/* 4u.css — unified design system for the 4U Control Plane
   Aesthetic: editorial-technical. Mission-control-meets-broadsheet.
   Dark charcoal "paper" with warm amber accents, serif display + mono body. */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,400;0,600;0,700;1,400&family=JetBrains+Mono:wght@300;400;500;700&display=swap');

:root {
  /* Palette — warm graphite (eye-friendly) + Sunrise Recruit brand triad.
     Surfaces lifted from near-black to a warm L*≈12 baseline to reduce blue-cast
     fatigue during long viewing. Accents pulled from the company logomark
     (sun-red → amber → gold → yellow). */

  /* Surfaces */
  --ink:        #1a1814;         /* deepest background — warm graphite */
  --paper:      #221f1a;         /* card / panel */
  --paper-2:    #2c2922;         /* elevated panel */
  --rule:       #3a3631;         /* hairline borders */
  --rule-strong:#4a463f;

  /* Text — off-bone, slightly warm to harmonize with surfaces */
  --text:       #e8e2d4;         /* primary text */
  --text-dim:   #a8a294;         /* secondary */
  --text-mute:  #7a7568;         /* tertiary */

  /* Sunrise Recruit brand triad (logomark colors, exposed as tokens) */
  --sr-red:     #e63a2e;         /* sun disc */
  --sr-amber:   #d4a23a;         /* upper band */
  --sr-gold:    #f0c93a;         /* middle band */
  --sr-yellow:  #ffe23a;         /* lower band */

  /* Primary accent maps to the brand amber for backwards compatibility,
     but readouts now reach for sr-gold / sr-red where appropriate. */
  --amber:      #d4a23a;
  --amber-hi:   #f0c93a;
  --amber-lo:   #8a6a24;

  --ok:         #7fb069;
  --warn:       #e8a24b;
  --blk:        #c94f4f;         /* blocked/error */
  --idle:       #5a5e66;

  /* Codebase tags */
  --cb-sr-web:        #d97706;
  --cb-sunrise-tools: #0891b2;
  --cb-sr-proxy:      #a78bfa;
  --cb-recruitment-os:#34d399;
  --cb-4u-platform:   #ef4444;
  --cb-n8n:           #ea4b71;

  --radius-s: 2px;
  --radius-m: 4px;
  --radius-l: 6px;

  --shadow-1: 0 1px 0 rgba(255,255,255,0.02) inset, 0 8px 24px rgba(0,0,0,0.35);
  --shadow-2: 0 1px 0 rgba(255,255,255,0.04) inset, 0 18px 48px rgba(0,0,0,0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: var(--ink);
  color: var(--text);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    /* subtle grain */
    radial-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    /* warm sunrise vignette from top-left, biased red→amber to reflect the brand */
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(230,58,46,0.05), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 0%, rgba(240,201,58,0.04), transparent 55%),
    linear-gradient(180deg, #1a1814 0%, #1a1814 100%);
  background-size: 3px 3px, auto, auto, auto;
}

/* ----- Typography ---------------------------------------------------------- */
.display, h1, h2, h3, .serif {
  font-family: 'IBM Plex Serif', 'Times New Roman', serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: 42px; line-height: 1.05; }
h2 { font-size: 24px; line-height: 1.2; }
h3 { font-size: 17px; line-height: 1.3; }
.italic { font-style: italic; }

.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.dim { color: var(--text-dim); }
.mute { color: var(--text-mute); }

a { color: var(--amber); text-decoration: none; border-bottom: 1px dotted var(--amber-lo); }
a:hover { color: var(--amber-hi); border-bottom-color: var(--amber); }

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 28px 0;
}

/* ----- Layout -------------------------------------------------------------- */
.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 28px 80px;
}
@media (max-width: 640px) {
  .shell { padding: 20px 16px 60px; }
}

/* Masthead — the broadsheet-style header */
.masthead {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  padding-bottom: 14px;
  border-bottom: 3px double var(--rule-strong);
  margin-bottom: 32px;
}
.masthead .logomark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'IBM Plex Serif', serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.masthead .logomark .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(180deg, var(--sr-red) 0%, var(--sr-red) 50%, var(--sr-amber) 50%, var(--sr-amber) 65%, var(--sr-gold) 65%, var(--sr-gold) 80%, var(--sr-yellow) 80%);
  box-shadow: 0 0 14px rgba(230,58,46,0.5);
}
.masthead .title-block .edition {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.masthead .title-block h1 {
  font-size: 38px;
}
.masthead .title-block .tagline {
  font-family: 'IBM Plex Serif', serif;
  font-style: italic;
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 6px;
}
.masthead .meta {
  text-align: right;
  font-size: 11px;
  color: var(--text-mute);
  line-height: 1.7;
}
.masthead .meta .live-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok); margin-right: 6px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(127,176,105,0.5); }
  50%      { opacity: 0.6; box-shadow: 0 0 0 6px rgba(127,176,105,0); }
}

/* Top nav pills */
.topnav {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: -16px 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.topnav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--text-dim);
  background: var(--paper);
}
.topnav a:hover { color: var(--text); border-color: var(--rule-strong); }
.topnav a.active { color: var(--ink); background: var(--amber); border-color: var(--amber); }

/* ----- Panels -------------------------------------------------------------- */
.panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-m);
  padding: 20px;
  box-shadow: var(--shadow-1);
}
.panel.raised { background: var(--paper-2); box-shadow: var(--shadow-2); }
.panel + .panel { margin-top: 14px; }

.panel-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding-bottom: 14px; margin-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.panel-head .kicker { margin-right: auto; }

/* ----- Rollup tiles -------------------------------------------------------- */
.rollups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.rollup {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.rollup::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--amber); opacity: 0.5;
}
.rollup .label {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 8px;
}
.rollup .value {
  font-family: 'IBM Plex Serif', serif;
  font-size: 30px; font-weight: 600; line-height: 1;
  color: var(--text);
}
.rollup .value .unit { font-size: 14px; color: var(--text-dim); margin-left: 3px; }
.rollup .sub { font-size: 10px; color: var(--text-mute); margin-top: 6px; }

/* ----- Feature grid -------------------------------------------------------- */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}
.feat-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 16px 16px 14px;
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, transform .15s, background .15s;
  position: relative;
  border-bottom: 0;
}
.feat-card:hover {
  border-color: var(--amber);
  background: var(--paper-2);
  transform: translateY(-1px);
}
.feat-card .feat-head {
  display: flex; justify-content: space-between; gap: 10px; align-items: flex-start;
}
.feat-card .feat-name {
  font-family: 'IBM Plex Serif', serif;
  font-size: 15px; font-weight: 600; line-height: 1.25;
  color: var(--text);
}
.feat-card .feat-sum {
  font-size: 11px; color: var(--text-dim); line-height: 1.5;
}
.feat-card .feat-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; color: var(--text-mute);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
}

/* Status pill */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 999px;
  border: 1px solid currentColor;
  line-height: 1;
  white-space: nowrap;
}
.pill .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.pill.s-planned { color: var(--idle); }
.pill.s-in-progress { color: var(--warn); }
.pill.s-done { color: var(--ok); }
.pill.s-blocked { color: var(--blk); }

/* Codebase tag */
.cb-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid var(--rule-strong);
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
}
.cb-tag.cb-sr-web         { color: var(--cb-sr-web); border-color: rgba(217,119,6,0.35); }
.cb-tag.cb-sunrise-tools  { color: var(--cb-sunrise-tools); border-color: rgba(8,145,178,0.35); }
.cb-tag.cb-sr-proxy       { color: var(--cb-sr-proxy); border-color: rgba(167,139,250,0.35); }
.cb-tag.cb-recruitment-os { color: var(--cb-recruitment-os); border-color: rgba(52,211,153,0.35); }
.cb-tag.cb-4u-platform    { color: var(--cb-4u-platform); border-color: rgba(239,68,68,0.35); }
.cb-tag.cb-n8n            { color: var(--cb-n8n); border-color: rgba(234,75,113,0.35); }

/* ----- Progress bar -------------------------------------------------------- */
.prog {
  position: relative;
  height: 4px;
  background: rgba(255,255,255,0.04);
  overflow: hidden;
}
.prog .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--sr-red), var(--sr-amber) 50%, var(--sr-gold));
  transition: width .6s cubic-bezier(.2,.8,.2,1);
}
.prog.tall { height: 8px; }
.prog.done .fill { background: linear-gradient(90deg, #4a7a3b, var(--ok)); }

.prog-label {
  display: flex; justify-content: space-between;
  font-size: 10px; color: var(--text-mute);
  margin-top: 6px;
}
.prog-pct {
  font-family: 'IBM Plex Serif', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}

/* ----- Section headers ----------------------------------------------------- */
.section-header {
  display: flex; align-items: baseline; gap: 14px;
  margin: 36px 0 14px;
}
.section-header h2 {
  font-size: 22px;
}
.section-header .phase-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.section-header .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
  margin-left: 8px;
}

/* ----- Filter bar ---------------------------------------------------------- */
.filterbar {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 0 24px;
  align-items: center;
}
.filterbar .fb-label {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-mute);
  margin-right: 4px;
}
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 2px;
  transition: all .12s;
}
.chip:hover { border-color: var(--rule-strong); color: var(--text); }
.chip.active { background: var(--amber); color: var(--ink); border-color: var(--amber); }

/* ----- Feature detail page ------------------------------------------------- */
.feat-hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 28px;
}
@media (max-width: 760px) { .feat-hero { grid-template-columns: 1fr; } }
.feat-hero h1 { font-size: 36px; margin-bottom: 12px; }
.feat-hero .lede {
  font-family: 'IBM Plex Serif', serif;
  font-size: 16px; line-height: 1.5;
  color: var(--text);
}
.feat-hero .aside {
  border-left: 1px solid var(--rule);
  padding-left: 24px;
  font-size: 11px;
}
.feat-hero .aside dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; }
.feat-hero .aside dt {
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-mute); padding-top: 2px;
}
.feat-hero .aside dd { color: var(--text); }

/* Subtask checklist */
.checklist { list-style: none; }
.checklist li {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 12px;
}
.checklist li:last-child { border-bottom: 0; }
.checklist .box {
  width: 14px; height: 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  background: transparent;
  transition: all .12s;
  flex-shrink: 0;
}
.checklist .box:hover { border-color: var(--amber); }
.checklist li.checked .box {
  background: var(--amber); border-color: var(--amber);
}
.checklist li.checked .box::after {
  content: ''; width: 8px; height: 4px;
  border-left: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  transform: rotate(-45deg) translate(1px, -1px);
}
.checklist li.checked .task { color: var(--text-mute); text-decoration: line-through; }
.checklist .idx {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; color: var(--text-mute);
}

/* ----- Admin UI ------------------------------------------------------------ */
.admin-row {
  display: grid;
  grid-template-columns: minmax(200px, 2fr) 1fr 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
}
.admin-row:hover { background: var(--paper-2); }
.admin-row .feat-id {
  font-family: 'IBM Plex Serif', serif;
  font-size: 14px;
  font-weight: 600;
}
.admin-row .feat-id small {
  display: block; font-family: 'JetBrains Mono', monospace; font-weight: 400;
  font-size: 10px; color: var(--text-mute); margin-top: 2px;
}

.input, select, textarea {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  background: var(--ink);
  color: var(--text);
  border: 1px solid var(--rule);
  padding: 6px 8px;
  border-radius: 2px;
  width: 100%;
}
.input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--amber);
}

button.btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  color: var(--text);
  cursor: pointer;
  border-radius: 2px;
  transition: all .12s;
}
button.btn:hover { border-color: var(--amber); color: var(--amber); }
button.btn.primary {
  background: var(--amber); color: var(--ink); border-color: var(--amber);
}
button.btn.primary:hover { background: var(--amber-hi); border-color: var(--amber-hi); color: var(--ink); }
button.btn.ghost { border-color: var(--rule); }
button.btn[disabled] { opacity: 0.4; cursor: not-allowed; }

.toast {
  position: fixed; bottom: 28px; right: 28px;
  background: var(--paper-2);
  border: 1px solid var(--amber);
  border-left-width: 3px;
  color: var(--text);
  padding: 12px 18px;
  font-size: 12px;
  box-shadow: var(--shadow-2);
  z-index: 1000;
  animation: slide-in .2s ease;
}
@keyframes slide-in { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ----- Footer -------------------------------------------------------------- */
.foot {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  font-size: 10px;
  color: var(--text-mute);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ----- Utility ------------------------------------------------------------- */
.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.tight { gap: 4px; }
.stack > * + * { margin-top: 8px; }
.stack-lg > * + * { margin-top: 18px; }
.mono { font-family: 'JetBrains Mono', monospace; }
.center { text-align: center; }
.hidden { display: none !important; }

/* Loading state */
.loading {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-mute);
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 40px; text-align: center;
}
.loading::after {
  content: '…';
  animation: dots 1.2s infinite;
}
@keyframes dots { 0%, 20% { content: '.'; } 40% { content: '..'; } 60%, 100% { content: '...'; } }

/* Empty state */
.empty {
  padding: 60px 20px; text-align: center; color: var(--text-mute); font-size: 12px;
  border: 1px dashed var(--rule); border-radius: var(--radius-m);
}