/* ===========================================================================
   TaskFlow — Ops Board
   Design direction: a warehouse/logistics ticket board. Dark charcoal
   surface, hazard-yellow accent, monospace for IDs/data, priority-coded
   ticket stripes on each task card.
   =========================================================================== */

:root {
  --bg: #14161a;
  --surface: #1c1f24;
  --surface-raised: #22262c;
  --border: #33383f;
  --text: #e8e6e1;
  --text-muted: #8a8f98;
  --accent: #f2b705;
  --accent-text: #1a1a1a;
  --high: #e85d4c;
  --medium: #f2b705;
  --low: #6fcf97;
  --danger: #e85d4c;

  --font-display: "Barlow Condensed", "Oswald", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

/* Author CSS like `.field { display: flex }` beats the browser's built-in
   [hidden] rule, which would leave "hidden" elements visible. This makes
   the hidden attribute always win. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

/* ---------------------------------------------------------------------------
   Header — sticky
--------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 3px solid var(--accent);
}

.header-inner { display: flex; align-items: baseline; gap: 10px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.7rem;
  letter-spacing: 0.02em;
  margin: 0;
}

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

.header-status.online::before { content: "● "; color: var(--low); }
.header-status.offline::before { content: "● "; color: var(--danger); }

.user-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   Layout
--------------------------------------------------------------------------- */
main {
  max-width: 780px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

section.intake, section.board, section.auth-panel {
  margin-bottom: 32px;
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  margin: 0 0 14px;
}

/* Message banner */
.notice {
  margin: 0 0 20px;
  padding: 10px 14px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.notice.error { border-left-color: var(--danger); }

/* ---------------------------------------------------------------------------
   Intake + auth panels (same card style)
--------------------------------------------------------------------------- */
.intake, .auth-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 20px 22px;
  border-radius: 4px;
}

.auth-tabs { display: flex; gap: 8px; margin-bottom: 14px; }

.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.tab.active { border-color: var(--accent); color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }

.field-row { display: flex; gap: 16px; }
.field-row .field { flex: 1; }

label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

input[type="text"], input[type="password"], select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

input[type="text"]:focus, input[type="password"]:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

input[aria-invalid="true"] { border-color: var(--danger); }

.field-error {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--danger);
  margin: 0 0 12px;
}
.field .field-error { margin: 0; }

.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  padding: 11px 20px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  margin-top: 4px;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.55; cursor: progress; }
.btn-primary:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

/* ---------------------------------------------------------------------------
   Task list — deliberate box model: padding/border/margin on the container
   and on each item.
--------------------------------------------------------------------------- */
.board-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.task-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.task-list {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.task-item {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-left: 5px solid var(--medium);
  border-radius: 3px;
  padding: 14px 16px;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.task-item.priority-high { border-left-color: var(--high); }
.task-item.priority-medium { border-left-color: var(--medium); }
.task-item.priority-low { border-left-color: var(--low); }

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

.task-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 4px;
  word-break: break-word;
}

.task-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.priority-tag { text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.priority-tag.priority-high { color: var(--high); }
.priority-tag.priority-medium { color: var(--medium); }
.priority-tag.priority-low { color: var(--low); }

.task-actions { display: flex; gap: 8px; flex-shrink: 0; }

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon.danger:hover { border-color: var(--danger); color: var(--danger); }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 24px 0 0;
}

/* Inline edit mode */
.task-item.editing { flex-direction: column; align-items: stretch; }
.edit-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.edit-row input, .edit-row select { flex: 1; min-width: 100px; }

/* ---------------------------------------------------------------------------
   Responsive breakpoints — layout visibly changes at both.
--------------------------------------------------------------------------- */
@media (max-width: 768px) {
  main { padding: 20px 16px 50px; }
  .field-row { flex-direction: column; gap: 14px; }
  .task-item { flex-direction: column; }
  .task-actions { align-self: flex-end; }
}

@media (max-width: 480px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 6px; padding: 12px 16px; }
  .header-right { justify-content: flex-start; }
  .site-header h1 { font-size: 1.4rem; }
  .intake, .auth-panel { padding: 16px; }
  .btn-primary { width: 100%; }
}