/* A.I.M.S. Tool Warehouse — Living Shelf UI
   Design direction C: warehouse floor / shelf-zone grid / command palette
   All variables are canonical. ONE font family. Flat-black. Hairline neon. No rounded SaaS chrome.
*/

/* ─── Design tokens ──────────────────────────────────────────────────────────── */
:root {
  --bg:       #070707;
  --panel:    #0f1a0f;
  --line:     #1f3a1f;
  --dim:      #2f6b2f;
  --accent:   #39ff14;
  --soft:     #7dffa0;
  --text:     #e8ffe8;
  --amber:    #ffb200;
  --info:     #1ED1FF;
  --font:     ui-monospace, SFMono-Regular, Menlo, monospace;
  --glow-a:   0 0 8px #39ff14, 0 0 24px rgba(57,255,20,0.3);
  --glow-am:  0 0 8px #ffb200, 0 0 24px rgba(255,178,0,0.3);
  --glow-dim: 0 0 4px rgba(47,107,47,0.4);
  --bar-h:    4px;
  --zone-w:   220px;
}

/* ─── Reset / Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: dark; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-shadow: var(--glow-a); }

/* ─── Top bar ────────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,7,7,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 48px;
  gap: 1rem;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .7rem;
  color: var(--soft);
}

.topbar-brand .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--glow-a);
  flex-shrink: 0;
}

.topbar-brand strong {
  color: var(--accent);
  letter-spacing: .14em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.kbd-hint {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--dim);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: .3rem .6rem;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .15s, color .15s;
  user-select: none;
}

.kbd-hint:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.kbd-hint kbd {
  font-family: var(--font);
  font-size: .6rem;
  color: var(--soft);
  background: var(--line);
  padding: .1rem .3rem;
  border: 1px solid var(--dim);
}

.signin-link {
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: .3rem .8rem;
  transition: color .15s, border-color .15s;
}

.signin-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-shadow: var(--glow-a);
}

/* ─── Hero section ───────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 4rem 2rem 2.5rem;
  position: relative;
}

.hero-tag {
  font-size: .6rem;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 1rem;
}

.hero-count-wrap {
  position: relative;
  display: inline-block;
}

.hero-count {
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  font-weight: 700;
  color: var(--accent);
  text-shadow: var(--glow-a);
  letter-spacing: -.02em;
  line-height: 1;
  display: block;
  font-variant-numeric: tabular-nums;
}

.hero-label {
  font-size: .65rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--soft);
  opacity: .7;
  margin-top: .5rem;
}

.hero-sub {
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: .8rem;
}

.hero-certified {
  display: inline-block;
  margin-top: .6rem;
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--soft);
  border: 1px solid var(--line);
  padding: .2rem .7rem;
}

.hero-certified span {
  color: var(--accent);
}

/* ─── Command palette affordance ─────────────────────────────────────────────── */
.palette-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  margin: 1.6rem auto 0;
  cursor: pointer;
  max-width: 360px;
  padding: .55rem 1.2rem;
  border: 1px solid var(--dim);
  background: var(--panel);
  color: var(--dim);
  font-family: var(--font);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: border-color .15s, color .15s;
  user-select: none;
}

.palette-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.palette-trigger kbd {
  font-family: var(--font);
  font-size: .62rem;
  color: var(--soft);
  background: var(--line);
  padding: .15rem .4rem;
  border: 1px solid var(--dim);
}

/* ─── Floor / Zone grid ──────────────────────────────────────────────────────── */
.floor-header {
  padding: .8rem 2rem .4rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.floor-header h2 {
  font-size: .6rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 400;
}

.floor-divider {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.floor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--zone-w), 1fr));
  gap: 1px;
  padding: 0 2rem 4rem;
  background: var(--line);
}

/* Each zone card */
.zone-card {
  background: var(--bg);
  padding: 1.2rem 1rem 1rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background .12s;
  /* border-right and border-bottom from the grid gap (line bg) */
}

.zone-card:hover {
  background: var(--panel);
}

.zone-card:hover .zone-name {
  color: var(--accent);
}

/* Health glow border on left edge */
.zone-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--zone-health-color, var(--dim));
  box-shadow: var(--zone-health-glow, none);
  transition: background .3s, box-shadow .3s;
}

/* Per-health class injection */
.zone-card.health-healthy {
  --zone-health-color: var(--accent);
  --zone-health-glow: var(--glow-a);
}
.zone-card.health-degraded,
.zone-card.health-unhealthy {
  --zone-health-color: var(--amber);
  --zone-health-glow: var(--glow-am);
}
.zone-card.health-unknown {
  --zone-health-color: var(--dim);
  --zone-health-glow: none;
}

.zone-name {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--soft);
  margin-bottom: .8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .12s;
}

/* Fill bar — certified count as % of max-certified across all zones */
.zone-fill-track {
  height: var(--bar-h);
  background: var(--line);
  position: relative;
  margin-bottom: .55rem;
  overflow: hidden;
}

.zone-fill-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--accent);
  width: var(--fill-pct, 0%);
  transition: width 1s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 0 6px rgba(57,255,20,0.5);
}

/* Idle pulse animation on fill bar */
@keyframes bar-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}
.zone-card .zone-fill-bar { animation: bar-pulse 3.5s ease-in-out infinite; }

.zone-counts {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  font-size: .6rem;
  color: var(--dim);
  letter-spacing: .06em;
}

.zone-counts .certified-n {
  color: var(--accent);
  font-size: .7rem;
}

.zone-counts .sep { color: var(--line); }

.zone-health-dot {
  position: absolute;
  top: .75rem;
  right: .75rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--zone-health-color, var(--dim));
  box-shadow: var(--zone-health-glow, none);
}

/* Idle SVG waveform per zone */
.zone-idle-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 18px;
  opacity: .08;
  pointer-events: none;
  overflow: hidden;
}

.zone-idle-wave svg {
  width: 100%; height: 100%;
}

@keyframes wave-shift {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.zone-idle-wave .wave-path {
  animation: wave-shift 6s linear infinite;
}

/* ─── Zone detail panel (htmx loaded) ───────────────────────────────────────── */
.zone-panel {
  padding: 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  margin: 0 2rem 2rem;
  position: relative;
}

.zone-panel-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.zone-panel-header h2 {
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}

.zone-panel-count {
  font-size: .6rem;
  color: var(--dim);
  letter-spacing: .1em;
}

.zone-panel-close {
  margin-left: auto;
  font-size: .6rem;
  color: var(--dim);
  cursor: pointer;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border: 1px solid var(--line);
  transition: color .12s, border-color .12s;
}

.zone-panel-close:hover { color: var(--accent); border-color: var(--accent); }

/* Tool grid inside zone panel */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
}

.tool-card {
  background: var(--bg);
  padding: .9rem .85rem;
  cursor: pointer;
  transition: background .1s;
  position: relative;
}

.tool-card:hover { background: #0d160d; }

.tool-card-name {
  font-size: .72rem;
  color: var(--text);
  letter-spacing: .04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: .35rem;
}

.tool-card-meta {
  font-size: .58rem;
  color: var(--dim);
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Verdict badges */
.badge {
  display: inline-block;
  font-size: .52rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .1rem .35rem;
  border: 1px solid;
  font-family: var(--font);
}

.verdict-pass {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 4px rgba(57,255,20,0.3);
}

.verdict-block {
  color: var(--amber);
  border-color: var(--amber);
}

.verdict-review {
  color: var(--dim);
  border-color: var(--dim);
}

/* Pagination */
.zone-pagination {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
  font-size: .6rem;
  color: var(--dim);
  letter-spacing: .08em;
}

.zone-pagination a {
  color: var(--soft);
  border: 1px solid var(--line);
  padding: .2rem .5rem;
  transition: border-color .12s, color .12s;
}

.zone-pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Tool modal ─────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(7,7,7,.82);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-box {
  background: var(--panel);
  border: 1px solid var(--accent);
  box-shadow: var(--glow-a);
  width: 100%;
  max-width: 520px;
  padding: 2rem;
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: .8rem; right: .8rem;
  font-size: .6rem;
  color: var(--dim);
  cursor: pointer;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: .2rem .5rem;
  background: none;
  font-family: var(--font);
  transition: color .12s, border-color .12s;
}

.modal-close:hover { color: var(--accent); border-color: var(--accent); }

.modal-name {
  font-size: .9rem;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: .5rem;
  padding-right: 3rem;
  word-break: break-word;
}

.modal-row {
  display: flex;
  gap: .7rem;
  font-size: .62rem;
  color: var(--dim);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.modal-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 1rem 0;
}

.modal-field {
  margin-bottom: .8rem;
}

.modal-field-label {
  font-size: .55rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: .3rem;
}

.modal-field-value {
  font-size: .72rem;
  color: var(--text);
  word-break: break-word;
}

.modal-field-value code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: .2rem .45rem;
  font-family: var(--font);
  font-size: .7rem;
  color: var(--soft);
  display: block;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.modal-field-value.muted {
  color: var(--dim);
  font-style: italic;
  font-size: .65rem;
}

.stack-btn {
  display: block;
  width: 100%;
  margin-top: 1.2rem;
  padding: .65rem 1rem;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font);
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .12s, box-shadow .12s;
}

.stack-btn:hover {
  background: rgba(57,255,20,.07);
  box-shadow: var(--glow-a);
}

.stack-btn.in-stack {
  border-color: var(--soft);
  color: var(--soft);
}

/* ─── Command palette ────────────────────────────────────────────────────────── */
.palette-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(7,7,7,.88);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 1rem 1rem;
}

.palette-box {
  width: 100%;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--accent);
  box-shadow: var(--glow-a);
}

.palette-input-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .9rem;
  border-bottom: 1px solid var(--line);
}

.palette-prompt {
  color: var(--accent);
  font-size: .85rem;
  flex-shrink: 0;
}

.palette-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: .8rem;
  caret-color: var(--accent);
}

.palette-input::placeholder { color: var(--dim); }

.palette-esc {
  font-size: .55rem;
  color: var(--dim);
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: .15rem .35rem;
}

.palette-results {
  max-height: 360px;
  overflow-y: auto;
}

.palette-result-item {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .65rem .9rem;
  cursor: pointer;
  transition: background .08s;
  border-bottom: 1px solid var(--line);
}

.palette-result-item:hover,
.palette-result-item.selected {
  background: rgba(57,255,20,.06);
}

.palette-result-item:last-child { border-bottom: none; }

.palette-res-name {
  font-size: .72rem;
  color: var(--text);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.palette-res-cat {
  font-size: .57rem;
  color: var(--dim);
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.palette-empty {
  padding: 1.5rem .9rem;
  text-align: center;
  font-size: .62rem;
  color: var(--dim);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ─── Sign-in stub ───────────────────────────────────────────────────────────── */
.stub-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 48px);
  padding: 2rem;
}

.stub-card {
  max-width: 400px;
  text-align: center;
  border: 1px solid var(--line);
  padding: 3rem 2rem;
  background: var(--panel);
}

.stub-tag {
  font-size: .55rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 1rem;
}

.stub-h {
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: .08em;
  margin-bottom: .6rem;
}

.stub-p {
  font-size: .7rem;
  color: var(--soft);
  opacity: .7;
  line-height: 1.6;
}

/* ─── htmx loading indicator ─────────────────────────────────────────────────── */
.htmx-indicator {
  display: none;
  color: var(--dim);
  font-size: .55rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: .4rem 0;
}
.htmx-request .htmx-indicator { display: block; }
.htmx-request.htmx-indicator { display: block; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--dim); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Utility ────────────────────────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ───────────────────────── auth + account (U3) ───────────────────────── */
.auth-wrap { max-width: 520px; margin: 7vh auto; padding: 0 1.2rem; }
.auth-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 2rem; }
.auth-prompt { color: var(--accent); font-size: .8rem; letter-spacing: .08em; opacity: .85; }
.auth-title { font-size: 1.5rem; margin: .5rem 0 .4rem; color: var(--text); }
.auth-sub { color: #9dff9d; opacity: .8; font-size: .9rem; line-height: 1.5; }
.auth-error { margin: .8rem 0; padding: .6rem .8rem; border: 1px solid var(--amber); color: var(--amber); border-radius: 6px; font-size: .85rem; }
.auth-form { display: flex; gap: .6rem; margin: 1.3rem 0 1rem; flex-wrap: wrap; }
.auth-input { flex: 1; min-width: 200px; background: var(--bg); border: 1px solid var(--line); color: var(--text); padding: .7rem .9rem; border-radius: 8px; font-family: inherit; font-size: .95rem; }
.auth-input:focus { outline: none; border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.auth-btn { background: var(--bg); border: 1px solid var(--accent); color: var(--accent); padding: .7rem 1.1rem; border-radius: 8px; font-family: inherit; font-size: .9rem; cursor: pointer; transition: all .12s; }
.auth-btn:hover { background: var(--accent); color: var(--bg); }
.auth-btn.small { padding: .45rem .8rem; font-size: .82rem; }
.auth-foot { margin-top: 1.2rem; font-size: .78rem; opacity: .55; line-height: 1.5; }
.accent { color: var(--accent); }

.locker { max-width: 1100px; margin: 2.2rem auto; padding: 0 1.4rem; }
.locker-head { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid var(--line); padding-bottom: 1.2rem; margin-bottom: 1.6rem; }
.locker-title { font-size: 1.35rem; margin: .35rem 0; color: var(--text); word-break: break-all; }
.locker-meta { display: flex; gap: .7rem; align-items: center; flex-wrap: wrap; font-size: .78rem; opacity: .8; }
.plan-badge { border: 1px solid var(--accent); color: var(--accent); padding: .15rem .55rem; border-radius: 5px; letter-spacing: .06em; }
.plan-badge.plan-free { border-color: var(--dim, #2f6b2f); color: #7dffa0; }
.locker-tid, .locker-status { color: #7dffa0; opacity: .6; }
.locker-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 1.2rem; }
.locker-keys { grid-row: span 2; }
.locker-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.3rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; gap: .6rem; flex-wrap: wrap; }
.panel-head h2 { font-size: .92rem; color: var(--accent); font-weight: 600; letter-spacing: .03em; }
.key-create { display: flex; gap: .5rem; }
.key-name-input { background: var(--bg); border: 1px solid var(--line); color: var(--text); padding: .4rem .6rem; border-radius: 6px; font-family: inherit; font-size: .8rem; }
.key-name-input:focus { outline: none; border-color: var(--accent); }
.keys-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.keys-table th { text-align: left; color: #7dffa0; opacity: .55; font-weight: 500; padding: .4rem .5rem; border-bottom: 1px solid var(--line); }
.keys-table td { padding: .55rem .5rem; border-bottom: 1px solid rgba(31,58,31,.5); }
.keys-table tr.key-revoked { opacity: .4; }
.key-revoke { background: transparent; border: 1px solid var(--line); color: var(--amber); padding: .25rem .55rem; border-radius: 5px; font-family: inherit; font-size: .72rem; cursor: pointer; }
.key-revoke:hover { border-color: var(--amber); }
.keys-empty, .usage-empty { color: #7dffa0; opacity: .55; font-size: .82rem; padding: 1rem .2rem; }
.key-reveal { background: var(--bg); border: 1px solid var(--accent); border-radius: 8px; padding: .8rem; margin-bottom: 1rem; }
.key-reveal-label { color: var(--accent); font-size: .75rem; margin-bottom: .4rem; }
.key-reveal-value { color: #9dff9d; word-break: break-all; font-size: .82rem; }
.usage-meter { display: flex; align-items: flex-end; gap: 3px; height: 90px; padding-top: .4rem; }
.usage-bar { flex: 1; min-width: 4px; background: var(--accent); opacity: .75; border-radius: 2px 2px 0 0; min-height: 2px; transition: height .5s ease-out; }
.usage-bar:hover { opacity: 1; }
.usage-total { font-size: .8rem; color: var(--accent); }
.billing-line { font-size: .88rem; margin: .4rem 0; color: #cdebcd; }
.billing-actions { margin: 1rem 0 .3rem; }
.auth-gone { padding: 1rem; color: var(--amber); font-size: .85rem; }
@media (max-width: 760px) { .locker-grid { grid-template-columns: 1fr; } .locker-keys { grid-row: auto; } }