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

:root {
  --ink: #0e0e0e;
  --paper: #f5f2eb;
  --cream: #ede9df;
  --rule: #d4cfc4;
  --muted: #635d58;
  --accent: #c1440e;
  --accent-light: #f0e6e0;
  --high: #c1440e;
  --medium: #b07c2a;
  --low: #3a6b45;
  --done-bg: #e8e4d8;
  --in-progress-accent: #4a7fa5;
}

html { font-size: 16px; }

body {
  background: var(--cream);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Sans', sans-serif;
  padding: 3rem 1.5rem;
}

/* ---- Screen-reader only utility ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Scene / layout ---- */
.scene {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Masthead ---- */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  padding: 0.35rem 0;
  margin-bottom: 0;
}

.masthead-left {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead-right {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  color: var(--muted);
}

/* ---- Card ---- */
article[data-testid="test-todo-card"] {
  background: var(--paper);
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  border-bottom: 2px solid var(--ink);
  padding: 2.25rem 2rem 1.75rem;
  position: relative;
  z-index: 0;
  transition: opacity 0.4s ease, background 0.4s ease;
}

article[data-testid="test-todo-card"].done {
  background: var(--done-bg);
  opacity: 0.8;
}

article[data-testid="test-todo-card"].overdue {
  border-left-color: var(--high);
  border-left-width: 3px;
}

/* ---- Priority Indicator ---- */
.priority-indicator {
  height: 2px;
  border-radius: 1px;
  margin-bottom: 1.5rem;
  transition: background-color 0.3s ease;
}

.priority-indicator.high   { background: var(--high); }
.priority-indicator.medium { background: var(--medium); }
.priority-indicator.low    { background: var(--low); }

/* ---- Issue watermark ---- */
.issue-number {
  font-family: 'Playfair Display', serif;
  font-size: 6rem;
  font-weight: 900;
  color: var(--rule);
  position: absolute;
  top: -1.5rem;
  right: 1.5rem;
  line-height: 1;
  z-index: -1;
  user-select: none;
  pointer-events: none;
}

/* ---- Top row ---- */
.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

input[data-testid="test-todo-complete-toggle"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  background: transparent;
  flex-shrink: 0;
}

input[data-testid="test-todo-complete-toggle"]:checked {
  background: var(--ink);
}

input[data-testid="test-todo-complete-toggle"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: 2px solid var(--paper);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

input[data-testid="test-todo-complete-toggle"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.checkbox-wrap label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
}

/* ---- Priority badge ---- */
span[data-testid="test-todo-priority"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  transition: background 0.3s, color 0.3s;
}

span[data-testid="test-todo-priority"].high {
  background: var(--accent-light);
  color: var(--high);
  border: 1px solid rgba(193, 68, 14, 0.25);
}

span[data-testid="test-todo-priority"].medium {
  background: #f5ede0;
  color: var(--medium);
  border: 1px solid rgba(176, 124, 42, 0.25);
}

span[data-testid="test-todo-priority"].low {
  background: #e0ede3;
  color: var(--low);
  border: 1px solid rgba(58, 107, 69, 0.25);
}

/* ---- Title ---- */
h2[data-testid="test-todo-title"] {
  font-family: 'Playfair Display', serif;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
  margin-bottom: 0.4rem;
  transition: all 0.3s ease;
  word-break: break-word;
}

article.done h2[data-testid="test-todo-title"] {
  text-decoration: line-through;
  text-decoration-color: var(--muted);
  color: var(--muted);
}

/* ---- Title meta (status badge + status control) ---- */
.title-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

span[data-testid="test-todo-status"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

span[data-testid="test-todo-status"][data-status="done"] {
  color: var(--muted);
  opacity: 0.7;
}

span[data-testid="test-todo-status"][data-status="in-progress"] {
  color: var(--in-progress-accent);
}

span[data-testid="test-todo-status"][data-status="pending"] {
  color: var(--muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--medium);
  display: inline-block;
  flex-shrink: 0;
  transition: background 0.3s ease;
}

span[data-testid="test-todo-status"][data-status="in-progress"] .status-dot {
  background: var(--in-progress-accent);
}

span[data-testid="test-todo-status"][data-status="done"] .status-dot {
  background: var(--muted);
}

span[data-testid="test-todo-status"][data-status="pending"] .status-dot {
  background: var(--rule);
}

/* ---- Custom select (shared base) ---- */
.custom-select {
  position: relative;
  display: inline-block;
}

.cs-trigger {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.cs-trigger:hover {
  border-color: var(--ink);
  color: var(--ink);
}

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

.cs-trigger[aria-expanded="true"] {
  border-color: var(--ink);
  color: var(--ink);
}

.cs-arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid currentColor;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.cs-trigger[aria-expanded="true"] .cs-arrow {
  transform: rotate(180deg);
}

.cs-listbox {
  position: absolute;
  top: calc(100% + 3px);
  left: 0;
  min-width: 100%;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 2px;
  list-style: none;
  z-index: 200;
  box-shadow: 2px 2px 0 var(--ink);
}

.cs-option {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  color: var(--muted);
  transition: background 0.1s, color 0.1s;
}

.cs-option:hover,
.cs-option:focus {
  background: var(--ink);
  color: var(--paper);
  outline: none;
}

.cs-option[aria-selected="true"] {
  color: var(--ink);
  font-weight: 500;
}

.cs-option[aria-selected="true"]:hover,
.cs-option[aria-selected="true"]:focus {
  background: var(--ink);
  color: var(--paper);
}

/* ---- Full-width custom select (edit form) ---- */
.cs-full {
  display: block;
}

.cs-full .cs-trigger {
  width: 100%;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.875rem;
  letter-spacing: normal;
  text-transform: none;
  padding: 0.55rem 0.65rem;
  justify-content: space-between;
  border-color: var(--rule);
  color: var(--ink);
}

.cs-full .cs-trigger:hover {
  border-color: var(--ink);
}

.cs-full .cs-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.cs-full .cs-listbox {
  width: 100%;
}

.cs-full .cs-option {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.875rem;
  letter-spacing: normal;
  text-transform: none;
  padding: 0.55rem 0.65rem;
}

/* ---- Divider ---- */
.hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 1.25rem 0;
}

/* ---- Collapsible section ---- */
.collapsible-section {
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.collapsible-section.collapsed {
  max-height: 4.5em;
  -webkit-mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
}

.collapsible-section:not(.collapsed) {
  max-height: 9999px;
}

/* ---- Description ---- */
p[data-testid="test-todo-description"] {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 1rem;
  word-break: break-word;
}

article.done p[data-testid="test-todo-description"] {
  color: var(--muted);
}

/* ---- Expand toggle ---- */
.expand-toggle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0.1rem 0;
  margin-bottom: 1.5rem;
  display: block;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.expand-toggle:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.expand-toggle[hidden] {
  display: none;
}

.expand-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---- Date block ---- */
.date-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.5rem;
}

.date-col { padding: 0.75rem 0; }
.date-col:first-child { border-right: 1px solid var(--rule); padding-right: 1rem; }
.date-col:last-child  { padding-left: 1rem; }

.date-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.3rem;
}

time[data-testid="test-todo-due-date"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink);
  display: block;
}

/* ---- Overdue indicator ---- */
.overdue-indicator {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--high);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
  display: inline-block;
  margin-top: 0.35rem;
}

.overdue-indicator[hidden] { display: none; }

/* ---- Time remaining ---- */
time[data-testid="test-todo-time-remaining"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-style: italic;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

time[data-testid="test-todo-time-remaining"].overdue { color: var(--high); }
time[data-testid="test-todo-time-remaining"].soon    { color: var(--medium); }
time[data-testid="test-todo-time-remaining"].done    { color: var(--low); font-style: normal; }

.pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ---- Tags ---- */
ul[data-testid="test-todo-tags"] {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
}

ul[data-testid="test-todo-tags"] li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  transition: all 0.15s ease;
  cursor: default;
}

ul[data-testid="test-todo-tags"] li::before { content: '—\00a0'; opacity: 0.4; }
ul[data-testid="test-todo-tags"] li:hover   { border-color: var(--ink); color: var(--ink); }

/* ---- Card actions ---- */
.card-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
}

button[data-testid="test-todo-edit-button"],
button[data-testid="test-todo-delete-button"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

button[data-testid="test-todo-edit-button"] {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

button[data-testid="test-todo-edit-button"]:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

button[data-testid="test-todo-delete-button"] {
  background: transparent;
  color: var(--high);
  border-color: rgba(193, 68, 14, 0.3);
}

button[data-testid="test-todo-delete-button"]:hover {
  background: var(--high);
  color: var(--paper);
  border-color: var(--high);
}

button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ====================================================
   EDIT FORM
   ==================================================== */

#editForm {
  padding-top: 0.5rem;
}

.edit-heading {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

.edit-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.edit-field label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.edit-field input[type="text"],
.edit-field input[type="datetime-local"],
.edit-field textarea {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.55rem 0.65rem;
  transition: border-color 0.15s;
  width: 100%;
}

.edit-field input[type="text"]:focus,
.edit-field input[type="datetime-local"]:focus,
.edit-field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.edit-field textarea {
  resize: vertical;
  min-height: 7rem;
  line-height: 1.7;
}

/* Priority + due date side by side on desktop */
.edit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.edit-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

button[data-testid="test-todo-cancel-button"],
button[data-testid="test-todo-save-button"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

button[data-testid="test-todo-cancel-button"] {
  background: transparent;
  color: var(--muted);
  border-color: var(--rule);
}

button[data-testid="test-todo-cancel-button"]:hover {
  border-color: var(--muted);
  color: var(--ink);
}

button[data-testid="test-todo-save-button"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

button[data-testid="test-todo-save-button"]:hover {
  background: #2a2a2a;
}

/* ---- Footer ---- */
.card-footer {
  border-top: 1px solid var(--rule);
  border-bottom: 2px solid var(--ink);
  padding: 0.3rem 0;
  display: flex;
  justify-content: space-between;
}

.card-footer span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ====================================================
   RESPONSIVE
   ==================================================== */

@media (max-width: 768px) {
  .scene { max-width: 500px; }
}

@media (max-width: 540px) {
  article[data-testid="test-todo-card"] { padding: 1.75rem 1.25rem 1.5rem; }
  h2[data-testid="test-todo-title"]     { font-size: 1.35rem; }
  .issue-number                          { font-size: 4.5rem; right: 1rem; }

  /* Edit row stacks on mobile */
  .edit-row { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
  body { padding: 1.5rem 1rem; }
  .date-block { grid-template-columns: 1fr; }
  .date-col:first-child {
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding-right: 0;
    padding-bottom: 0.75rem;
  }
  .date-col:last-child { padding-left: 0; padding-top: 0.75rem; }
  .top-row { flex-wrap: wrap; gap: 0.5rem; }
  h2[data-testid="test-todo-title"] { font-size: 1.2rem; }
  .issue-number { display: none; }

  /* Status control wraps on very small screens */
  .title-meta { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}