
}
.ts-detail-k {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-400); letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ts-detail-v {
  color: var(--ink-900); font-weight: 500;
  text-align: right;
}

/* ===== CHARTS ===== */
.chart-bar-row {
  display: grid;
  grid-template-columns: 80px 1fr 90px;
  gap: 10px; align-items: center;
  padding: 6px 0;
  font-size: 12px;
}
.chart-bar-track {
  height: 16px; background: var(--paper-3);
  border-radius: 1px; overflow: hidden;
  position: relative;
}
.chart-bar-fill {
  height: 100%;
  background: var(--ink-950);
  position: relative;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 6px;
}
.chart-bar-fill.teal { background: var(--teal); }
.chart-bar-fill.amber { background: var(--amber); }
.chart-bar-cut {
  position: absolute; top: -2px; bottom: -2px;
  width: 2px; background: var(--crimson);
}
.chart-bar-label {
  font-family: var(--mono); font-size: 10px;
  color: var(--paper); letter-spacing: 0.04em;
}
.chart-bar-k {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-900); letter-spacing: 0.02em;
}
.chart-bar-v {
  font-family: var(--mono); font-size: 11.5px;
  color: var(--ink-600); text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Stars heatmap */
.stars-grid {
  display: grid;
  grid-template-columns: 140px repeat(5, 1fr);
  gap: 2px; margin: 18px 0;
}
.stars-grid-head {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-400); letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center; padding: 8px 4px;
  border-bottom: 1px solid var(--ink-900);
}
.stars-grid-row-label {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--ink-900); padding: 8px 4px;
  border-bottom: 1px dotted var(--rule);
}
.stars-cell-hm {
  padding: 8px 4px; text-align: center;
  border-bottom: 1px dotted var(--rule);
  font-family: var(--mono); font-size: 10px;
  font-weight: 600; color: var(--ink-600);
  transition: background 0.15s;
}
.stars-cell-hm.filled { background: var(--ink-950); color: var(--paper); }

/* Scrollbars */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }
.summary::-webkit-scrollbar-thumb { background: var(--ink-700); }
*::-webkit-scrollbar-track { background: transparent; }

/* ============================================================== */
/* CDX Freeze — banner, progress overlay, frozen-state visual lock */
/* ============================================================== */

#cdx-frozen-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 2147483646;
  background: #f0f9f6;
  border-bottom: 2px solid #0B8F8A;
  color: #0a4d4a;
  padding: 10px 18px;
  font-family: 'Segoe UI Variable Text', 'Segoe UI', Tahoma, sans-serif;
  font-size: 13px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
#cdx-frozen-banner .cdx-frozen-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 1400px;
  margin: 0 auto;
}
#cdx-frozen-banner .cdx-frozen-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: #0B8F8A;
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 13px;
}
#cdx-frozen-banner .cdx-frozen-text { flex: 1; min-width: 0; }
#cdx-frozen-banner .cdx-frozen-text b { color: #0a4d4a; font-weight: 600; }
#cdx-frozen-banner .cdx-frozen-text a {
  color: #0B8F8A;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dotted #0B8F8A;
}
#cdx-frozen-banner .cdx-frozen-text a:hover { border-bottom-style: solid; }
#cdx-frozen-banner .cdx-frozen-revise {
  background: transparent;
  border: 1px solid #0B8F8A;
  color: #0a4d4a;
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.02em;
}
#cdx-frozen-banner .cdx-frozen-revise:hover {
  background: #0B8F8A;
  color: #fff;
}

/* When frozen: push the topbar down so the banner doesn't cover it,
   and visually disable the canvas so reviewers know the form is locked. */
body.cdx-frozen { padding-top: 44px; }
body.cdx-frozen .canvas {
  pointer-events: none;
  opacity: 0.65;
  filter: saturate(0.8);
}
body.cdx-frozen .summary {
  pointer-events: none;
  opacity: 0.7;
}

/* Progress overlay shown during freeze (with fade-in + progress bar) */
#cdx-freeze-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  background: rgba(10, 18, 32, 0.82);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI Variable Text', 'Segoe UI', Tahoma, sans-serif;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#cdx-freeze-overlay.cdx-freeze-visible {
  opacity: 1;
}
#cdx-freeze-overlay .cdx-freeze-overlay-inner {
  background: #fff;
  border-radius: 14px;
  padding: 36px 44px;
  text-align: center;
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.45);
  min-width: 380px;
  max-width: 460px;
  transform: scale(0.96);
  transition: transform 0.3s ease;
}
#cdx-freeze-overlay.cdx-freeze-visible .cdx-freeze-overlay-inner {
  transform: scale(1);
}
#cdx-freeze-overlay .cdx-freeze-spinner {
  width: 40px; height: 40px;
  margin: 0 auto 18px;
  border: 3px solid #e5e5e7;
  border-top-color: #0B8F8A;
  border-radius: 50%;
  animation: cdxSpin 0.8s linear infinite;
}
#cdx-freeze-overlay .cdx-freeze-text {
  font-size: 13.5px;
  color: #1d1d1f;
  font-weight: 500;
  margin-bottom: 16px;
  min-height: 36px;
  line-height: 1.5;
}
#cdx-freeze-overlay .cdx-freeze-progress-bar {
  width: 100%;
  height: 8px;
  background: #f0f0f3;
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 8px;
}
#cdx-freeze-overlay .cdx-freeze-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #0B8F8A, #5f497a);
  border-radius: 99px;
  transition: width 0.3s ease;
  width: 0%;
}
#cdx-freeze-overlay .cdx-freeze-pct {
  font-family: Consolas, 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #86868b;
  letter-spacing: 0.04em;
}
@keyframes cdxSpin {
  to { transform: rotate(360deg); }
}

/* Toast notification (post-freeze success — replaces blocking alert) */
#cdx-toast {
  position: fixed;
  top: 60px;
  right: 24px;
  z-index: 2147483647;
  background: #0a4d4a;
  color: #fff;
  border-radius: 10px;
  padding: 14px 18px;
  font-family: 'Segoe UI Variable Text', 'Segoe UI', Tahoma, sans-serif;
  font-size: 13px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  max-width: 380px;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#cdx-toast.cdx-toast-visible {
  transform: translateX(0);
  opacity: 1;
}
#cdx-toast .cdx-toast-inner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
#cdx-toast .cdx-toast-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  background: #0B8F8A;
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}
#cdx-toast .cdx-toast-body { line-height: 1.45; }
#cdx-toast .cdx-toast-body b { font-weight: 600; }
#cdx-toast .cdx-toast-sub {
  font-size: 11.5px;
  opacity: 0.82;
  margin-top: 3px;
  font-family: Consolas, 'JetBrains Mono', monospace;
  letter-spacing: 0.02em;
}