/* Todo by Meriem — mobiel-first, één kolom < 640px, kaartlayout daarboven
   (spec §5). Touch-targets ≥ 44px, bruikbaar vanaf 360px zonder horizontaal
   scrollen (acceptatiecriterium 10). */

:root {
  --accent: #4f46e5;
  --accent-dark: #4338ca;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --ok: #15803d;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #d1d5db;
  --bg: #f3f4f6;
  --card: #ffffff;
  --radius: 10px;
  --touch: 44px;
}

* { box-sizing: border-box; }

/* [hidden] moet ook winnen van display: flex op dezelfde elementen. */
[hidden] { display: none !important; }

html { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

#app {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem;
}

@media (min-width: 640px) {
  #app { padding: 2.5rem 1.5rem; }
}

.page-loading, .noscript {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1rem;
}

/* --- Kaarten --- */

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.1);
  padding: 1.25rem;
}

@media (min-width: 640px) {
  .card { padding: 1.75rem; }
}

.auth-card {
  max-width: 26rem;
  margin: 1.5rem auto 0;
}

.brand {
  text-align: center;
  font-size: 1.5rem;
  margin: 0.5rem 0 1.25rem;
}

.check { color: var(--accent); }

h1, h2 { line-height: 1.25; }

/* --- Formulieren --- */

form { margin: 0; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  min-height: var(--touch);
  padding: 0.5rem 0.75rem;
  font: inherit;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

textarea { resize: vertical; min-height: 4.5rem; }

input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

.field-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin: 0.25rem 0 0;
}

.form-error {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

/* --- Knoppen --- */

button {
  font: inherit;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: none;
  color: inherit;
}

button:disabled { opacity: 0.6; cursor: default; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  width: 100%;
}

.btn-primary:not(:disabled):hover { background: var(--accent-dark); }

.btn-secondary {
  border: 1px solid var(--border);
  background: var(--card);
}

.btn-danger { color: var(--danger); }

.btn-icon {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.5rem;
  border-radius: 8px;
}

.btn-icon:not(:disabled):hover { background: var(--bg); color: var(--text); }

.auth-switch {
  text-align: center;
  margin: 1rem 0 0;
  font-size: 0.9375rem;
}

a { color: var(--accent); }

/* --- Topbalk (todo-overzicht) --- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.topbar h1 { font-size: 1.375rem; margin: 0; flex: 1 1 auto; }

.topbar .user-email {
  color: var(--text-muted);
  font-size: 0.875rem;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* --- Nieuw-todo-formulier --- */

.new-todo { margin-bottom: 1rem; }

.new-todo .btn-primary { width: auto; }

/* --- Statusfilter --- */

.filters {
  display: flex;
  gap: 0.375rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.filters button {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 0.375rem 0.875rem;
  font-size: 0.9375rem;
}

.filters button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* --- Todolijst --- */

.todo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.todo-item {
  display: flex;
  align-items: flex-start;
  gap: 0.25rem;
  padding: 0.375rem 0.5rem;
}

.todo-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch);
  min-height: var(--touch);
  cursor: pointer;
  flex-shrink: 0;
}

.todo-toggle input {
  width: 1.375rem;
  height: 1.375rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.todo-body { flex: 1 1 auto; min-width: 0; padding-top: 0.625rem; }

.todo-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  /* break-word: alleen afbreken als een woord echt niet past (geen agressieve
     mid-woord-breuken zoals bij `anywhere`). */
  overflow-wrap: break-word;
}

.todo-item.completed .todo-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

.todo-desc {
  margin: 0.125rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  overflow-wrap: break-word;
  white-space: pre-wrap;
}

.todo-actions { display: flex; flex-shrink: 0; }

.todo-edit-form { flex: 1 1 auto; padding: 0.375rem 0; }

.todo-edit-form .edit-buttons { display: flex; gap: 0.5rem; }

.todo-edit-form .btn-primary { width: auto; }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1rem;
  margin: 0;
}

/* --- Toasts --- */

.toasts {
  position: fixed;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 26rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--text);
  color: #fff;
  border-radius: 8px;
  padding: 0.375rem 0.375rem 0.375rem 0.875rem;
  font-size: 0.9375rem;
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.25);
}

.toast.error { background: var(--danger); }
.toast.success { background: var(--ok); }

.toast .msg { flex: 1 1 auto; }

.toast button {
  color: inherit;
  font-size: 1.125rem;
  line-height: 1;
  padding: 0.5rem;
  opacity: 0.8;
}

.toast button:hover { opacity: 1; }