/* ================= 主题变量 ================= */
:root {
  --bg: #f4f6f9;
  --bg-grad-1: #eaf0ff;
  --bg-grad-2: #f7f4ff;
  --panel: #ffffff;
  --panel-2: #f3f5f8;
  --text: #171a1f;
  --muted: #6b7280;
  --border: #e4e7ec;
  --brand: #3d6df6;
  --brand-soft: #eef3ff;
  --danger: #e0484d;
  --ok: #12a150;
  --warn: #d98a00;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow: 0 2px 4px rgba(16, 24, 40, .04), 0 12px 32px rgba(16, 24, 40, .08);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, .18);
  --radius: 14px;
  --radius-sm: 10px;
}

[data-theme="dark"] {
  --bg: #0e1116;
  --bg-grad-1: #151c2b;
  --bg-grad-2: #171425;
  --panel: #171b22;
  --panel-2: #1f242d;
  --text: #e9ecf1;
  --muted: #96a0ad;
  --border: #292f39;
  --brand: #5b86ff;
  --brand-soft: #1c2537;
  --danger: #ff6b6b;
  --ok: #35c07f;
  --warn: #e0a63c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
  --shadow: 0 2px 4px rgba(0, 0, 0, .4), 0 12px 32px rgba(0, 0, 0, .45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

html {
  /* 阻止 iOS Safari 在横屏时自动放大文字 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* 触屏去掉点击高亮，避免误触发双击缩放 */
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}

/* iOS 上按钮/链接去掉 300ms 点击延迟与双击缩放 */
button, a, .chip, .mini-btn, .icon-btn, .link-btn {
  touch-action: manipulation;
}

/* iOS 输入框去掉默认内阴影和圆角外观（不碰 range/checkbox，保留原生样式） */
input[type="text"], input[type="password"], input[type="search"],
input[type="url"], input[type="email"], input[type="number"],
textarea, select, button {
  -webkit-appearance: none;
  appearance: none;
}

/* 弹层打开时锁定背景滚动（配合 JS 使用） */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

.hidden { display: none !important; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ================= 通用控件 ================= */
.primary-btn {
  appearance: none;
  border: none;
  background: var(--brand);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: filter .15s, transform .06s;
  white-space: nowrap;
}
.primary-btn:hover { filter: brightness(1.08); }
.primary-btn:active { transform: translateY(1px); }
.primary-btn.block { width: 100%; padding: 12px; font-size: 15px; border-radius: var(--radius-sm); }
.primary-btn.danger { background: var(--danger); }

.ghost-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s;
}
.ghost-btn:hover { background: var(--panel-2); }

.icon-btn {
  appearance: none;
  background: var(--panel);
  border: 1px solid var(--border);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background .15s, border-color .15s;
  color: var(--text);
}
.icon-btn:hover { background: var(--panel-2); }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.field textarea { resize: vertical; min-height: 70px; }

.input-wrap { position: relative; display: flex; }
.input-wrap input { padding-right: 44px; }
.input-wrap .eye {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  width: 36px;
  height: 34px;
  padding: 0;
  opacity: .6;
  cursor: pointer;
}
.input-wrap .eye:hover { opacity: 1; background: transparent; }

/* ================= 锁定屏 ================= */
.lock-screen {
  min-height: 100vh;
  min-height: 100dvh; /* iOS 地址栏收放时高度不跳动 */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  padding-top: calc(24px + env(safe-area-inset-top));
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  background:
    radial-gradient(900px 500px at 15% 0%, var(--bg-grad-1), transparent 60%),
    radial-gradient(800px 500px at 85% 100%, var(--bg-grad-2), transparent 60%),
    var(--bg);
}

.lock-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px 30px 26px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: rise .35s cubic-bezier(.2, .8, .3, 1);
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.lock-badge {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 18px;
  background: var(--brand-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}
.lock-title { margin: 0 0 6px; font-size: 22px; letter-spacing: .5px; }
.lock-subtitle { margin: 0 0 24px; color: var(--muted); font-size: 13px; min-height: 20px; }
.lock-card form { text-align: left; }
.lock-hint {
  margin: 18px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  text-align: left;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
.auth-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 20px;
  margin-bottom: 8px;
}

/* ================= 主界面 ================= */
.main-screen { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  padding-top: calc(12px + env(safe-area-inset-top));
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  /* 老版 iOS 不支持 color-mix，先给纯色兜底 */
  background: var(--panel);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; }
.brand-icon { font-size: 20px; }

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 460px;
}
.search-wrap input {
  width: 100%;
  padding: 9px 13px 9px 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  outline: none;
}
.search-wrap input:focus { border-color: var(--brand); background: var(--panel); }
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  opacity: .55;
}

.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.menu-wrap { position: relative; }
.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 200px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 40;
  animation: rise .16s ease;
}
.menu-panel button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
}
.menu-panel button:hover { background: var(--panel-2); }
.menu-sep { height: 1px; background: var(--border); margin: 5px 4px; }

.chips {
  display: flex;
  gap: 8px;
  padding: 14px 20px 4px;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
  transition: all .15s;
  color: var(--muted);
}
.chip:hover { border-color: var(--brand); color: var(--text); }
.chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  font-weight: 600;
}

.content {
  flex: 1;
  padding: 12px 20px 60px;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  padding-bottom: calc(60px + env(safe-area-inset-bottom));
}
.list-meta { color: var(--muted); font-size: 12.5px; margin: 8px 2px 14px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .18s, transform .18s, border-color .18s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: color-mix(in srgb, var(--brand) 35%, var(--border)); }

.card-head { display: flex; align-items: flex-start; gap: 10px; }
.card-avatar {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  background: var(--brand);
  user-select: none;
}
.card-titles { flex: 1; min-width: 0; }
.card-title {
  font-weight: 650;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-cat { font-size: 12px; color: var(--muted); margin-top: 1px; }

.card-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
}
.card-row .val {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.card-row .val.mono { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; letter-spacing: .3px; }
.card-row .label { font-size: 11px; color: var(--muted); flex: 0 0 auto; }

.mini-btn {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 26px;
  font-size: 13px;
  opacity: .65;
  transition: opacity .15s, background .15s;
  color: var(--text);
}
.mini-btn:hover { opacity: 1; background: var(--panel); border-color: var(--border); }

.card-notes {
  font-size: 12.5px;
  color: var(--muted);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 60px;
  overflow: hidden;
}

.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px dashed var(--border);
  margin-top: auto;
}
.card-time { font-size: 11.5px; color: var(--muted); margin-right: auto; }
.link-btn {
  background: transparent;
  border: none;
  color: var(--brand);
  cursor: pointer;
  font-size: 12.5px;
  padding: 4px 6px;
  border-radius: 6px;
}
.link-btn:hover { background: var(--brand-soft); }
.link-btn.danger { color: var(--danger); }
.link-btn.danger:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }

.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-emoji { font-size: 44px; margin-bottom: 12px; }

.lock-timer {
  position: fixed;
  right: calc(18px + env(safe-area-inset-right));
  bottom: calc(18px + env(safe-area-inset-bottom));
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--muted);
  z-index: 30;
}

/* ================= 弹层 ================= */
.overlay {
  position: fixed;
  inset: 0;
  height: 100vh;
  height: 100dvh;
  background: rgba(12, 16, 24, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 100;
  animation: fade .16s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.modal {
  width: 100%;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  animation: rise .22s cubic-bezier(.2, .8, .3, 1);
  margin: auto;
}
.modal h2 { margin: 0 0 4px; font-size: 18px; }
.modal .modal-sub { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.modal-foot { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-foot .spacer { margin-right: auto; }

.strength { margin-top: 8px; }
.strength-bar {
  height: 5px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.strength-fill { height: 100%; width: 0; border-radius: 999px; transition: width .2s, background .2s; }
.strength-text { font-size: 11.5px; color: var(--muted); margin-top: 5px; }

.gen-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.gen-row label { flex: 0 0 auto; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.gen-row input[type="range"] { flex: 1; accent-color: var(--brand); }
.gen-out {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: ui-monospace, Consolas, monospace;
  word-break: break-all;
  min-height: 44px;
  font-size: 14px;
}
.gen-out span { flex: 1; }
.check-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: 13px; }
.check-row label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.check-row input { accent-color: var(--brand); }

/* ================= Toast ================= */
.toast-root {
  position: fixed;
  left: 50%;
  bottom: calc(26px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  align-items: center;
  pointer-events: none;
  width: max-content;
  max-width: calc(100vw - 32px);
}
.toast {
  background: #1c222b;
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: toastIn .22s cubic-bezier(.2, .8, .3, 1);
  max-width: 80vw;
  text-align: center;
}
[data-theme="dark"] .toast { background: #eef1f6; color: #14181f; }
.toast.err { background: var(--danger); color: #fff; }
.toast.ok { background: var(--ok); color: #fff; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px) scale(.96); }
  to { opacity: 1; transform: none; }
}

/* ================= 响应式 / 移动端 ================= */
@media (max-width: 720px) {
  .topbar {
    gap: 10px;
    padding-top: calc(10px + env(safe-area-inset-top));
    padding-bottom: 10px;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .brand-name { display: none; }
  .topbar-actions { gap: 6px; }
  .search-wrap { order: 3; max-width: none; flex: 1 0 100%; }

  .content {
    padding: 12px 12px;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
    padding-bottom: calc(60px + env(safe-area-inset-bottom));
  }
  .chips {
    padding: 12px 12px 2px;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .card-grid { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 15px; }

  /* 输入框不小于 16px，否则 iOS 聚焦输入时页面会自动放大 */
  .field input, .field select, .field textarea, .search-wrap input {
    font-size: 16px;
  }
  .modal-grid { grid-template-columns: 1fr; }

  /* 触屏设备加大点击热区 */
  .mini-btn { width: 34px; height: 34px; flex: 0 0 34px; font-size: 15px; }
  .icon-btn { width: 42px; height: 42px; font-size: 17px; }
  .link-btn { padding: 8px 10px; }
  .chip { padding: 9px 16px; }
  .card-row { padding: 10px 12px; }
  .card-row .mini-btn { width: 32px; height: 32px; flex: 0 0 32px; }

  /* 弹层改为底部抽屉（iPhone 原生交互习惯） */
  .overlay { align-items: flex-end; padding: 0; }
  .modal {
    max-width: 100%;
    width: 100%;
    max-height: 88vh;
    max-height: 88dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    padding: 10px 18px 0;
    animation: sheetUp .26s cubic-bezier(.2, .8, .3, 1);
    overscroll-behavior: contain;
  }
  .modal::before {
    content: "";
    display: block;
    width: 38px;
    height: 4px;
    border-radius: 999px;
    background: var(--border);
    margin: 0 auto 14px;
  }
  .modal-foot {
    position: sticky;
    bottom: 0;
    background: var(--panel);
    margin: 16px -18px 0;
    padding: 12px 18px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
  }
  .lock-timer { font-size: 12.5px; padding: 8px 15px; }
}

@keyframes sheetUp {
  from { transform: translateY(28px); opacity: .5; }
  to { transform: none; opacity: 1; }
}