/* Minimal but readable. Single-user dev UI — no design system. */

:root {
  --bg:           #0f1116;
  --panel:        #161922;
  --panel-2:      #1d2230;
  --border:       #262b39;
  --text:         #e7e9ee;
  --text-muted:   #8a93a6;
  --accent:       #6aa9ff;
  --tier-0:       #4a5163;   /* dim — junk */
  --tier-1:       #6b7689;   /* awareness */
  --tier-2:       #8aa1c2;   /* auto-handled */
  --tier-3:       #f0b757;   /* draft for review */
  --tier-4:       #ff7a59;   /* direct attention */
  --tier-5:       #ff4e6b;   /* interrupt */
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.logo {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 4px;
  background: var(--accent);
  color: #0f1116;
  font-weight: 800;
}

.env {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin-left: 1rem;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}

.tab-btn:hover { color: var(--text); background: var(--panel-2); }

.tab-btn.active {
  color: var(--text);
  border-color: var(--border);
  background: var(--panel-2);
}

.auth {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth #user-label { font-size: 0.85rem; }

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}

button:hover { background: var(--border); }

main {
  padding: 1.25rem 1.5rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
  margin-bottom: 0.75rem;
}

.toolbar label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--text-muted);
  gap: 0.25rem;
}

select, input[type="url"], input[type="password"] {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  font: inherit;
  min-width: 12rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel-2);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover { background: var(--panel-2); }

.num { text-align: right; font-variant-numeric: tabular-nums; }

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 1.5rem;
}

.tier-pill {
  display: inline-block;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 4px;
  text-align: center;
  font-weight: 700;
  color: #0f1116;
  font-size: 0.8rem;
  line-height: 1.4rem;
}

.tier-pill.t-0 { background: var(--tier-0); color: var(--text); }
.tier-pill.t-1 { background: var(--tier-1); color: var(--text); }
.tier-pill.t-2 { background: var(--tier-2); }
.tier-pill.t-3 { background: var(--tier-3); }
.tier-pill.t-4 { background: var(--tier-4); color: var(--text); }
.tier-pill.t-5 { background: var(--tier-5); color: var(--text); }

.drafts-list {
  display: grid;
  gap: 0.75rem;
}

.draft-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.draft-card header {
  background: transparent;
  border: 0;
  padding: 0 0 0.5rem 0;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  position: static;
}

.draft-card .draft-meta {
  display: flex;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.draft-card .body {
  white-space: pre-wrap;
  background: var(--panel-2);
  padding: 0.75rem;
  border-radius: 6px;
  margin: 0.5rem 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875rem;
}

textarea.body-edit {
  width: 100%;
  display: block;
  color: var(--text);
  border: 1px solid var(--border);
  resize: vertical;
  min-height: 6rem;
}

textarea.body-edit:focus {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

textarea.body-edit:read-only {
  opacity: 0.7;
  cursor: not-allowed;
}

.draft-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.draft-actions button.primary {
  background: var(--accent);
  color: #0f1116;
  border-color: var(--accent);
  font-weight: 600;
}

.draft-actions button.primary:hover {
  filter: brightness(1.1);
}

.draft-actions button.danger {
  color: #ff7a7a;
}

.draft-actions button.danger:hover {
  background: rgba(255, 78, 107, 0.15);
}

.draft-meta .sent-stamp {
  color: #6cd58a;
  font-weight: 600;
}

.draft-card .rationale {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.stat .label {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  min-width: 340px;
  max-width: 90vw;
  max-height: 80vh;
  overflow: auto;
}

dialog::backdrop {
  background: rgba(0,0,0,0.6);
}

dialog form { display: flex; flex-direction: column; gap: 0.75rem; }
dialog label { display: flex; flex-direction: column; gap: 0.25rem; }
dialog menu {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.detail-body { display: grid; gap: 0.5rem; }
.detail-body h2 { margin: 0 0 0.25rem 0; font-size: 1.05rem; }
.detail-body .meta { color: var(--text-muted); font-size: 0.85rem; }
.detail-body .body-preview {
  background: var(--panel-2);
  padding: 0.75rem;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
  white-space: pre-wrap;
  font-size: 0.85rem;
}

footer {
  padding: 0.75rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: right;
}

.small { font-size: 0.85rem; }
.muted { color: var(--text-muted); }