:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --surface-2: #ece8df;
  --surface-3: #e2ddd0;
  --border: #d9d4c7;
  --text: #201f1c;
  --text-muted: #6b675e;
  --accent-origin: #3d5a80;
  --accent-discard: #85818f;
  --accent-pivot: #a14848;
  --accent-build: #2f7a5f;
  --accent-live: #b5720a;
  --accent-live-wash: #b5720a1a;
  --danger: #a14848;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --font-sans: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #141319;
    --surface: #1c1b24;
    --surface-2: #24232e;
    --surface-3: #2c2b38;
    --border: #35333f;
    --text: #eeece6;
    --text-muted: #9c99a8;
    --accent-origin: #7ea1cf;
    --accent-discard: #8b899a;
    --accent-pivot: #d97c7c;
    --accent-build: #59bd9a;
    --accent-live: #e8a13c;
    --accent-live-wash: #e8a13c26;
    --danger: #d97c7c;
  }
}

:root[data-theme='dark'] {
  --bg: #141319;
  --surface: #1c1b24;
  --surface-2: #24232e;
  --surface-3: #2c2b38;
  --border: #35333f;
  --text: #eeece6;
  --text-muted: #9c99a8;
  --accent-origin: #7ea1cf;
  --accent-discard: #8b899a;
  --accent-pivot: #d97c7c;
  --accent-build: #59bd9a;
  --accent-live: #e8a13c;
  --accent-live-wash: #e8a13c26;
  --danger: #d97c7c;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
}

a { color: inherit; }

button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

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

/* Topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.drawer-root {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 9, 6, 0.45);
}

.drawer-panel {
  position: relative;
  z-index: 1;
  width: min(280px, 80vw);
  height: 100%;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.drawer-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 0.6rem;
}

.drawer-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  text-decoration: none;
  padding: 0.65rem 0.6rem;
  border-radius: 8px;
}
.drawer-link:hover { background: var(--surface-2); }

.user-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Buttons and inputs */

.btn {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s ease, transform 0.12s ease;
}

.btn:hover { background: var(--surface-2); }
.btn:focus-visible { outline: 2px solid var(--accent-live); outline-offset: 2px; }

.btn-primary {
  background: var(--accent-live);
  border-color: var(--accent-live);
  color: #1a1408;
}
.btn-primary:hover { transform: translateY(-1px); }

.btn-ghost { background: transparent; }

.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: var(--surface); }

.btn-small { padding: 0.35rem 0.65rem; font-size: 0.7rem; }

.icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn:focus-visible { outline: 2px solid var(--accent-live); outline-offset: 1px; }
.icon-btn-danger:hover { color: var(--danger); border-color: var(--danger); }

.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.9rem; }
.field span { font-family: var(--font-mono); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }

input[type='text'], input[type='password'], textarea, select {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent-live); outline-offset: 1px; }
textarea { resize: vertical; font-family: var(--font-sans); }

/* Login */

.view-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1.5rem; }

.login-card {
  width: 100%;
  max-width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.75rem;
}

.login-card h1 {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  margin: 0 0 1.25rem;
}

.form-error {
  color: var(--danger);
  font-size: 0.8125rem;
  margin: -0.4rem 0 0.9rem;
}

/* Shared page shell */

main#app { max-width: 1180px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-live);
  margin: 0 0 0.5rem;
}

h1 { font-family: var(--font-mono); font-size: clamp(1.5rem, 2.4vw, 1.9rem); font-weight: 600; letter-spacing: -0.01em; margin: 0; text-wrap: balance; }

.view-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.view-header-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.back-link { display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); text-decoration: none; margin-bottom: 0.5rem; }
.back-link:hover { color: var(--text); }

.empty-state {
  color: var(--text-muted);
  font-size: 0.9rem;
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}

/* Landing grid */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.project-card {
  position: relative;
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-live);
  border-radius: 10px;
  padding: 1.1rem 1.1rem 1rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.project-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px -10px rgba(0, 0, 0, 0.35); }
.project-card:focus-visible { outline: 2px solid var(--accent-live); outline-offset: 2px; }

.project-card-title { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; margin: 1.6rem 0 0.4rem; }
.project-card-cta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin: 0; }

.project-card-category {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-live);
  margin: 1.6rem 0 -0.9rem;
}
.project-card-category + .project-card-title { margin-top: 1.3rem; }

/* Index view */

.index-group { margin-bottom: 1.75rem; }

.index-group-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-live);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.index-item { margin: 0; }

.index-link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
}
.index-link:hover { background: var(--surface-2); }

.index-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 1.8em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Resources view */

.resource-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.resource-row {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--node-accent, var(--accent-origin));
  border-radius: 10px;
  padding: 0.9rem 1rem;
}
.resource-row--pivot { --node-accent: var(--accent-pivot); }
.resource-row--live { --node-accent: var(--accent-live); }
.resource-row--build { --node-accent: var(--accent-build); }
.resource-row--discard { --node-accent: var(--accent-discard); opacity: 0.8; }

.resource-status-dot { display: none; }

.resource-main { flex: 1 1 auto; min-width: 0; }

.resource-name-line { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }

.resource-name { font-family: var(--font-mono); font-weight: 600; font-size: 0.95rem; }

.resource-kind {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
}

.resource-meta { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.25rem; display: flex; gap: 0.3rem; flex-wrap: wrap; }

.resource-notes { font-size: 0.8125rem; color: var(--text-muted); margin: 0.4rem 0 0; }

.resource-status-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--node-accent, var(--text-muted));
  white-space: nowrap;
  padding-top: 0.15rem;
}

.resource-toolbar {
  flex: 0 0 auto;
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.resource-row:hover .resource-toolbar, .resource-row:focus-within .resource-toolbar { opacity: 1; }

.project-toolbar {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  display: flex;
  gap: 0.3rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.project-card:hover .project-toolbar,
.project-card:focus-within .project-toolbar { opacity: 1; }

/* Legend */

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0 0 1.5rem;
  padding: 0.9rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.legend-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.legend-dot--origin { background: var(--accent-origin); }
.legend-dot--discard { background: var(--accent-discard); }
.legend-dot--pivot { background: var(--accent-pivot); }
.legend-dot--build { background: var(--accent-build); }
.legend-dot--live { background: var(--accent-live); }

.scroll-hint { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin: 0 0 0.75rem; }

/* Flow row */

.flow-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1.25rem;
}

.node {
  position: relative;
  flex: 0 0 auto;
  width: 236px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--node-accent, var(--accent-origin));
  border-radius: 10px;
  padding: 1.9rem 1rem 1rem;
}

.node--origin { --node-accent: var(--accent-origin); }
.node--discard { --node-accent: var(--accent-discard); opacity: 0.8; }
.node--pivot { --node-accent: var(--accent-pivot); }
.node--build { --node-accent: var(--accent-build); }
.node--live { --node-accent: var(--accent-live); background: linear-gradient(var(--accent-live-wash), var(--accent-live-wash)), var(--surface); width: 260px; }

.node-toolbar {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.node:hover .node-toolbar, .node:focus-within .node-toolbar { opacity: 1; }

.node-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--node-accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.4rem;
}

.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-live); }
@media (prefers-reduced-motion: no-preference) { .pulse { animation: pulse 2s ease-in-out infinite; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.ai-chip {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: none;
  letter-spacing: 0;
  background: var(--surface-2);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  margin-left: 0.3rem;
}

.node-title { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; margin: 0 0 0.4rem; }
.node-desc { font-size: 0.8125rem; line-height: 1.5; color: var(--text-muted); margin: 0; min-height: 1.2em; }

.node-cta {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--node-accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.node-cta:hover { text-decoration: underline; }

.connector { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; color: var(--text-muted); width: 78px; }
.connector-label { font-family: var(--font-mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.03em; white-space: nowrap; margin-bottom: 0.25rem; min-height: 1em; }
.connector svg { display: block; width: 78px; height: 22px; }

/* Detail drill-down */

section.detail {
  margin-top: 1.5rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem 1.5rem 1.6rem;
}

section.detail h2 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
section.detail h2 .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-build); }

.mini-flow { display: flex; align-items: stretch; gap: 0.6rem; overflow-x: auto; padding-bottom: 0.5rem; }

.mini-node { position: relative; flex: 0 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0.6rem 0.8rem 0.5rem; min-width: 150px; max-width: 210px; }
.mini-tag { font-family: var(--font-mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-build); margin: 0 0 0.3rem; }
.mini-title { font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 600; margin: 0; }
.mini-desc { font-size: 0.75rem; color: var(--text-muted); margin: 0.3rem 0 0; }

.mini-toolbar { display: flex; gap: 0.25rem; margin-top: 0.5rem; opacity: 0; transition: opacity 0.15s ease; }
.mini-node:hover .mini-toolbar, .mini-node:focus-within .mini-toolbar { opacity: 1; }

.mini-connector { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; width: 58px; color: var(--text-muted); align-self: center; }
.mini-connector-label { font-family: var(--font-mono); font-size: 0.55rem; text-transform: uppercase; margin-bottom: 0.2rem; white-space: nowrap; min-height: 1em; }
.mini-connector svg { width: 58px; height: 18px; display: block; }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; align-items: center; }

.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
}

.chip-editable { display: inline-flex; align-items: center; gap: 0.4rem; }
.chip-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0; font-size: 0.7rem; }
.chip-remove:hover { color: var(--danger); }

/* Modal */

.modal-root { position: fixed; inset: 0; z-index: 50; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10, 9, 6, 0.45); }

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(440px, calc(100vw - 2.5rem));
  margin: 8vh auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem 1.6rem 1.4rem;
  max-height: 82vh;
  overflow-y: auto;
}

.modal-panel h2 { font-size: 1.1rem; margin: 0 0 1.1rem; }
.modal-fields { display: flex; flex-direction: column; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 0.4rem; }

.modal-confirm p { margin: 0 0 1.2rem; font-size: 0.9rem; line-height: 1.5; }