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

/* ── Tokens ────────────────────────────────────────────── */
:root {
  --bg: #0c0c11;
  --surface: #13131a;
  --surface-2: #1c1c26;
  --surface-3: #22222f;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);

  --text-1: #eeeef2;
  --text-2: #9898a8;
  --text-3: #45455a;

  --indigo: #6366f1;
  --indigo-soft: rgba(99, 102, 241, 0.14);
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.12);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.12);
  --green: #4ade80;
  --green-soft: rgba(74, 222, 128, 0.12);
  --purple: #c084fc;
  --purple-soft: rgba(192, 132, 252, 0.12);

  --radius-card: 22px;
  --radius-badge: 100px;
  --radius-btn: 10px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.2s;

  --shadow-card:
    0 0 0 1px rgba(99, 102, 241, 0.12), 0 20px 60px rgba(0, 0, 0, 0.55),
    0 4px 16px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ── Base ──────────────────────────────────────────────── */
html {
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background-color: var(--bg);
  background-image:
    radial-gradient(
      ellipse 70% 50% at 15% 20%,
      rgba(99, 102, 241, 0.13) 0%,
      transparent 65%
    ),
    radial-gradient(
      ellipse 55% 45% at 85% 80%,
      rgba(248, 113, 113, 0.07) 0%,
      transparent 60%
    );
  font-family: "Instrument Sans", sans-serif;
  color: var(--text-1);
}

.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;
}
.hidden {
  display: none !important;
}

/* ── Card ──────────────────────────────────────────────── */
article[data-testid="test-todo-card"] {
  position: relative;
  width: 100%;
  max-width: 500px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 28px 28px 36px; /* left padding for indicator */
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  animation: cardIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

article[data-testid="test-todo-card"]:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 1px rgba(99, 102, 241, 0.22),
    0 28px 70px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    ellipse 50% 40% at 92% -5%,
    rgba(99, 102, 241, 0.14) 0%,
    transparent 65%
  );
  border-radius: inherit;
}
.card__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}
.card__inner {
  position: relative;
  z-index: 1;
}

/* ── Priority Indicator bar ────────────────────────────── */
.priority-indicator {
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  transition: background var(--dur) var(--ease);
}
.priority--high {
  background: var(--red);
}
.priority--medium {
  background: var(--amber);
}
.priority--low {
  background: var(--green);
}

/* ── Top row ───────────────────────────────────────────── */
.card__top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}
.card__title-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

/* ── Checkbox ──────────────────────────────────────────── */
.checkbox-wrap {
  position: relative;
  flex-shrink: 0;
  margin-top: 3px;
}

input[type="checkbox"][data-testid="test-todo-complete-toggle"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border: 2px solid rgba(99, 102, 241, 0.45);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  display: block;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
input[type="checkbox"][data-testid="test-todo-complete-toggle"]:checked {
  background: var(--indigo);
  border-color: var(--indigo);
}
input[type="checkbox"][data-testid="test-todo-complete-toggle"]:checked
  + .checkmark {
  opacity: 1;
  transform: translate(-50%, -58%) scale(1) rotate(45deg);
}
.checkmark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: translate(-50%, -58%) scale(0.4) rotate(45deg);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
}
input[type="checkbox"][data-testid="test-todo-complete-toggle"]:focus-visible {
  outline: 2.5px solid var(--indigo);
  outline-offset: 3px;
}

/* ── Title ─────────────────────────────────────────────── */
h2[data-testid="test-todo-title"] {
  font-family: "Syne", sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.12rem);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.35;
  letter-spacing: -0.015em;
  transition: color var(--dur) var(--ease);
}
h2[data-testid="test-todo-title"].is-done {
  text-decoration: line-through;
  color: var(--text-3);
}

/* ── Action buttons ────────────────────────────────────── */
.card__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    background var(--dur),
    color var(--dur),
    border-color var(--dur),
    transform 0.1s;
}
.icon-btn:hover {
  background: var(--surface-2);
  border-color: var(--border-hover);
  color: var(--text-1);
}
.icon-btn:active {
  transform: scale(0.9);
}
.icon-btn:focus-visible {
  outline: 2.5px solid var(--indigo);
  outline-offset: 2px;
}

button[data-testid="test-todo-edit-button"]:hover {
  background: var(--indigo-soft);
  border-color: rgba(99, 102, 241, 0.22);
  color: #a5b4fc;
}
button[data-testid="test-todo-delete-button"]:hover {
  background: var(--red-soft);
  border-color: rgba(248, 113, 113, 0.22);
  color: var(--red);
}

/* ── Badges ────────────────────────────────────────────── */
.card__badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 14px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-badge);
  border: 1px solid transparent;
  line-height: 1;
}
.badge--priority.priority-badge--high {
  background: var(--red-soft);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.18);
}
.badge--priority.priority-badge--medium {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: rgba(251, 191, 36, 0.18);
}
.badge--priority.priority-badge--low {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(74, 222, 128, 0.18);
}

.status--pending {
  background: var(--indigo-soft);
  color: #a5b4fc;
  border-color: rgba(99, 102, 241, 0.2);
}
.status--in-progress {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: rgba(251, 191, 36, 0.18);
}
.status--done {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(74, 222, 128, 0.18);
}

.badge--overdue {
  background: var(--red-soft);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.22);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* ── Status segmented control ──────────────────────────── */
.status-control-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.control-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.segmented {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
}
.seg-btn {
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition:
    background var(--dur),
    color var(--dur);
  white-space: nowrap;
}
.seg-btn:hover {
  color: var(--text-1);
}
.seg-btn.seg--active {
  background: var(--surface-3);
  color: var(--text-1);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}
.seg-btn:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}

/* ── Description + expand ──────────────────────────────── */
.description-wrap {
  margin-bottom: 16px;
}

p[data-testid="test-todo-description"] {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  transition: color var(--dur);
  overflow: hidden;
}
p[data-testid="test-todo-description"].collapsed {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
p[data-testid="test-todo-description"].is-done {
  color: var(--text-3);
}

.collapsible-section {
  /* houses the hidden overflow; handled by CSS clamp */
}

.expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  background: none;
  border: none;
  color: var(--indigo);
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 0;
  transition: opacity var(--dur);
}
.expand-btn:hover {
  opacity: 0.75;
}
.expand-btn:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
  border-radius: 4px;
}
.expand-icon {
  transition: transform 0.25s var(--ease);
}
.expand-btn[aria-expanded="true"] .expand-icon {
  transform: rotate(180deg);
}

/* ── Divider ───────────────────────────────────────────── */
.divider {
  height: 1px;
  margin-bottom: 16px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border) 20%,
    var(--border) 80%,
    transparent
  );
}

/* ── Date row ──────────────────────────────────────────── */
.card__date-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.date-left {
  display: flex;
  align-items: center;
  gap: 7px;
}
.date-icon {
  color: var(--text-3);
  display: flex;
  align-items: center;
}

time[data-testid="test-todo-due-date"] {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
}
span[data-testid="test-todo-time-remaining"] {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.16);
  transition:
    background var(--dur),
    color var(--dur);
}
span[data-testid="test-todo-time-remaining"].overdue {
  background: var(--red-soft);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.16);
}
span[data-testid="test-todo-time-remaining"].done {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(74, 222, 128, 0.16);
}

/* ── Tags ──────────────────────────────────────────────── */
ul[data-testid="test-todo-tags"] {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
ul[data-testid="test-todo-tags"] li {
  font-size: 0.72rem;
  font-weight: 500;
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.14);
  padding: 4px 11px;
  border-radius: var(--radius-badge);
  transition: background var(--dur);
}
ul[data-testid="test-todo-tags"] li:hover {
  background: rgba(99, 102, 241, 0.16);
}

/* ── Edit Form ─────────────────────────────────────────── */
.edit-form {
  animation: fadeIn 0.2s ease both;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.edit-form__heading {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-input,
.form-textarea,
.form-select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-1);
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.875rem;
  padding: 10px 14px;
  transition:
    border-color var(--dur),
    box-shadow var(--dur);
  width: 100%;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}
.form-textarea {
  resize: vertical;
  min-height: 90px;
}
.form-select {
  cursor: pointer;
  appearance: auto;
}
.form-select option {
  background: #1c1c26;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}
.btn {
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--dur),
    color var(--dur),
    transform 0.1s;
}
.btn:active {
  transform: scale(0.96);
}
.btn:focus-visible {
  outline: 2.5px solid var(--indigo);
  outline-offset: 2px;
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-2);
}
.btn--ghost:hover {
  background: var(--surface-2);
  color: var(--text-1);
  border-color: var(--border-hover);
}

.btn--primary {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
}
.btn--primary:hover {
  background: #4f52e0;
}

/* ── Overdue card accent ───────────────────────────────── */
article[data-testid="test-todo-card"].is-overdue {
  border-color: rgba(248, 113, 113, 0.2);
  box-shadow:
    0 0 0 1px rgba(248, 113, 113, 0.15),
    0 20px 60px rgba(0, 0, 0, 0.55);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  article[data-testid="test-todo-card"] {
    padding: 22px 18px 22px 28px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .segmented {
    flex-wrap: wrap;
  }
}
@media (max-width: 360px) {
  h2[data-testid="test-todo-title"] {
    font-size: 0.97rem;
  }
  .card__date-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .form-actions {
    flex-direction: column-reverse;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
}