:root {
  --bg: #0b1220;
  --bg-elev: #141d2e;
  --bg-elev-2: #1b2740;
  --border: #263251;
  --text: #e8edf7;
  --muted: #8b97ad;
  --accent: #22d3ee;
  --accent-text: #04252b;
  --danger: #f87171;
  --danger-bg: #3a1a1a;
  --success: #4ade80;
  --radius: 16px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body { overscroll-behavior: none; }

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  background: var(--bg);
}

.screen {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  flex-direction: column;
}
.screen.active { display: flex; }

.loading-center, .centered-flow {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  gap: 8px;
  position: relative;
}

.brand { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 8px; }
.brand-icon { width: 64px; height: 64px; border-radius: 18px; }
.brand h1 { font-size: 26px; margin: 0; letter-spacing: 0.5px; }
.brand-logo { width: 190px; max-width: 65%; height: auto; display: block; }
.fingerprint-icon { font-size: 48px; }

.muted { color: var(--muted); font-size: 15px; margin: 4px 0 16px; }

.screen-title { font-size: 20px; margin: 8px 0 20px; }

.segmented {
  display: flex;
  background: var(--bg-elev);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.segmented-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
}
.segmented-btn.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }

.pin-dots {
  display: flex;
  gap: 16px;
  margin: 12px 0 8px;
  min-height: 20px;
}
.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--muted);
  background: transparent;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.pin-dot.filled { background: var(--accent); border-color: var(--accent); transform: scale(1.1); }

.pin-dots.shake { animation: shake 0.4s; }
@keyframes shake {
  10%, 90% { transform: translateX(-6px); }
  20%, 80% { transform: translateX(6px); }
  30%, 50%, 70% { transform: translateX(-10px); }
  40%, 60% { transform: translateX(10px); }
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
  margin: 4px 0 8px;
}
.lockout-text {
  color: var(--danger);
  font-size: 14px;
  margin: 8px 0;
  font-weight: 600;
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 18px;
  margin-top: 12px;
  justify-content: center;
}
.key {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}
.key:active { background: var(--bg-elev-2); }
.key-spacer { visibility: hidden; pointer-events: none; }
.key-action { font-size: 22px; background: transparent; border-color: transparent; }

.btn-column { display: flex; flex-direction: column; gap: 12px; width: 100%; margin-top: 16px; }

.btn {
  border: none;
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }
.btn-small { padding: 10px 16px; font-size: 14px; }

.back-btn {
  position: absolute;
  top: 20px;
  left: 16px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  padding: 6px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 8px;
}
.app-header h1 { font-size: 19px; margin: 0; flex: 1; text-align: center; }
.header-actions { display: flex; gap: 6px; }
.header-actions .icon-btn { position: static; }

.icon-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text);
  padding: 8px;
  line-height: 1;
}

.search-bar { padding: 4px 16px 12px; }
.search-bar input {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
}
.search-bar input::placeholder { color: var(--muted); }

.entry-list { flex: 1; overflow-y: auto; padding: 0 16px 100px; }

.entry-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.entry-card:active { background: var(--bg-elev-2); }
.entry-card-name { font-size: 16px; font-weight: 600; }
.entry-card-user { font-size: 13px; color: var(--muted); margin-top: 2px; }
.entry-card-chev { color: var(--muted); font-size: 18px; }

.empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  padding: 24px;
  line-height: 1.6;
}

.fab {
  position: fixed;
  right: max(24px, calc((100% - 480px) / 2 + 24px));
  bottom: calc(28px + var(--safe-bottom));
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.35);
}

.form { padding: 8px 20px 40px; display: flex; flex-direction: column; }
.field-label { font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.field-input {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--text);
  font-size: 15px;
  width: 100%;
}
.password-row { display: flex; gap: 8px; align-items: center; }
.password-row .field-input { flex: 1; }
.form-actions { margin-top: 28px; }

.detail-body { padding: 12px 20px; }
.detail-row {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.detail-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
.detail-value-row { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; gap: 8px; }
.detail-value { font-size: 16px; word-break: break-all; }
.detail-value.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 1px; }

.settings-body { padding: 12px 20px 40px; }
.settings-row {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.settings-row-toggle, .settings-row-select { cursor: default; }
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); margin: 20px 4px 8px; }
.chev { color: var(--muted); }
select {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
}

.switch { position: relative; display: inline-block; width: 46px; height: 26px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-slider {
  position: absolute; inset: 0; background: var(--bg-elev-2);
  border: 1px solid var(--border); border-radius: 999px; transition: 0.2s; cursor: pointer;
}
.switch-slider::before {
  content: ""; position: absolute; width: 20px; height: 20px; left: 2px; top: 2px;
  background: var(--muted); border-radius: 50%; transition: 0.2s;
}
.switch input:checked + .switch-slider { background: var(--accent); }
.switch input:checked + .switch-slider::before { transform: translateX(20px); background: var(--accent-text); }
.switch input:disabled + .switch-slider { opacity: 0.5; cursor: not-allowed; }

.hint-text { font-size: 12px; color: var(--muted); margin: 4px 4px 18px; line-height: 1.5; }
.footer-hint { margin-top: 24px; text-align: center; }

.danger-zone { margin-top: 28px; border-top: 1px solid var(--border); padding-top: 20px; }
.danger-zone h2 { font-size: 14px; color: var(--danger); margin: 0 0 12px; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; width: 100%; max-width: 340px;
}
.modal-box p { margin: 0 0 18px; font-size: 15px; line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { width: auto; flex: 1; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + var(--safe-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 14px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  max-width: 90%;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }