/* =========================================================
   Currency Converter — styles
   Palette tirée du logo : bleu #2563eb, vert #10b981, fond blanc bleuté.
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
button, input {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  outline: none;
}
button { cursor: pointer; }
svg { display: block; flex-shrink: 0; }
::-webkit-scrollbar { width: 0; height: 0; background: transparent; }
::selection { background-color: #bfdbfe; }

/* ---------- Tokens ---------- */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --blue: #2563eb;
  --blue-600: #1d4ed8;
  --blue-50: #eff5ff;
  --blue-100: #dbe7fe;
  --green: #10b981;
  --green-700: #047857;
  --green-50: #e8f8f1;
  --red: #e11d48;
  --red-50: #fff1f3;
  --amber: #f59e0b;

  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  --line: #e2e9f3;
  --surface: #ffffff;
  --bg: #eef3fa;
  --key: #edf2f9;
  --key-press: #dbe5f3;
  --key-hover: #e4ebf6;
  --hover: #f4f7fc;
  --divider: #edf1f7;
  --handle: #d3dcea;
  --desk-bg: #e3eaf4;
  --header-bg: rgba(255, 255, 255, 0.92);
  --active-bg: linear-gradient(135deg, #f3f7ff 0%, #f1fbf6 100%); /* bleu -> vert, comme les deux pièces du logo */
  --red-100: #ffe4e8;
  --red-border: #fecdd3;
  --backdrop: rgba(15, 23, 42, 0.45);
  --toast-bg: #0f172a;
  --toast-ink: #ffffff;
  --toast-action: #93c5fd;
  color-scheme: light;

  --radius: 16px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --app-width: 480px;
}

/* ---------- Layout ---------- */
html {
  background: var(--bg);
  touch-action: pan-x pan-y; /* pas de zoom (pincer / double-tap) : c'est une app, pas une page */
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}
/* Sur grand écran : une colonne centrée façon app, plutôt qu'un étirement plein écran */
@media (min-width: 600px) {
  html { background: var(--desk-bg); }
  body {
    max-width: var(--app-width);
    margin: 0 auto;
    box-shadow: 0 0 0 1px var(--line), 0 20px 60px -20px rgba(15, 23, 42, 0.18);
  }
}

/* ---------- Header ---------- */
.app-header {
  flex-shrink: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--header-bg);
  background-image: linear-gradient(180deg, transparent 0%, rgba(37, 99, 235, 0.03) 100%);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px var(--line), 0 1px 3px rgba(15, 23, 42, 0.08);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; gap: 1px; }
.brand-title {
  font-size: clamp(14px, 4.3vw, 17px); /* le nom français tient aussi sur les petits écrans */
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-actions { display: flex; align-items: center; flex-shrink: 0; }
.header-actions .icon-btn-sm { width: 36px; height: 36px; background: var(--key); color: var(--ink-2); }

.status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.status-dot {
  width: 6px; height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--faint);
}
.status[data-state="ok"] .status-dot { background: var(--green); }
.status[data-state="offline"] .status-dot,
.status[data-state="saved"] .status-dot { background: var(--amber); }
.status[data-state="loading"] .status-dot { background: var(--blue); animation: blink 1s ease-in-out infinite; }

/* ---------- Boutons icône ---------- */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 150ms, color 150ms, transform 120ms;
}
.icon-btn-sm { width: 32px; height: 32px; }
.icon-btn-lg {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-2);
}
.icon-btn:active { transform: scale(0.94); background: var(--key); }
.icon-btn-lg.is-active {
  background: var(--red-50);
  border-color: var(--red-border);
  color: var(--red);
}
@media (hover: hover) {
  .icon-btn:hover { background: var(--key); color: var(--ink); }
  .icon-btn-lg.is-active:hover { background: var(--red-100); color: var(--red); }
}

/* ---------- Liste des devises ---------- */
.currency-list {
  flex-grow: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 12px 16px;
}

.currency-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  -webkit-touch-callout: none; /* pas de menu contextuel iOS sur appui long */
  transition: background-color 150ms, border-color 150ms, box-shadow 150ms;
}
.currency-row.is-active {
  background: var(--active-bg);
  border-color: var(--blue);
  box-shadow: 0 6px 16px -8px rgba(37, 99, 235, 0.45);
}

.cur-flag-wrap {
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cur-flag {
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--key);
  font-size: 24px;
  line-height: 1;
  transition: transform 120ms;
}
.cur-flag-wrap:active .cur-flag { transform: scale(0.95); }
.currency-row.is-active .cur-flag { background: var(--surface); box-shadow: 0 0 0 1px var(--blue-100); }

.cur-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1 1 auto;
  gap: 2px;
}
.cur-code {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  white-space: nowrap;
  width: fit-content;
  padding: 2px 6px 2px 4px;
  margin: -2px -6px -2px -4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 150ms;
}
.cur-code:active { background: var(--key); }
@media (hover: hover) { .cur-code:hover { background: var(--hover); } }
.cur-code svg { color: var(--faint); flex-shrink: 0; }

.cur-name {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cur-value {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 5px;
  flex: 0 0 auto;
  max-width: 65%;
  min-width: 0;
  pointer-events: none;
}
.cur-amount {
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cur-symbol {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.currency-row.is-active .cur-symbol { color: var(--blue); }

/* Bouton supprimer (mode édition) */
.row-delete {
  width: 30px; height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--red-50);
  color: var(--red);
  transition: transform 120ms, background-color 150ms;
  animation: pop-in 180ms var(--ease);
}
.row-delete:active { transform: scale(0.9); background: var(--red-100); }
.row-delete-spacer { width: 30px; flex-shrink: 0; }

/* ---------- Barre d'actions ---------- */
.actions {
  flex-shrink: 0;
  display: flex;
  gap: 8px;
  padding: 4px 12px 10px;
}
.btn-add {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #3374f0 0%, var(--blue) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 4px 12px -4px rgba(37, 99, 235, 0.5);
  transition: background-color 150ms, transform 120ms;
}
.btn-add:active { transform: scale(0.98); background: var(--blue-600); }
@media (hover: hover) { .btn-add:hover { background: var(--blue-600); } }

/* ---------- Clavier ---------- */
.keypad {
  flex-shrink: 0;
  z-index: 20;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-radius: 20px 20px 0 0;
  padding: 10px 12px 12px;
  box-shadow: 0 -6px 20px -10px rgba(15, 23, 42, 0.12);
}
.keypad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: 420px;
  margin: 0 auto;
}
.key {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--key);
  color: var(--ink);
  font-size: 24px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  transition: background-color 90ms, transform 90ms;
}
.key:active { background: var(--key-press); transform: scale(0.96); }
.key-muted { color: var(--ink-2); }
@media (hover: hover) { .key:hover { background: var(--key-hover); } }
@media (max-height: 680px) { .key { height: 46px; } }

/* ---------- Sélecteur de devise (feuille) ---------- */
.sheet-backdrop {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0; /* (pas "inset" : inconnu des vieilles WebView) */
  z-index: 50;
  display: flex;
  flex-direction: column;
  background: var(--backdrop);
  padding-bottom: env(safe-area-inset-bottom);
  animation: fade-in 180ms ease-out;
}
.sheet {
  margin-top: auto;
  width: 100%;
  max-width: var(--app-width);
  margin-left: auto;
  margin-right: auto;
  height: 100%;
  max-height: 85dvh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -10px 40px -10px rgba(15, 23, 42, 0.3);
  animation: sheet-up 260ms var(--ease);
}
.sheet-handle {
  width: 36px; height: 5px;
  margin: 8px auto 0;
  border-radius: 999px;
  background: var(--handle);
  flex-shrink: 0;
}
.sheet-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 4px 20px;
}
.sheet-title { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.sheet-header .icon-btn { background: var(--key); color: var(--ink-2); }

.search-field {
  position: relative;
  flex-shrink: 0;
  margin: 8px 16px 8px;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faint);
  pointer-events: none;
}
.search-input {
  width: 100%;
  height: 44px;
  padding: 0 40px 0 40px;
  border-radius: var(--radius-sm);
  background: var(--key);
  font-size: 16px; /* 16px évite le zoom auto sur iOS */
  color: var(--ink);
  transition: box-shadow 150ms, background-color 150ms;
}
.search-input::placeholder { color: var(--faint); }
.search-input:focus { background: var(--surface); box-shadow: 0 0 0 2px var(--blue), 0 0 0 5px rgba(37, 99, 235, 0.15); }
.search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--muted);
}
.search-clear:active { background: var(--key-press); }

.picker-list {
  flex-grow: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 4px 8px 16px;
}
.picker-section {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 12px 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.picker-section + .picker-row { box-shadow: none; }
.picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 120ms;
}
.picker-row:active { background: var(--key); }
@media (hover: hover) { .picker-row:hover { background: var(--hover); } }
.picker-row + .picker-row { box-shadow: 0 -1px 0 var(--divider); }
.picker-row:active, .picker-row:active + .picker-row { box-shadow: none; }
.picker-flag {
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--key);
  font-size: 24px;
  line-height: 1;
}
.picker-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.picker-title { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.picker-code { font-weight: 700; font-size: 15px; color: var(--ink); flex-shrink: 0; }
.picker-name {
  font-size: 14px;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.picker-sub {
  margin-top: 1px;
  font-size: 12px;
  color: var(--faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badge {
  flex-shrink: 0;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--green-50);
  color: var(--green-700);
  font-size: 11px;
  font-weight: 600;
}
.picker-empty {
  padding: 40px 16px;
  text-align: center;
  color: var(--faint);
  font-size: 14px;
}

/* ---------- Utilitaires utilisés par le JS ---------- */
.hidden { display: none !important; }
.animate-spin { animation: spin 0.8s linear infinite; }

/* ---------- Réorganisation des devises (glisser-déposer) ---------- */
/* Ligne tenue sous le doigt : suit le doigt sans aucun retard */
.row-dragging {
  z-index: 30;
  transition: box-shadow 150ms !important;
  box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.3) !important;
  will-change: transform;
}
/* Les autres lignes glissent pour lui faire de la place */
.row-shifting {
  transition: transform 200ms var(--ease), background-color 150ms, border-color 150ms !important;
  will-change: transform;
}
/* Au relâchement : la ligne se pose dans son créneau */
.row-settling {
  transition: transform 200ms var(--ease), box-shadow 200ms !important;
  box-shadow: none !important;
}
body.is-dragging,
body.is-dragging * { cursor: grabbing !important; }

/* ---------- Bas de liste : source des taux + À propos ---------- */
.list-footer {
  margin-top: auto;
  padding: 14px 8px 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  color: var(--faint);
}
.list-footer a, .list-footer-about {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  padding: 4px 2px;
}
.list-footer a:active, .list-footer-about:active { color: var(--blue); }

/* Logo + titre cliquables (ouvrent À propos) */
button.brand { text-align: left; border-radius: var(--radius-sm); }
button.brand:active { opacity: 0.7; }

/* ---------- À propos ---------- */
.sheet-auto { height: auto; }
.about-body {
  overflow-y: auto;
  padding: 8px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  user-select: text;
  -webkit-user-select: text;
}
.about-app { display: flex; align-items: center; gap: 14px; }
.about-app img { width: 56px; height: 56px; border-radius: 14px; }
.about-app-name { font-size: 17px; font-weight: 700; }
.about-app-version { font-size: 13px; color: var(--muted); margin-top: 2px; }
.about-section h3 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.about-section p { font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.about-section a {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}

/* ---------- Bandeau "Annuler" après suppression ---------- */
.toast-anchor { position: relative; height: 0; z-index: 25; }
.toast {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 6px 0 16px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--toast-bg);
  color: var(--toast-ink);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 10px 30px -8px rgba(15, 23, 42, 0.45);
  animation: toast-in 220ms var(--ease);
}
.toast.is-leaving { animation: toast-out 180ms ease-in forwards; }
.toast-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toast-action {
  flex-shrink: 0;
  height: 36px;
  padding: 0 12px;
  border-radius: 9px;
  color: var(--toast-action);
  font-weight: 700;
}
.toast-action:active { background: rgba(127, 127, 127, 0.18); }


/* ---------- Mode sombre (suit le réglage du téléphone) ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --blue: #3b82f6;
    --blue-600: #2563eb;
    --blue-50: rgba(59, 130, 246, 0.12);
    --blue-100: rgba(59, 130, 246, 0.3);
    --green: #34d399;
    --green-700: #6ee7b7;
    --green-50: rgba(16, 185, 129, 0.16);
    --red: #fb7185;
    --red-50: rgba(244, 63, 94, 0.14);
    --red-100: rgba(244, 63, 94, 0.24);
    --red-border: rgba(244, 63, 94, 0.35);
    --amber: #fbbf24;

    --ink: #e8edf4;
    --ink-2: #c4cdd9;
    --muted: #8b97a8;
    --faint: #5f6b7c;
    --line: #222d3c;
    --surface: #141b26;
    --bg: #0a1019;
    --key: #1e2735;
    --key-press: #2a3546;
    --key-hover: #253042;
    --hover: #1a2230;
    --divider: #1c2532;
    --handle: #394559;
    --desk-bg: #05080d;
    --header-bg: rgba(20, 27, 38, 0.92);
    --active-bg: linear-gradient(135deg, #16233a 0%, #13282a 100%);
    --backdrop: rgba(0, 0, 0, 0.6);
    --toast-bg: #e8edf4;
    --toast-ink: #0f172a;
    --toast-action: #1d4ed8;
    color-scheme: dark;
  }
  ::selection { background-color: rgba(59, 130, 246, 0.4); }
  .brand-logo { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1); }
  .app-header { background-image: none; }
  .currency-row.is-active { box-shadow: 0 6px 18px -8px rgba(59, 130, 246, 0.5); }
  .currency-row.is-active .cur-flag { background: var(--key); box-shadow: none; }
  .keypad { box-shadow: none; }
  .btn-add { box-shadow: none; }
  @media (min-width: 600px) {
    body { box-shadow: 0 0 0 1px var(--line); }
  }
}

/* ---------- Animations ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 50% { opacity: 0.3; } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes sheet-up { from { transform: translateY(100%); } }
@keyframes pop-in { from { transform: scale(0.6); opacity: 0; } }
@keyframes toast-in { from { transform: translateY(12px); opacity: 0; } }
@keyframes toast-out { to { transform: translateY(12px); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
}