/* style.css — R99 适老化大字版 */
:root {
  --color-primary: #FF7B42;
  --color-secondary: #0288D1;
  --color-bg: #FAFAFA;
  --color-card-bg: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #757575;
  --color-accent: #FFC107;
  --color-success: #2E7D32;
  --color-error: #C62828;
  --fs-sm: 18px;
  --fs-md: 22px;
  --fs-lg: 26px;
  --fs-btn: 22px;
  --fs-aux: 18px;
  --fs-nav: 22px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --touch-min: 60px;
  --touch-btn: 72px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 12px rgba(0,0,0,0.08);
  --transition-normal: 0.3s;
  --a11y-bar-h: 56px;
  --bottom-nav-h: 80px;
  --contact-footer-h: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="gov-blue"] {
  --color-primary: #1D70B8;
  --color-secondary: #003078;
  --color-bg: #F3F2F1;
  --color-success: #00703C;
}

[data-theme="yellow-black"] {
  --color-bg: #FFDD00;
  --color-card-bg: #FFE44D;
  --color-text: #000000;
  --color-text-secondary: #1A1A1A;
  --color-primary: #0000EE;
  --color-secondary: #000000;
  --color-accent: #CC0000;
}

[data-theme="black-white"] {
  --color-bg: #121212;
  --color-card-bg: #1E1E1E;
  --color-text: #E0E0E0;
  --color-text-secondary: #BDBDBD;
  --color-primary: #4FC3F7;
  --color-secondary: #81D4FA;
}

[data-font-size="small"] {
  --fs-sm: 14px; --fs-md: 16px; --fs-lg: 20px;
  --fs-btn: 16px; --fs-aux: 14px; --fs-nav: 18px;
}
[data-font-size="medium"] {
  --fs-sm: 16px; --fs-md: 18px; --fs-lg: 24px;
  --fs-btn: 20px; --fs-aux: 16px; --fs-nav: 20px;
}
[data-font-size="large"] {
  --fs-sm: 18px; --fs-md: 22px; --fs-lg: 26px;
  --fs-btn: 22px; --fs-aux: 18px; --fs-nav: 22px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  font-size: var(--fs-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  padding-top: var(--a11y-bar-h);
  padding-bottom: calc(var(--bottom-nav-h) + var(--contact-footer-h) + var(--safe-bottom) + 16px);
  transition: background var(--transition-normal), color var(--transition-normal);
}

button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

#accessibility-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; gap: 6px; padding: 8px 12px;
  background: var(--color-card-bg); border-bottom: 2px solid var(--color-primary);
  min-height: var(--a11y-bar-h);
}
.a11y-btn {
  min-width: var(--touch-min); min-height: 44px; padding: 8px 12px;
  border: 2px solid var(--color-primary); border-radius: var(--radius-md);
  background: var(--color-card-bg); font-size: var(--fs-aux); font-weight: 700;
  cursor: pointer;
}
.a11y-btn--label { flex: 0 0 auto; min-width: 52px; }

#breadcrumb {
  position: sticky; top: var(--a11y-bar-h); z-index: 50;
  display: flex; align-items: center; gap: 12px;
  padding: 10px var(--spacing-sm); background: var(--color-bg);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
#breadcrumb[hidden] { display: none; }
.back-btn {
  min-height: var(--touch-min); min-width: var(--touch-min);
  padding: 8px 12px; font-size: var(--fs-btn); font-weight: 700;
  border: 2px solid var(--color-secondary); border-radius: var(--radius-md);
  background: var(--color-card-bg); cursor: pointer;
}
.breadcrumb-text { font-size: var(--fs-md); font-weight: 700; }

#app-content { max-width: 640px; margin: 0 auto; padding: var(--spacing-sm); }
.page { display: none; }
.page.active { display: block; }

.hero { text-align: center; padding: var(--spacing-md) var(--spacing-sm); }
.hero-title { font-size: calc(var(--fs-lg) + 8px); color: var(--color-primary); font-weight: 800; }
.hero-subtitle { font-size: var(--fs-md); color: var(--color-text-secondary); margin-top: 8px; }

.section-title { font-size: var(--fs-lg); margin: var(--spacing-md) 0 var(--spacing-sm); font-weight: 800; }
.section-title--sos { color: var(--color-error); }
.section-label { font-size: var(--fs-md); font-weight: 700; margin: 16px 0 8px; }
.page-title { font-size: var(--fs-lg); font-weight: 800; margin-bottom: var(--spacing-sm); }

.search-bar {
  display: flex; gap: 8px; align-items: stretch;
}
.search-bar input {
  flex: 1; min-height: var(--touch-min); padding: 12px 16px;
  font-size: var(--fs-md); border: 3px solid var(--color-primary);
  border-radius: var(--radius-md); background: var(--color-card-bg);
}
.mic-btn {
  width: var(--touch-btn); min-width: var(--touch-btn); height: var(--touch-btn);
  border: none; border-radius: 50%; background: var(--color-primary); color: #fff;
  font-size: 28px; cursor: pointer; flex-shrink: 0;
}

.card {
  background: var(--color-card-bg); border-radius: var(--radius-lg);
  padding: var(--spacing-sm); margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-card); border: 2px solid transparent;
}
.card h3 { font-size: var(--fs-md); margin-bottom: 6px; }
.card p { font-size: var(--fs-sm); color: var(--color-text-secondary); }

.card-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.card-btn {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 8px; cursor: pointer; min-height: var(--touch-card-min-h, 140px);
  width: 100%; border: 2px solid var(--color-primary);
}
.card-icon { font-size: 40px; }
.card-btn strong { font-size: var(--fs-md); }

.weather-card { display: flex; gap: 16px; align-items: center; }
.weather-icon { font-size: 48px; }

.emergency-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: var(--touch-btn); min-width: 0; padding: 12px 8px;
  border: 3px solid var(--color-error); border-radius: var(--radius-lg);
  background: #FFEBEE; cursor: pointer;
}
.emergency-btn.sos { background: var(--color-error); color: #fff; border-color: #B71C1C; }
.emergency-icon { font-size: 36px; }
.emergency-label { font-size: var(--fs-sm); font-weight: 800; margin-top: 4px; text-align: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--touch-min); padding: 14px 24px;
  font-size: var(--fs-btn); font-weight: 700; border-radius: var(--radius-md);
  border: 3px solid var(--color-primary); cursor: pointer;
  background: var(--color-card-bg); color: var(--color-text);
}
.btn--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--secondary { border-color: var(--color-secondary); color: var(--color-secondary); }
.btn--option { width: 100%; margin-bottom: 10px; min-height: var(--touch-btn); }
.btn--text { background: none; border: none; color: var(--color-secondary); min-height: var(--touch-min); }
.btn--chip { font-size: var(--fs-sm); padding: 10px 14px; margin: 4px; }
.btn-block { width: 100%; margin-top: 12px; }

#bottom-nav {
  position: fixed; left: 0; right: 0; bottom: calc(var(--contact-footer-h) + var(--safe-bottom));
  z-index: 150; display: flex; background: var(--color-card-bg);
  border-top: 3px solid var(--color-primary); min-height: var(--bottom-nav-h);
}
.nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 8px 4px; min-height: var(--bottom-nav-h);
  color: var(--color-text-secondary); font-weight: 700;
}
.nav-item.active { color: var(--color-primary); background: rgba(255,123,66,0.08); }
.nav-icon { font-size: 28px; line-height: 1; }
.nav-label { font-size: var(--fs-nav); }

#voice-hud {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--bottom-nav-h) + var(--contact-footer-h) + var(--safe-bottom) + 12px);
  z-index: 160; display: flex; gap: 8px; align-items: center;
  padding: 10px 16px; background: var(--color-card-bg);
  border: 3px solid var(--color-primary); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
#voice-hud.hidden { display: none; }
.voice-btn { min-width: var(--touch-min); min-height: var(--touch-min); font-size: 24px; border: none; background: none; cursor: pointer; }

#sos-fab {
  position: fixed; right: 16px;
  bottom: calc(var(--bottom-nav-h) + var(--contact-footer-h) + var(--safe-bottom) + 72px);
  width: 64px; height: 64px; border-radius: 50%; border: none;
  background: var(--color-error); color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: var(--shadow-card); z-index: 140; cursor: pointer;
}

#toast-container {
  position: fixed; top: calc(var(--a11y-bar-h) + 8px); left: 50%; transform: translateX(-50%);
  z-index: 300; width: min(92vw, 400px); pointer-events: none;
}
.toast {
  background: rgba(26,26,26,0.92); color: #fff; padding: 14px 20px;
  border-radius: var(--radius-md); margin-bottom: 8px; font-size: var(--fs-md);
  text-align: center;
}
.toast--success { background: var(--color-success); }
.toast--warn { background: var(--color-error); }

#modal-container {
  position: fixed; inset: 0; z-index: 400;
  display: none; align-items: flex-end; justify-content: center;
  pointer-events: none;
}
#modal-container.is-open,
#modal-container:has(.confirm-sheet) {
  display: flex;
  pointer-events: auto;
  z-index: 1000;
}
body.modal-open .em-entry-btn,
body:has(#modal-container .confirm-sheet) .em-entry-btn,
body.modal-open .chat-widget-fab,
body:has(#modal-container .confirm-sheet) .chat-widget-fab {
  visibility: hidden;
  pointer-events: none;
}
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.confirm-sheet {
  position: relative; width: 100%; max-width: 480px;
  background: var(--color-card-bg); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--spacing-md); z-index: 1;
}
.confirm-sheet h2 { font-size: var(--fs-lg); margin-bottom: 12px; }
.confirm-sheet p { font-size: var(--fs-md); margin-bottom: 20px; white-space: pre-wrap; }
.sheet-actions { display: flex; flex-direction: column; gap: 12px; }
.sheet-actions .btn { width: 100%; min-height: var(--touch-btn); }

.step-flow { margin-top: var(--spacing-sm); }
.step-question { font-size: var(--fs-lg); margin: 16px 0; }
.progress-dots { display: flex; gap: 12px; justify-content: center; margin-bottom: 16px; }
.progress-dot {
  width: 16px; height: 16px; border-radius: 50%;
  border: 3px solid var(--color-secondary); background: transparent;
}
.progress-dot.current { background: var(--color-secondary); }
.progress-dot.done { background: var(--color-success); border-color: var(--color-success); }

.chip-btn, .history-chip {
  display: inline-block; margin: 4px 6px 4px 0; padding: 10px 16px;
  border: 2px solid var(--color-primary); border-radius: 999px;
  background: var(--color-card-bg); font-size: var(--fs-sm); cursor: pointer;
}

.help-item summary { font-size: var(--fs-md); font-weight: 700; cursor: pointer; min-height: var(--touch-min); display: flex; align-items: center; }
.help-item p { margin-top: 10px; font-size: var(--fs-sm); }
.contact-edit { display: block; margin-bottom: 12px; font-weight: 700; }
.contact-edit input {
  display: block; width: 100%; margin-top: 6px; min-height: var(--touch-min);
  padding: 12px; font-size: var(--fs-md); border: 2px solid var(--color-primary); border-radius: var(--radius-md);
}

.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: var(--fs-aux); font-weight: 700; }
.tag--ok { background: #E8F5E9; color: var(--color-success); }
.tag--warn { background: #FFF3E0; color: #E65100; }

.empty-hint { text-align: center; padding: 24px; color: var(--color-text-secondary); }

.contact-footer {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 120;
  background: var(--color-card-bg); border-top: 1px solid rgba(0,0,0,0.08);
  padding: 10px 12px calc(10px + var(--safe-bottom));
}
.contact-footer__btns { display: flex; justify-content: center; gap: 8px; max-width: 320px; margin: 0 auto; }
.contact-footer__cta, .contact-footer__btn {
  flex: 1; max-width: 88px; text-align: center; padding: 8px 4px;
  font-size: 12px; border-radius: 8px; font-weight: 700;
}
.contact-footer__cta { background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; }
.contact-footer__btn { background: #f0f0f0; border: none; cursor: pointer; }
.contact-footer__brand { text-align: center; font-size: 10px; color: var(--color-text-secondary); margin-top: 6px; }
body.has-contact-footer .zw-root .zw-fab {
  bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + var(--safe-bottom) + 8px);
  z-index: 130;
}

:focus-visible {
  outline: 3px dashed var(--color-primary);
  outline-offset: 3px;
}

@media (min-width: 768px) {
  #app-content { padding: var(--spacing-md); }
}

/* ===== P2: 方言选择 ===== */
.dialect-wrap {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap;
}
.dialect-label { font-size: var(--fs-sm); font-weight: 700; white-space: nowrap; }
.dialect-select {
  flex: 1; min-width: 140px; min-height: var(--touch-min);
  font-size: var(--fs-md); padding: 10px 12px;
  border: 2px solid var(--color-primary); border-radius: var(--radius-md);
  background: var(--color-card-bg); color: var(--color-text);
}
.keyboard-btn {
  min-width: var(--touch-min); min-height: var(--touch-min);
  font-size: 24px; border: 2px solid var(--color-primary);
  border-radius: var(--radius-md); background: var(--color-card-bg); cursor: pointer;
}

/* ===== P2: 大字虚拟键盘 ===== */
.virtual-keyboard {
  position: fixed; left: 0; right: 0;
  bottom: calc(var(--contact-footer-h) + var(--bottom-nav-h) + var(--safe-bottom));
  z-index: 980;
  background: var(--color-card-bg);
  border-top: 4px solid var(--color-primary);
  box-shadow: 0 -8px 24px rgba(0,0,0,0.12);
  padding: 8px 8px 12px;
  max-height: 55vh;
  overflow-y: auto;
}
.virtual-keyboard.hidden { display: none; }
body.keyboard-open #app-content {
  padding-bottom: calc(280px + var(--bottom-nav-h));
}
.vk-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 8px 8px; font-weight: 700;
}
.vk-title { font-size: var(--fs-md); }
.vk-close {
  min-height: 44px; padding: 8px 16px; font-size: var(--fs-sm);
  border: 2px solid var(--color-secondary); border-radius: var(--radius-md);
  background: var(--color-card-bg); cursor: pointer; font-weight: 700;
}
.vk-row { display: flex; gap: 6px; justify-content: center; margin-bottom: 6px; flex-wrap: wrap; }
.vk-key {
  min-width: 60px; min-height: 60px; flex: 1;
  max-width: calc(10% - 6px);
  font-size: var(--fs-md); font-weight: 700;
  border: 2px solid var(--color-primary); border-radius: var(--radius-md);
  background: var(--color-card-bg); color: var(--color-text); cursor: pointer;
}
.vk-key--cn { max-width: calc(10% - 6px); font-size: var(--fs-lg); }
.vk-key--wide { flex: 2; max-width: none; }
.vk-key--action { background: var(--color-primary); color: #fff; max-width: 120px; flex: 0 0 auto; }
.vk-key:active { transform: scale(0.95); background: rgba(255,123,66,0.15); }

/* ===== P2: 反诈 ===== */
.fraud-desc { font-size: var(--fs-sm); color: var(--color-text-secondary); margin-bottom: 12px; }
.toggle-row {
  display: flex; align-items: center; gap: 12px;
  min-height: var(--touch-min); font-size: var(--fs-md); font-weight: 700; cursor: pointer;
}
.toggle-row input { width: 28px; height: 28px; accent-color: var(--color-primary); }
.fraud-check-card textarea {
  width: 100%; margin: 10px 0; padding: 12px; font-size: var(--fs-md);
  border: 2px solid var(--color-primary); border-radius: var(--radius-md);
  min-height: 100px; resize: vertical;
}
.fraud-result {
  margin-top: 12px; padding: 14px; border-radius: var(--radius-md);
  font-size: var(--fs-md); font-weight: 700;
}
.fraud-result--safe { background: #E8F5E9; color: var(--color-success); }
.fraud-result--low { background: #FFF8E1; color: #F57F17; }
.fraud-result--medium { background: #FFF3E0; color: #E65100; }
.fraud-result--high { background: #FFEBEE; color: var(--color-error); }
.fraud-reasons { margin-top: 8px; padding-left: 20px; font-size: var(--fs-sm); }
.fraud-log-item { margin-bottom: 8px; }
.fraud-log-item small { color: var(--color-text-secondary); font-size: var(--fs-aux); }

body.modal-open .virtual-keyboard,
body:has(#modal-container .confirm-sheet) .virtual-keyboard {
  visibility: hidden; pointer-events: none;
}