/* ════════════════════════════════════════════════
   THE TEST MANAGER'S DESK — field-manual aesthetic
   Warm paper, ink typography, RAG accent system.
   ════════════════════════════════════════════════ */

:root {
  --paper:        #f4f1e9;
  --paper-raise:  #fbf9f3;
  --paper-sink:   #ece8dc;
  --ink:          #21251f;
  --ink-soft:     #5a5e52;
  --ink-faint:    #8b8e7e;
  --line:         #d8d3c2;
  --line-strong:  #b9b3a0;

  --red:    #c94f36;
  --amber:  #d99a2b;
  --green:  #2e7d5b;
  --green-deep: #1d5c41;

  --accent: var(--green-deep);
  --ph-bg:  #f3e3b8;
  --ph-ink: #7a5b12;

  --font-display: "Fraunces", Georgia, serif;
  --font-body:    "Spline Sans", "Segoe UI", sans-serif;
  --font-mono:    "Spline Sans Mono", Consolas, monospace;

  --sidebar-w: 300px;
  --shadow-card: 0 1px 2px rgba(33,37,31,.06), 0 6px 20px -8px rgba(33,37,31,.12);
}

[data-theme="dark"] {
  --paper:        #191c17;
  --paper-raise:  #21251f;
  --paper-sink:   #14160f;
  --ink:          #e8e5d8;
  --ink-soft:     #a8ab99;
  --ink-faint:    #767a68;
  --line:         #34382e;
  --line-strong:  #4a4e40;

  --red:    #e06a50;
  --amber:  #e3ad48;
  --green:  #4aa578;
  --green-deep: #5cb586;

  --accent: var(--green-deep);
  --ph-bg:  #3d3517;
  --ph-ink: #e0c26a;

  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px -8px rgba(0,0,0,.5);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* subtle paper grain */
  background-image:
    radial-gradient(rgba(33,37,31,.028) 1px, transparent 1px);
  background-size: 5px 5px;
  transition: background-color .25s ease, color .25s ease;
}
[data-theme="dark"] body,
[data-theme="dark"] {
  background-image: radial-gradient(rgba(232,229,216,.02) 1px, transparent 1px);
}

::selection { background: var(--amber); color: #21251f; }

.app { display: flex; min-height: 100vh; }

/* ════════════ SIDEBAR ════════════ */

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--paper);
  padding: 28px 22px 18px;
  overflow-y: auto;
}

.brand { margin-bottom: 26px; }

.brand-rag { display: flex; gap: 7px; margin-bottom: 14px; }
.dot { width: 13px; height: 13px; border-radius: 50%; }
.dot-r { background: var(--red); }
.dot-a { background: var(--amber); }
.dot-g { background: var(--green); animation: pulse-g 3s ease-in-out infinite; }
@keyframes pulse-g {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46,125,91,.45); }
  50%      { box-shadow: 0 0 0 6px rgba(46,125,91,0); }
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.72rem;
  line-height: 1.04;
  letter-spacing: -.01em;
}
.brand-sub {
  margin-top: 10px;
  font-size: .82rem;
  color: var(--ink-soft);
  max-width: 220px;
}

/* Search */
.search-wrap { position: relative; margin-bottom: 22px; }
.search-icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--ink-faint); pointer-events: none;
}
#search {
  width: 100%;
  padding: 10px 34px 10px 34px;
  font: 500 .88rem var(--font-body);
  color: var(--ink);
  background: var(--paper-raise);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
#search::placeholder { color: var(--ink-faint); }
.search-kbd {
  position: absolute; right: 9px; top: 50%; transform: translateY(-50%);
  font: 500 .7rem var(--font-mono);
  color: var(--ink-faint);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 1px 6px;
  background: var(--paper);
}

/* Nav */
.nav { flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 9px 10px;
  margin-bottom: 2px;
  font: 500 .9rem var(--font-body);
  color: var(--ink-soft);
  background: none;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  text-align: left;
  transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--paper-sink); color: var(--ink); }
.nav-item.active {
  background: var(--accent);
  color: var(--paper-raise);
}
.nav-item.active .nav-count { color: inherit; opacity: .75; }
.nav-icon { width: 18px; text-align: center; font-size: .82rem; opacity: .85; }
.nav-label { flex: 1; }
.nav-count {
  font: 500 .72rem var(--font-mono);
  color: var(--ink-faint);
}

/* Sidebar footer */
.sidebar-foot { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.theme-toggle {
  display: flex; align-items: center; gap: 8px;
  font: 500 .82rem var(--font-body);
  color: var(--ink-soft);
  background: none; border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 7px 12px;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.theme-toggle:hover { background: var(--paper-sink); color: var(--ink); }
.theme-icon { font-size: .95rem; }
.foot-note { margin-top: 12px; font-size: .74rem; color: var(--ink-faint); }
.ph-demo {
  background: var(--ph-bg); color: var(--ph-ink);
  font-family: var(--font-mono); font-size: .68rem;
  padding: 1px 4px; border-radius: 3px;
}

/* ════════════ MAIN ════════════ */

.main { flex: 1; min-width: 0; }
.main-inner {
  max-width: 880px;
  padding: 44px 48px 24px;
}

/* Category section */
.cat-section { margin-bottom: 52px; }
.cat-head {
  display: flex; align-items: baseline; gap: 14px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
  margin-bottom: 22px;
}
.cat-num {
  font: 600 .8rem var(--font-mono);
  color: var(--accent);
  letter-spacing: .08em;
}
.cat-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -.01em;
}
.cat-count {
  margin-left: auto;
  font: 500 .74rem var(--font-mono);
  color: var(--ink-faint);
}

/* Card */
.card {
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  animation: card-in .35s ease both;
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.card-head {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
}
.card-head:hover .card-title { color: var(--accent); }

.card-meta { flex: 1; min-width: 0; }
.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: -.005em;
  transition: color .12s;
}
.card-desc {
  margin-top: 5px;
  font-size: .84rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.card-tags { margin-top: 9px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font: 500 .68rem var(--font-mono);
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 2px 9px;
}

.card-actions { display: flex; gap: 8px; flex-shrink: 0; padding-top: 2px; }

.btn {
  font: 600 .78rem var(--font-body);
  border-radius: 7px;
  padding: 8px 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .12s, color .12s, border-color .12s, transform .06s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-copy {
  background: var(--ink);
  color: var(--paper-raise);
}
.btn-copy:hover { background: var(--accent); }
.btn-copy.copied { background: var(--green); color: #fff; }

.btn-view {
  background: none;
  color: var(--ink-soft);
  border-color: var(--line-strong);
}
.btn-view:hover { color: var(--ink); background: var(--paper-sink); }

/* Expanded body */
.card-body { display: none; border-top: 1px dashed var(--line-strong); }
.card.open .card-body { display: block; }
.card-body pre {
  font: 400 .8rem/1.62 var(--font-mono);
  color: var(--ink);
  padding: 20px 22px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 560px;
  overflow-y: auto;
  background:
    linear-gradient(var(--paper-raise) 33%, transparent),
    linear-gradient(transparent, var(--paper-raise) 66%) 0 100%,
    radial-gradient(farthest-side at 50% 0, rgba(33,37,31,.14), transparent),
    radial-gradient(farthest-side at 50% 100%, rgba(33,37,31,.14), transparent) 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 36px, 100% 36px, 100% 12px, 100% 12px;
  background-attachment: local, local, scroll, scroll;
}
.card-body .ph {
  background: var(--ph-bg);
  color: var(--ph-ink);
  border-radius: 3px;
  padding: 0 3px;
}
.card-body-foot {
  display: flex; justify-content: flex-end;
  padding: 0 20px 16px;
}

/* Empty state */
.empty {
  padding: 90px 48px;
  text-align: center;
  color: var(--ink-soft);
}
.empty-mark {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--ink-faint);
  margin-bottom: 10px;
}
.empty-clear {
  margin-top: 16px;
  font: 600 .8rem var(--font-body);
  color: var(--accent);
  background: none;
  border: 1px solid var(--accent);
  border-radius: 7px;
  padding: 8px 16px;
  cursor: pointer;
}
.empty-clear:hover { background: var(--accent); color: var(--paper-raise); }

/* Page footer */
.page-foot {
  padding: 20px 48px 36px;
  font-size: .74rem;
  color: var(--ink-faint);
}
.page-foot code {
  font-family: var(--font-mono);
  background: var(--paper-sink);
  padding: 1px 5px;
  border-radius: 3px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translate(-50%, 16px);
  background: var(--ink);
  color: var(--paper-raise);
  font: 600 .82rem var(--font-body);
  padding: 10px 20px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Search highlight */
mark.hl { background: var(--amber); color: #21251f; border-radius: 2px; padding: 0 1px; }

/* ════════════ RESPONSIVE ════════════ */
@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
  }
  .nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .nav-item { width: auto; }
  .nav-count { display: none; }
  .sidebar-foot { display: flex; align-items: center; gap: 16px; }
  .foot-note { margin-top: 0; }
  .main-inner { padding: 28px 20px 12px; }
  .card-head { flex-direction: column; gap: 12px; }
  .page-foot { padding: 16px 20px 28px; }
}