/* Währungs-Merker — Banknoten-Grün #2e7d4f + Anthrazit */
:root {
  --green: #2e7d4f;
  --green-dark: #246340;
  --green-deep: #16312a;
  --green-soft: #e6f1ea;
  --green-bright: #5bbf86;

  --bg: #f3f5f2;
  --bg-2: #e9efe9;
  --surface: #ffffff;
  --surface-2: #f6f9f6;
  --ink: #1c2622;
  --ink-soft: #4a5853;
  --ink-faint: #748079;
  --line: #d7e0d8;
  --line-strong: #c2cfc4;

  --accent: var(--green);
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warn: #8a6d00;

  --shadow: 0 6px 22px rgba(22, 49, 42, 0.10);
  --shadow-sm: 0 2px 8px rgba(22, 49, 42, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --focus: 0 0 0 3px rgba(46, 125, 79, 0.45);

  --maxw: 640px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #10221c;
  --bg-2: #0c1a15;
  --surface: #16291f;
  --surface-2: #1c3327;
  --ink: #eaf2ec;
  --ink-soft: #b6c7bc;
  --ink-faint: #87998d;
  --line: #284a39;
  --line-strong: #356048;
  --green-soft: #1f3a2c;
  --accent: #58c188;
  --accent-ink: #08130d;
  --danger: #ff8a80;
  --danger-soft: #3a201d;
  --warn: #e8c75a;
  --shadow: 0 8px 26px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
  --focus: 0 0 0 3px rgba(88, 193, 136, 0.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(circle at 12% -10%, rgba(46,125,79,0.10), transparent 42%),
    radial-gradient(circle at 100% 0%, rgba(91,191,134,0.08), transparent 38%),
    var(--bg);
  color: var(--ink);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

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

.skip-link {
  position: absolute;
  left: 8px; top: -48px;
  background: var(--green);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 100;
  transition: top .18s ease;
}
.skip-link:focus { top: 8px; }

/* ---------- App-Bar ---------- */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 12px) 16px 12px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 70%, var(--green-deep) 130%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-icon {
  border-radius: 9px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  flex: none;
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-title { font-weight: 700; font-size: 1.05rem; letter-spacing: .2px; }
.brand-sub { font-size: .72rem; opacity: .85; }

.app-bar-actions { display: flex; align-items: center; gap: 8px; flex: none; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 10px;
  min-height: 40px;
  padding: 0 12px;
  font-size: 1.05rem;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease;
}
.icon-btn:hover { background: rgba(255,255,255,0.26); }
.icon-btn:active { transform: scale(.96); }
.btn-label { font-size: .82rem; font-weight: 600; }
.install-btn { background: rgba(255,255,255,0.92); color: var(--green-dark); border-color: transparent; }
.install-btn:hover { background: #fff; }

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 16px calc(env(safe-area-inset-bottom) + 28px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.card-title { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
h1.card-title { font-size: 1.15rem; }

.hint { margin: 0 0 12px; font-size: .85rem; color: var(--ink-soft); }
.hint strong { color: var(--ink); }

/* ---------- Kurs-Banner ---------- */
.rate-banner {
  background: var(--green-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
}
.rate-line { font-weight: 700; color: var(--green-dark); font-size: 1rem; }
[data-theme="dark"] .rate-line { color: var(--accent); }
.rate-text { font-variant-numeric: tabular-nums; }
.rate-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}
.badge-manual {
  background: var(--warn);
  color: #1b1500;
}
[data-theme="dark"] .badge-manual { color: #1b1500; }
.stamp { font-size: .78rem; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.rate-banner.is-empty { border-left-color: var(--line-strong); background: var(--surface-2); }
.rate-banner.is-empty .rate-line { color: var(--ink-faint); }

/* ---------- Konverter ---------- */
.pair-select, .round-select {
  background: var(--surface-2);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  max-width: 100%;
}
.pair-select:focus-visible, .round-select:focus-visible { outline: none; box-shadow: var(--focus); }

.amount-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 10px;
}
.field { min-width: 0; }
.field-label {
  display: block;
  font-size: .76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  padding: 0 12px;
  min-height: 58px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input-wrap:focus-within { border-color: var(--green); box-shadow: var(--focus); }
.input-wrap--result { background: var(--green-soft); border-color: var(--line); }

.amount-input, .amount-output {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  width: 100%;
  text-align: right;
}
.amount-input:focus { outline: none; }
.amount-input::placeholder { color: var(--ink-faint); font-weight: 500; }
.amount-output {
  text-align: right;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}
.code-tag {
  flex: none;
  margin-left: 10px;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--green-dark);
  background: rgba(46,125,79,0.12);
  padding: 4px 8px;
  border-radius: 8px;
}
[data-theme="dark"] .code-tag { color: var(--accent); background: rgba(88,193,136,0.16); }

.swap-btn {
  align-self: center;
  margin-bottom: 4px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--green);
  background: var(--surface);
  color: var(--green);
  font-size: 1.25rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, background .15s ease;
  flex: none;
}
.swap-btn:hover { background: var(--green-soft); }
.swap-btn:active { transform: rotate(180deg) scale(.92); }
.swap-btn:focus-visible { outline: none; box-shadow: var(--focus); }

/* ---------- Chips ---------- */
.quick-amounts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.chip {
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
  transition: background .12s ease, border-color .12s ease, transform .1s ease;
}
.chip:hover { background: var(--green-soft); border-color: var(--green); }
.chip:active { transform: scale(.95); }
.chip:focus-visible { outline: none; box-shadow: var(--focus); }
.chip-clear { color: var(--ink-soft); margin-left: auto; }

.round-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.round-label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }

/* ---------- Kurs-Pflege ---------- */
.rate-form { margin: 0; }
.rate-eq {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--surface-2);
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 14px;
}
.rate-eq:focus-within { border-color: var(--green); box-shadow: var(--focus); }
.rate-eq-from, .rate-eq-to { font-weight: 800; font-size: 1.05rem; color: var(--ink); white-space: nowrap; }
.rate-input {
  flex: 1;
  min-width: 90px;
  border: none;
  background: transparent;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--green-dark);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  text-align: center;
}
[data-theme="dark"] .rate-input { color: var(--accent); }
.rate-input:focus { outline: none; }
.rate-input::placeholder { color: var(--ink-faint); font-weight: 500; }

.rate-form-actions { margin-top: 14px; display: flex; justify-content: flex-end; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 11px 18px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease, box-shadow .15s ease;
  font-family: inherit;
}
.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: none; box-shadow: var(--focus); }
.btn-sm { padding: 7px 13px; font-size: .85rem; }
.btn-primary { background: var(--green); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { background: var(--surface-2); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--green-soft); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.93); }

/* ---------- Paar-Liste ---------- */
.pair-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.pair-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.pair-item.is-active { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.pair-main { flex: 1; min-width: 0; cursor: pointer; background: none; border: none; text-align: left; padding: 0; font-family: inherit; color: inherit; }
.pair-codes { font-weight: 800; font-size: 1rem; color: var(--ink); letter-spacing: .3px; }
.pair-active-tag {
  font-size: .64rem; font-weight: 800; text-transform: uppercase; letter-spacing: .5px;
  color: var(--green-dark); background: rgba(46,125,79,0.15);
  padding: 2px 7px; border-radius: 999px; margin-left: 8px; vertical-align: middle;
}
[data-theme="dark"] .pair-active-tag { color: var(--accent); }
.pair-sub { font-size: .8rem; color: var(--ink-soft); margin-top: 3px; font-variant-numeric: tabular-nums; }
.pair-sub.no-rate { color: var(--warn); font-weight: 600; }
.pair-del {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--danger);
  font-size: 1.05rem;
  cursor: pointer;
  transition: background .12s ease;
}
.pair-del:hover { background: var(--danger-soft); }
.pair-del:focus-visible { outline: none; box-shadow: var(--focus); }
.pair-del:disabled { opacity: .35; cursor: not-allowed; }

/* ---------- Footer ---------- */
.foot { font-size: .78rem; color: var(--ink-faint); text-align: center; padding: 4px 8px; }
.foot strong { color: var(--ink-soft); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(8, 20, 15, 0.55);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 18px;
  z-index: 60;
  animation: fade .18s ease;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow);
  animation: pop .2s ease;
}
.modal--sm { max-width: 380px; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}
.modal-title { margin: 0; font-size: 1.1rem; font-weight: 700; }
.modal-close {
  background: var(--surface-2);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  width: 36px; min-height: 36px; padding: 0;
  border-radius: 9px; font-size: .95rem;
}
.modal-close:hover { background: var(--green-soft); }
.modal-body { padding: 16px 18px 18px; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field + .field { margin-top: 12px; }
.text-input {
  width: 100%;
  background: var(--surface-2);
  border: 1.5px solid var(--line-strong);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 1rem;
  color: var(--ink);
  font-family: inherit;
}
.text-input:focus { outline: none; border-color: var(--green); box-shadow: var(--focus); }
#newFrom, #newTo { text-transform: uppercase; font-weight: 700; letter-spacing: .5px; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px;
}
.confirm-msg { margin: 0 0 6px; color: var(--ink); }
.error-text { color: var(--danger); font-size: .85rem; font-weight: 600; margin: 10px 0 0; }

/* ---------- Toast ---------- */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 18px);
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: max-content;
  max-width: calc(100vw - 32px);
  pointer-events: none;
}
.toast {
  background: var(--green-deep);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: .9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  animation: toastIn .25s ease;
  border-left: 4px solid var(--green-bright);
}
.toast.is-error { border-left-color: #ff8a80; }
.toast.is-out { animation: toastOut .25s ease forwards; }

@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.98); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(14px); } }

/* ---------- Responsive ---------- */
@media (max-width: 420px) {
  .amount-row { grid-template-columns: 1fr; gap: 8px; }
  .swap-btn { justify-self: center; transform: rotate(90deg); margin: 2px 0; }
  .swap-btn:active { transform: rotate(270deg) scale(.92); }
  .brand-sub { display: none; }
  .install-btn .btn-label { display: none; }
  .amount-input, .amount-output { font-size: 1.2rem; }
  .modal-grid { grid-template-columns: 1fr; }
}

@media (min-width: 421px) {
  .install-btn .btn-label { display: inline; }
}

/* ---------- Zugänglichkeit ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .swap-btn:active { transform: none; }
}

:focus-visible { outline: none; }