:root {
  --bg: #F1F3EE;
  --bg-alt: #E5E9E1;
  --ink: #16231F;
  --ink-soft: #52625C;
  --primary: #2C6A5D;
  --primary-dark: #1D4A40;
  --line: #CBD3C6;
  --again: #A63446;
  --hard: #B5652B;
  --good: #2C6A5D;
  --easy: #6E8F4E;
  --font-display: "Fraunces", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

body {
  padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
}

button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.view {
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.view--center {
  text-align: center;
  padding-top: 20vh;
}

.view__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.view__header h1 {
  font-size: 1.5rem;
}

.progress {
  font-family: var(--font-mono);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.btn {
  font-size: 0.92rem;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 999px;
  transition: transform 0.08s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn--primary { background: var(--primary); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn--danger { background: transparent; color: var(--again); border: 1px solid var(--again); }
.btn--small { padding: 6px 12px; font-size: 0.82rem; }

.btn--again, .btn--hard, .btn--good, .btn--easy {
  flex: 1;
  color: #fff;
  padding: 14px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.btn--again { background: var(--again); }
.btn--hard { background: var(--hard); }
.btn--good { background: var(--good); }
.btn--easy { background: var(--easy); }

.empty {
  color: var(--ink-soft);
  font-style: italic;
}

/* --- Decks : rendu "plaquette" --- */

.deck-shelf {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.deck-tile {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 16px 18px 16px 22px;
}

.deck-tile__perf {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  background-image: radial-gradient(circle, var(--bg) 2px, transparent 2.2px);
  background-size: 10px 14px;
  background-color: var(--primary);
}

.deck-tile__body h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.deck-tile__meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.deck-tile__due {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--primary-dark);
}

.deck-tile__actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.deck-settings {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* --- Cartes (liste dans un deck) --- */

.card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.card-row__text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.card-row__text span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-row__badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 5px;
  flex-shrink: 0;
}

.card-row__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* --- Révision --- */

.review-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 44vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
  margin: 12px 0 20px;
  overflow: hidden;
}

.review-card__perf {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 10px;
  background-image: radial-gradient(circle, var(--bg) 2px, transparent 2.2px);
  background-size: 14px 10px;
  background-color: var(--primary);
}

.review-card__question {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.3;
}

.review-card__answer {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--primary-dark);
  width: 100%;
}

.hint {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-top: 16px;
}

.grade-row {
  display: flex;
  gap: 8px;
}

.done-check {
  font-size: 2.5rem;
  color: var(--primary);
  margin: 0 0 8px;
}

/* --- Formulaires / modales --- */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 35, 31, 0.45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 10;
}

.modal {
  background: #fff;
  width: 100%;
  max-width: 560px;
  border-radius: 18px 18px 0 0;
  padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal label {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 8px;
}

.modal input, .modal select, .modal textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
}

.modal textarea {
  resize: vertical;
}

.form-fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

@media (min-width: 600px) {
  .overlay { align-items: center; }
  .modal { border-radius: 18px; }
}