/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --line: #c9d3e0;
  --text: #16233a;
  --text-muted: #5b6b82;
  --accent: #0e8577;       /* teal — links, focus, registration marks */
  --accent-warm: #d97706;  /* amber — primary call to action */
  --error: #dc2626;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius: 4px;
}

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

/* ============================================================
   Base
   ============================================================ */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.35em 0;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.25rem); }
h2 { font-size: 1.25rem; }

p { margin: 0 0 1em 0; color: var(--text-muted); }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5em;
}

/* ============================================================
   Layout shell
   ============================================================ */
.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem 1.5rem;
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px dashed var(--line);
}

.brand {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.nav-user {
  color: var(--text-muted);
}

/* ============================================================
   Panel — the signature element: dashed border + corner
   registration marks, like a cut-line on a technical drawing
   ============================================================ */
.panel {
  position: relative;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 1.25rem;
}

.panel::before,
.panel::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background:
    linear-gradient(var(--accent), var(--accent)) center / 100% 1px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center / 1px 100% no-repeat;
}
.panel::before { top: -6px; left: -6px; }
.panel::after { bottom: -6px; right: -6px; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-top: 1.25rem;
  animation: fade-up 0.5s ease-out both;
}

.hero p {
  max-width: 46ch;
  font-size: 1.05rem;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.build-log {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.build-log li {
  display: flex;
  gap: 0.6em;
  padding: 0.4em 0;
  border-bottom: 1px dotted var(--line);
  color: var(--text-muted);
}
.build-log li:last-child { border-bottom: none; }

/* ============================================================
   Buttons
   ============================================================ */
.actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75em 1.4em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-warm);
  color: #1a1206;
}
.btn-primary:hover { opacity: 0.92; }

.btn-secondary {
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); }

/* ============================================================
   Forms
   ============================================================ */
.field {
  margin-bottom: 0.85rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5em;
}

.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7em 0.85em;
}

.field input:focus {
  border-color: var(--accent);
}

.field-error {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--error);
  margin-top: 0.4em;
}

.form-footer {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   Flash messages
   ============================================================ */
.flashes {
  list-style: none;
  margin: 0.85rem auto 0 auto;
  padding: 0;
  max-width: 1100px;
}

.flash {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.75em 1rem;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  margin: 0 1.5rem 0.75rem 1.5rem;
}

.flash-success { border-color: var(--accent); color: var(--accent); }
.flash-error { border-color: var(--error); color: var(--error); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 560px) {
  .panel { padding: 1.5rem; }
  .actions { flex-direction: column; }
  .btn { justify-content: center; }
  .tag-filter-panel { width: calc(100vw - 3rem); }
  .tag-list-inline { display: none; }
  .resource-row-meta { min-width: 0; }
}

/* ============================================================
   Search bar
   ============================================================ */
.search-bar {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.85rem;
}
.search-bar input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7em 0.85em;
}
.search-bar input:focus { border-color: var(--accent); }

/* ============================================================
   Resource grid / cards
   ============================================================ */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.resource-card {
  display: block;
  color: var(--text);
  margin-top: 0;
}
.resource-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.resource-card h2 {
  font-size: 1.1rem;
  margin: 0.4em 0 0.3em 0;
}
.resource-card p {
  font-size: 0.88rem;
  margin-bottom: 0.6em;
}

/* ============================================================
   Tag pills
   ============================================================ */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 1rem 0;
}
.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2em 0.6em;
  border-radius: 3px;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.tag-pill-alt {
  border-color: var(--accent-warm);
  color: var(--accent-warm);
}

/* ============================================================
   Radio group / multiselect / field hints
   ============================================================ */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.95rem;
}
.radio-option {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  text-transform: none;
  font-family: var(--font-body);
  color: var(--text);
  cursor: pointer;
}

.field-hint {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-muted);
  font-size: 0.8rem;
}

select.multiselect {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.5em;
}
select.multiselect:focus { border-color: var(--accent); }

.text-body {
  white-space: pre-wrap;
  color: var(--text);
  line-height: 1.7;
}

/* ============================================================
   Filter panel (library page)
   ============================================================ */
.filter-panel .field {
  margin-top: 1rem;
  margin-bottom: 0;
}

.shell h2 {
  margin-top: 1.25rem;
  padding-bottom: 0.3em;
  border-bottom: 1px dashed var(--line);
}

.resource-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0.4em 0 0.3em 0;
}

/* ============================================================
   Admin taxonomy management
   ============================================================ */
.inline-form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 1rem 0 1.25rem 0;
}

.inline-form input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.55em 0.75em;
}
.inline-form input[type="text"]:focus { border-color: var(--accent); }

.tag-manage-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.tag-manage-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6em 0;
  border-bottom: 1px dotted var(--line);
}
.tag-manage-list li:last-child { border-bottom: none; }

.delete-form { margin-left: auto; }

.btn-inline-delete {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0.3em 0.5em;
  border-radius: var(--radius);
  line-height: 1;
}
.btn-inline-delete:hover { background: var(--bg); }

/* ============================================================
   Tag filter - searchable dropdown picker (scales to hundreds
   of options without a wall of checkboxes)
   ============================================================ */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.65rem;
}

.tag-filter {
  position: relative;
}

.tag-filter-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.6em 1em;
  cursor: pointer;
}
.tag-filter-trigger:hover { border-color: var(--accent); }

.tag-filter-count {
  background: var(--accent);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 3px;
  padding: 0.05em 0.55em;
  min-width: 1.2em;
  text-align: center;
}

.tag-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tag-pill-removable {
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
}
.tag-pill-removable:hover { background: var(--surface); }

.tag-filter-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: 260px;
  max-width: calc(100vw - 3rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tag-filter-search {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.55em 0.75em;
  margin-bottom: 0.6rem;
}
.tag-filter-search:focus { border-color: var(--accent); }

.tag-filter-options {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.tag-filter-option {
  display: flex;
  align-items: center;
  gap: 0.55em;
  font-size: 0.88rem;
  padding: 0.4em 0.5em;
  border-radius: var(--radius);
  cursor: pointer;
}
.tag-filter-option:hover { background: var(--bg); }

/* ============================================================
   Resource list - one line per result
   ============================================================ */
.resource-list {
  display: flex;
  flex-direction: column;
  margin-top: 0.5rem;
  border-top: 1px dashed var(--line);
}

.resource-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.25rem;
  border-bottom: 1px dashed var(--line);
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}
.resource-row:hover {
  background: var(--surface);
  text-decoration: none;
}

.resource-row-icon {
  flex-shrink: 0;
  width: 1.3em;
  font-size: 1rem;
  line-height: 1;
}

.resource-row-title {
  flex: 1;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag-list-inline {
  flex-shrink: 0;
  display: flex;
  gap: 0.3rem;
  margin: 0;
}

.resource-row-meta {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 8ch;
  text-align: right;
}