/* ──────────────────────────────────────────────────────────────
   iOS-accurate design system
   ────────────────────────────────────────────────────────────── */

@font-face {
  font-family: "SFProSystem";
  src: local("SF Pro Text"), local("SF Pro Display"), local("-apple-system"), local("BlinkMacSystemFont");
  font-display: swap;
}

:root {
  /* iOS system colors – light mode */
  --ios-bg: #F2F2F7;
  --ios-bg-elev: #FFFFFF;
  --ios-grouped-bg: #F2F2F7;
  --ios-card: rgba(255, 255, 255, 0.72);
  --ios-card-solid: #FFFFFF;
  --ios-separator: rgba(60, 60, 67, 0.29);
  --ios-thin-separator: rgba(60, 60, 67, 0.18);
  --ios-label: #1C1C1E;
  --ios-secondary-label: rgba(60, 60, 67, 0.60);
  --ios-tertiary-label: rgba(60, 60, 67, 0.30);
  --ios-placeholder: rgba(60, 60, 67, 0.30);
  --ios-fill-quaternary: rgba(120, 120, 128, 0.12);
  --ios-fill-tertiary: rgba(118, 118, 128, 0.16);
  --ios-fill-secondary: rgba(120, 120, 128, 0.18);
  --ios-fill-primary: rgba(120, 120, 128, 0.24);

  --ios-blue: #007AFF;
  --ios-blue-pressed: #0063CC;
  --ios-red: #FF3B30;
  --ios-red-pressed: #D32F2F;
  --ios-green: #34C759;
  --ios-orange: #FF9500;
  --ios-gray: #8E8E93;

  --nav-blur: saturate(180%) blur(20px);
  --sheet-blur: saturate(180%) blur(30px);
  --glass-blur: saturate(200%) blur(30px);

  --radius-card: 18px;
  --radius-button: 12px;
  --radius-sheet: 20px;

  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 24px 60px rgba(0, 0, 0, 0.08);
  --shadow-sheet: 0 -12px 40px rgba(0, 0, 0, 0.22);
  --shadow-alert: 0 20px 50px rgba(0, 0, 0, 0.22);

  --spring: cubic-bezier(0.32, 0.72, 0, 1);
  --spring-back: cubic-bezier(0.22, 1.5, 0.36, 1);

  --safe-top: env(safe-area-inset-top, 0);
  --safe-bottom: env(safe-area-inset-bottom, 0);
  --safe-left: env(safe-area-inset-left, 0);
  --safe-right: env(safe-area-inset-right, 0);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ios-bg: #000000;
    --ios-bg-elev: #1C1C1E;
    --ios-grouped-bg: #000000;
    --ios-card: rgba(28, 28, 30, 0.72);
    --ios-card-solid: #1C1C1E;
    --ios-separator: rgba(84, 84, 88, 0.65);
    --ios-thin-separator: rgba(84, 84, 88, 0.45);
    --ios-label: #FFFFFF;
    --ios-secondary-label: rgba(235, 235, 245, 0.60);
    --ios-tertiary-label: rgba(235, 235, 245, 0.30);
    --ios-placeholder: rgba(235, 235, 245, 0.30);
    --ios-fill-quaternary: rgba(118, 118, 128, 0.18);
    --ios-fill-tertiary: rgba(118, 118, 128, 0.24);
    --ios-fill-secondary: rgba(118, 118, 128, 0.32);
    --ios-fill-primary: rgba(118, 118, 128, 0.40);

    --ios-blue: #0A84FF;
    --ios-blue-pressed: #0066CC;
    --ios-red: #FF453A;
    --ios-red-pressed: #CC2E26;
    --ios-green: #30D158;
    --ios-orange: #FF9F0A;

    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4), 0 24px 60px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--ios-grouped-bg);
  color: var(--ios-label);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.29;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
}

body {
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

.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;
}

/* ──────────────────────────────────────────────────────────────
   Gate screen
   ────────────────────────────────────────────────────────────── */
.gate-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.gate-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(at 20% 30%, rgba(0, 122, 255, 0.18), transparent 60%),
    radial-gradient(at 80% 70%, rgba(175, 82, 222, 0.14), transparent 60%),
    radial-gradient(at 40% 90%, rgba(52, 199, 89, 0.10), transparent 60%),
    var(--ios-grouped-bg);
  filter: blur(0px);
}
@media (prefers-color-scheme: dark) {
  .gate-bg {
    background:
      radial-gradient(at 10% 20%, rgba(10, 132, 255, 0.28), transparent 55%),
      radial-gradient(at 90% 80%, rgba(191, 90, 242, 0.22), transparent 55%),
      radial-gradient(at 40% 100%, rgba(48, 209, 88, 0.14), transparent 60%),
      #000;
  }
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: orb-drift 16s ease-in-out infinite alternate;
  pointer-events: none;
}
.orb-a { top: -10%; left: -8%; width: 50vmin; height: 50vmin; background: #64B5F6; }
.orb-b { bottom: -14%; right: -12%; width: 60vmin; height: 60vmin; background: #CE93D8; animation-delay: -6s; }
.orb-c { top: 40%; left: 70%; width: 34vmin; height: 34vmin; background: #A5D6A7; animation-delay: -12s; }
@media (prefers-color-scheme: dark) {
  .orb-a { background: #0A84FF; opacity: 0.28; }
  .orb-b { background: #BF5AF2; opacity: 0.22; }
  .orb-c { background: #30D158; opacity: 0.16; }
}

@keyframes orb-drift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(2%, -3%, 0) scale(1.08); }
}

.gate-wrap {
  width: 100%;
  padding: 24px;
  max-width: 460px;
}

.glass-card {
  background: var(--ios-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  position: relative;
}
@media (prefers-color-scheme: dark) {
  .glass-card { border-color: rgba(255, 255, 255, 0.08); }
}

.gate-card {
  padding: 28px 24px 24px;
  text-align: center;
  animation: card-rise 560ms var(--spring-back) both;
}

@keyframes card-rise {
  0% { transform: translateY(18px) scale(0.96); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.lock-badge {
  width: 72px; height: 72px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0,122,255,0.18), rgba(0,122,255,0.08));
  color: var(--ios-blue);
  border: 1px solid rgba(0, 122, 255, 0.24);
}
@media (prefers-color-scheme: dark) {
  .lock-badge {
    background: linear-gradient(180deg, rgba(10,132,255,0.26), rgba(10,132,255,0.10));
    border-color: rgba(10, 132, 255, 0.35);
  }
}

.gate-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}
.gate-sub {
  margin: 0 0 20px;
  color: var(--ios-secondary-label);
  font-size: 15px;
}

.gate-error {
  margin: 12px 0 0;
  color: var(--ios-red);
  font-size: 14px;
  min-height: 1em;
}

/* ──────────────────────────────────────────────────────────────
   iOS inputs
   ────────────────────────────────────────────────────────────── */
.ios-input-wrap {
  display: flex;
  align-items: center;
  background: var(--ios-fill-tertiary);
  border-radius: var(--radius-button);
  border: 1px solid transparent;
  padding: 0 14px;
  transition: border-color 160ms var(--spring), box-shadow 200ms var(--spring), background-color 160ms ease;
  height: 48px;
  width: 100%;
}
.ios-input-wrap:focus-within {
  border-color: var(--ios-blue);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15);
  background: var(--ios-bg-elev);
  animation: focus-pulse 1400ms ease-in-out infinite;
}
@keyframes focus-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15); }
  50%      { box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.28); }
}

.ios-input {
  flex: 1 1 auto;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ios-label);
  font: inherit;
  font-size: 17px;
  min-width: 0;
  padding: 12px 0;
}
.ios-input.tiny { font-size: 15px; padding: 10px 0; }
.ios-input::placeholder { color: var(--ios-placeholder); }

.ios-input-wrap.inline { height: 40px; padding: 0 10px; background: var(--ios-fill-quaternary); }
.ios-input-wrap.inline.with-eye { padding-right: 6px; }

.input-suffix {
  color: var(--ios-secondary-label);
  font-size: 15px;
  padding-left: 6px;
  white-space: nowrap;
}

/* ──────────────────────────────────────────────────────────────
   iOS buttons
   ────────────────────────────────────────────────────────────── */
.ios-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  font-size: 17px;
  padding: 14px 22px;
  border: none;
  cursor: pointer;
  color: #fff;
  border-radius: var(--radius-button);
  min-height: 48px;
  transform: translateZ(0);
  transition: transform 140ms var(--spring-back), background-color 160ms ease, opacity 160ms ease;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
}
.ios-btn:active { transform: scale(0.97); }
.ios-btn:focus-visible { outline: 3px solid rgba(0, 122, 255, 0.45); outline-offset: 2px; }
.ios-btn[disabled], .ios-btn.is-loading { opacity: 0.6; pointer-events: none; }
.ios-btn-pill { border-radius: 999px; }
.ios-btn-primary { background: var(--ios-blue); }
.ios-btn-primary:hover { background: var(--ios-blue-pressed); }
.ios-btn-destructive { background: var(--ios-red); }
.ios-btn-destructive:hover { background: var(--ios-red-pressed); }
.ios-btn-plain {
  background: transparent;
  color: var(--ios-blue);
  min-height: auto;
  padding: 10px 12px;
}
.ios-btn-plain:hover { background: var(--ios-fill-quaternary); }
.ios-btn.wide { width: 100%; }

.btn-spinner {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: spin 800ms linear infinite;
  display: none;
}
.is-loading .btn-spinner { display: inline-block; }
.is-loading .btn-label { opacity: 0.4; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ──────────────────────────────────────────────────────────────
   Nav bar
   ────────────────────────────────────────────────────────────── */
.ios-navbar {
  position: sticky;
  top: 0;
  z-index: 60;
  padding-top: var(--safe-top);
  background: color-mix(in srgb, var(--ios-bg) 72%, transparent);
  -webkit-backdrop-filter: var(--nav-blur);
  backdrop-filter: var(--nav-blur);
  border-bottom: 0.5px solid transparent;
  transition: border-color 180ms ease, background-color 180ms ease;
}
.ios-navbar.scrolled {
  border-bottom-color: var(--ios-separator);
  background: color-mix(in srgb, var(--ios-bg) 92%, transparent);
}
.navbar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 12px;
}
.nav-right { justify-self: end; }
.nav-left { justify-self: start; }
.nav-compact-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms var(--spring), transform 240ms var(--spring);
}
.ios-navbar.scrolled .nav-compact-title {
  opacity: 1;
  transform: translateY(0);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--ios-blue);
  padding: 6px 8px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 140ms ease, transform 140ms var(--spring-back);
}
.nav-btn:active { background: var(--ios-fill-quaternary); transform: scale(0.92); }

/* ──────────────────────────────────────────────────────────────
   App layout
   ────────────────────────────────────────────────────────────── */
.app-body { background: var(--ios-grouped-bg); }
.app-scroll { padding-bottom: calc(var(--safe-bottom) + 48px); }

.large-title-wrap {
  padding: 16px 20px 10px;
  padding-top: 8px;
}
.large-title {
  margin: 0;
  font-weight: 800;
  font-size: 34px;
  letter-spacing: -0.024em;
}
.large-subtitle {
  margin: 4px 0 0;
  font-size: 15px;
  color: var(--ios-secondary-label);
}

.ios-group { padding: 14px 16px 8px; }
.group-header {
  margin: 16px 4px 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ios-secondary-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.group-footnote {
  margin: 6px 4px 0;
  font-size: 13px;
  color: var(--ios-secondary-label);
  line-height: 1.3;
}

.rounded-card {
  background: var(--ios-card-solid);
  border: 0.5px solid var(--ios-thin-separator);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.glass-card.rounded-card { background: var(--ios-card); }

/* ──────────────────────────────────────────────────────────────
   Segmented control (pixel-accurate iOS)
   ────────────────────────────────────────────────────────────── */
.segmented-wrap {
  padding: 14px 14px 6px;
}
.ios-segmented {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 2px;
  background: var(--ios-fill-tertiary);
  border-radius: 9px;
  user-select: none;
  -webkit-user-select: none;
}
.seg-item {
  position: relative;
  z-index: 2;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 500;
  font-size: 13px;
  color: var(--ios-label);
  padding: 7px 10px;
  cursor: pointer;
  border-radius: 7px;
  transition: transform 100ms var(--spring-back), opacity 180ms ease;
}
.seg-item:active { transform: scale(0.96); }
.seg-item.active { font-weight: 600; }
.seg-thumb {
  position: absolute;
  z-index: 1;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: calc(50% - 2px);
  background: var(--ios-bg-elev);
  border-radius: 7px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: transform 260ms var(--spring-back);
}
.ios-segmented[data-index="1"] .seg-thumb { transform: translateX(100%); }

/* ──────────────────────────────────────────────────────────────
   List rows
   ────────────────────────────────────────────────────────────── */
.ios-list {
  display: flex;
  flex-direction: column;
}
.ios-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  min-height: 44px;
  background: transparent;
  border: none;
  color: var(--ios-label);
  font: inherit;
  font-size: 17px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  position: relative;
  transition: background-color 110ms ease;
}
.ios-row + .ios-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: var(--ios-separator);
}
.ios-row.no-chevron { cursor: default; }
.ios-row:active:not(.no-chevron) { background: var(--ios-fill-quaternary); }
.row-label {
  flex: 0 0 auto;
  min-width: 96px;
  color: var(--ios-label);
  font-size: 15px;
  font-weight: 500;
}
.row-value { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.row-value .ios-input-wrap.inline { width: 100%; }
.row-chevron {
  color: var(--ios-tertiary-label);
  margin-left: 8px;
  transition: transform 160ms var(--spring);
}
.ios-row:active .row-chevron { transform: translateX(2px); }
.generate-row {
  justify-content: flex-start;
  padding-top: 4px;
  padding-bottom: 14px;
}
.card-footer {
  padding: 4px 14px 14px;
  display: flex;
  justify-content: stretch;
}

/* Account rows */
.account-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 12px 16px;
  min-height: 58px;
  position: relative;
  cursor: pointer;
}
.account-row + .account-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 0;
  height: 0.5px;
  background: var(--ios-separator);
}
.account-row:active { background: var(--ios-fill-quaternary); }
.account-main {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.account-email {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ios-label);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-pw {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
}
.pw-display {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "SF Mono", Consolas, monospace;
  font-size: 13px;
  color: var(--ios-secondary-label);
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chev-right {
  color: var(--ios-tertiary-label);
}

.eye-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ios-blue);
  padding: 6px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 140ms ease, transform 140ms var(--spring-back);
}
.eye-btn:active { background: var(--ios-fill-quaternary); transform: scale(0.92); }
.link-btn {
  background: transparent;
  border: none;
  color: var(--ios-blue);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-btn:active { opacity: 0.6; }

/* ──────────────────────────────────────────────────────────────
   Empty state
   ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ios-secondary-label);
  font-size: 15px;
}

/* ──────────────────────────────────────────────────────────────
   Bottom sheet (modal)
   ────────────────────────────────────────────────────────────── */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 280ms var(--spring);
}
.sheet-backdrop.is-open { opacity: 1; }

.sheet {
  position: fixed;
  z-index: 91;
  left: 0; right: 0; bottom: 0;
  background: var(--ios-card-solid);
  border-top-left-radius: var(--radius-sheet);
  border-top-right-radius: var(--radius-sheet);
  box-shadow: var(--shadow-sheet);
  padding: 10px 20px calc(24px + var(--safe-bottom));
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 380ms var(--spring);
  will-change: transform;
}
.sheet.is-open { transform: translateY(0); }

.sheet-handle {
  width: 36px; height: 5px;
  margin: 6px auto 16px;
  background: var(--ios-tertiary-label);
  border-radius: 3px;
}

.sheet h3 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sheet p.sheet-subtitle {
  margin: 0 0 18px;
  color: var(--ios-secondary-label);
  font-size: 15px;
}

.sheet-detail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 10px;
}
.detail-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--ios-fill-quaternary);
  padding: 12px 14px;
  border-radius: 14px;
}
.detail-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ios-secondary-label);
}
.detail-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "SF Mono", Consolas, monospace;
  font-size: 15px;
  color: var(--ios-label);
  word-break: break-all;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.copy-btn {
  background: var(--ios-fill-tertiary);
  border: none;
  padding: 6px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--ios-blue);
  cursor: pointer;
}
.copy-btn:active { opacity: 0.6; }

.sheet-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 8px;
}

/* ──────────────────────────────────────────────────────────────
   iOS Alert (UIAlertController-style)
   ────────────────────────────────────────────────────────────── */
.alert-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 200ms ease;
}
.alert-backdrop.is-open { opacity: 1; }
.alert-card {
  position: fixed;
  z-index: 101;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(1.12);
  width: min(270px, calc(100% - 40px));
  background: var(--ios-card-solid);
  border-radius: 14px;
  box-shadow: var(--shadow-alert);
  overflow: hidden;
  opacity: 0;
  transition: transform 220ms var(--spring-back), opacity 220ms ease;
}
.alert-card.is-open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}
.alert-head {
  padding: 20px 18px 14px;
  text-align: center;
}
.alert-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.alert-message {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ios-label);
  line-height: 1.34;
}
.alert-actions {
  display: flex;
  flex-direction: column;
  border-top: 0.33px solid var(--ios-separator);
}
.alert-actions.horizontal {
  flex-direction: row;
}
.alert-btn {
  flex: 1 1 0;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 17px;
  color: var(--ios-blue);
  padding: 12px;
  cursor: pointer;
  min-height: 44px;
}
.alert-btn:hover { background: var(--ios-fill-quaternary); }
.alert-btn.destructive { color: var(--ios-red); }
.alert-btn.bold { font-weight: 600; }
.alert-actions.horizontal .alert-btn + .alert-btn {
  border-left: 0.33px solid var(--ios-separator);
}
.alert-actions:not(.horizontal) .alert-btn + .alert-btn {
  border-top: 0.33px solid var(--ios-separator);
}

/* ──────────────────────────────────────────────────────────────
   Toast
   ────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  z-index: 110;
  bottom: calc(24px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: rgba(50, 50, 50, 0.92);
  color: #fff;
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 500;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sheet);
  pointer-events: none;
  transition: transform 340ms var(--spring-back), opacity 240ms ease;
  opacity: 0;
  max-width: calc(100% - 40px);
  white-space: nowrap;
}
.toast.is-open {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { background: rgba(52, 199, 89, 0.95); }
.toast.error { background: rgba(255, 59, 48, 0.95); }

.app-footer-pad { height: 60px; }