:root {
  color-scheme: light;
  --bg: #f5f5f5;
  --panel: #ffffff;
  --panel-border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --accent: #07c160;
  --accent-2: #06ad56;
  --danger: #ef4444;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font: 14px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}
button, input, textarea { font: inherit; }
.hidden { display: none !important; }
.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.login-wrap {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: max(20px, env(safe-area-inset-top)) 16px max(20px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 50% 0%, rgba(7, 193, 96, 0.14), transparent 34%),
    rgba(245, 245, 245, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.login-card {
  width: min(420px, 100%);
  padding: 28px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
}
.app-dimmed {
  filter: blur(1px);
  pointer-events: none;
  user-select: none;
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.login-brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-size: 22px;
  box-shadow: 0 10px 24px rgba(7, 193, 96, 0.18);
}
.login-mini {
  color: var(--muted);
  font-size: 12px;
}
.login-title {
  margin: 2px 0 0;
  font-size: 26px;
  line-height: 1.2;
}
.muted {
  color: var(--muted);
}
.login-desc {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
}
.login-actions {
  margin-top: 14px;
}
.login-submit {
  width: 100%;
  height: 44px;
}
.login-submit:disabled {
  opacity: .68;
  cursor: wait;
}
.login-foot {
  margin-top: 12px;
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
}
.field-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
.field-label {
  font-size: 13px;
  color: #374151;
  font-weight: 600;
}
.field-help {
  margin-top: -2px;
  color: var(--muted);
  font-size: 12px;
}
.security-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.vault-panel {
  margin-bottom: 12px;
  padding: 14px;
  border-radius: 16px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
}
.vault-panel-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}
.vault-panel-desc {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}
.vault-panel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.unlock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
  font-size: 12px;
  margin-bottom: 10px;
}
.input, .textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: inherit;
  outline: none;
}
.input {
  height: 46px;
  padding: 0 14px;
}
.textarea {
  min-height: 320px;
  padding: 14px;
  resize: vertical;
}
.input:focus, .textarea:focus {
  border-color: rgba(7, 193, 96, 0.65);
  box-shadow: 0 0 0 4px rgba(7, 193, 96, 0.12);
}
.btn {
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  touch-action: manipulation;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 18px rgba(7, 193, 96, 0.16);
}
.btn.secondary {
  background: #f3f4f6;
  color: #374151;
  box-shadow: none;
}
.btn.danger {
  background: #fef2f2;
  color: #b91c1c;
  box-shadow: none;
}
.topbar {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-color: rgba(229, 231, 235, 0.9);
}
.topbar-title {
  margin: 0;
  font-size: 21px;
}
.topbar-subtitle {
  color: var(--muted);
  margin-top: 4px;
}
.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.search-wrap {
  position: relative;
  width: min(360px, 100%);
}
.clear-search {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 0;
  background: #f3f4f6;
  color: #6b7280;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  box-shadow: none;
  cursor: pointer;
}
.clear-search.show {
  display: flex;
}
.fab-new {
  display: none;
}
.fab-top {
  display: none;
}
.hidden-when-modal {
  transition: opacity .18s ease;
}
.search {
  width: 100%;
  padding-right: 38px;
}
.status-line {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 10px);
  min-width: 160px;
  max-width: min(90vw, 420px);
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.9);
  color: #fff;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  text-align: center;
  z-index: 60;
}
.status-line.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.feed {
  padding: 18px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 16px;
}
.section-title {
  margin: 0;
  font-size: 22px;
}
.section-desc {
  color: var(--muted);
  margin-top: 4px;
  font-size: 13px;
}
.note-list {
  display: grid;
  gap: 12px;
}
.group-block {
  display: grid;
  gap: 10px;
}
.group-title {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.search-highlight {
  background: #fff3bf;
  color: inherit;
  padding: 0 2px;
  border-radius: 4px;
}
.note-card {
  border: 1px solid #ececec;
  border-radius: 14px;
  background: #ffffff;
  padding: 14px 14px 12px;
  color: inherit;
}
.note-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.note-card-title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 6px;
}
.empty-feed {
  padding: 34px 20px;
  border-radius: 20px;
  border: 1px dashed rgba(148, 163, 184, 0.24);
  text-align: center;
  color: var(--muted);
}
.note-card-text {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.8;
  font-size: 15px;
  color: #1f2937;
  user-select: text;
  -webkit-user-select: text;
}
.note-card-text-wrap.collapsed {
  position: relative;
  overflow: hidden;
}
.note-card-text-wrap.collapsed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;
  background: linear-gradient(180deg, rgba(255,255,255,0), #ffffff 78%);
  pointer-events: none;
}
.note-card-text.is-empty {
  color: var(--muted);
}
.note-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.note-actions .btn {
  height: 32px;
  padding: 0 11px;
  border-radius: 10px;
  font-size: 13px;
}
.note-expand {
  margin-top: 10px;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.7);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 80;
}
.modal-card {
  width: min(860px, 100%);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 22px;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 14px;
}
.share-modal-card {
  width: min(620px, 100%);
}
.share-select {
  margin-top: 8px;
  padding: 0 14px;
  appearance: auto;
}
.share-warning {
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid #fde68a;
  border-radius: 14px;
  background: #fffbeb;
  color: #92400e;
  line-height: 1.6;
}
.share-result {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid #bbf7d0;
  border-radius: 14px;
  background: #f0fdf4;
}
.share-link-input {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}
.share-result .btn {
  justify-self: start;
}
@media (max-width: 980px) {
  .note-card-title {
    font-size: 20px;
  }
}
@media (max-width: 640px) {
  .page {
    padding: 10px;
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
  }
  .login-wrap {
    padding: max(14px, env(safe-area-inset-top)) 10px max(14px, env(safe-area-inset-bottom));
    min-height: 100dvh;
  }
  .login-card {
    width: 100%;
    padding: 20px 16px;
    border-radius: 16px;
  }
  .login-brand {
    gap: 12px;
    margin-bottom: 14px;
  }
  .login-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    font-size: 20px;
  }
  .login-title {
    font-size: 22px;
  }
  .login-desc {
    font-size: 13px;
    margin-bottom: 14px;
  }
  .input {
    height: 44px;
    border-radius: 14px;
  }
  .topbar {
    padding: 14px;
    gap: 12px;
    align-items: stretch;
    border-radius: 14px;
  }
  .topbar-title {
    font-size: 20px;
  }
  .topbar-subtitle {
    font-size: 12px;
  }
  .topbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .search-wrap {
    width: 100%;
    grid-column: 1 / -1;
  }
  .search {
    width: 100%;
    grid-column: 1 / -1;
  }
  .topbar-new-btn {
    display: none;
  }
  .topbar-actions .btn {
    width: 100%;
    padding: 0 10px;
    font-size: 14px;
  }
  .status-line {
    bottom: calc(76px + env(safe-area-inset-bottom));
    max-width: calc(100vw - 24px);
    padding: 9px 12px;
    font-size: 12px;
  }
  .feed {
    padding: 14px 12px;
    border-radius: 16px;
  }
  .section-head {
    display: block;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 18px;
  }
  .section-desc,
  .group-title,
  .note-card-meta {
    font-size: 12px;
  }
  .note-list {
    gap: 10px;
  }
  .group-block {
    gap: 8px;
  }
  .note-card {
    padding: 12px;
    border-radius: 12px;
  }
  .note-card-title {
    font-size: 18px;
    line-height: 1.35;
  }
  .note-card-detail {
    margin: 6px 0 12px;
  }
  .note-card-text {
    font-size: 14px;
    line-height: 1.72;
  }
  .note-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
  }
  .note-actions .btn,
  .note-expand {
    width: 100%;
  }
  .note-actions .btn {
    height: 34px;
    padding: 0 8px;
    font-size: 12px;
  }
  .note-expand {
    margin-top: 8px;
    height: 34px;
    font-size: 12px;
  }
  .modal-backdrop {
    padding: 0;
    align-items: end;
  }
  .modal-card {
    width: 100%;
    min-height: 88dvh;
    max-height: 100dvh;
    overflow-y: auto;
    padding: 16px 14px calc(14px + env(safe-area-inset-bottom));
    border-radius: 18px 18px 0 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
  }
  .modal-head {
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 12px;
  }
  .modal-head .section-title {
    font-size: 18px;
  }
  .textarea {
    min-height: 48dvh;
    font-size: 16px;
  }
  .modal-actions {
    position: sticky;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.98) 28%);
    padding-top: 12px;
    margin-top: 12px;
  }
  .fab-new {
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 30px;
    line-height: 1;
    z-index: 30;
    box-shadow: 0 14px 32px rgba(7, 193, 96, 0.26);
  }
  .fab-top {
    position: fixed;
    right: 20px;
    bottom: calc(84px + env(safe-area-inset-bottom));
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 20px;
    line-height: 1;
    z-index: 29;
    background: rgba(17, 24, 39, 0.92);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(17, 24, 39, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .18s ease, transform .18s ease;
  }
  .fab-top.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

.editor-spacer {
  height: 12px;
}

.decrypt-warning {
  margin-bottom: 12px;
  padding: 12px 14px;
  border: 1px solid #fbbf24;
  border-radius: 14px;
  background: #fffbeb;
  color: #92400e;
  font-weight: 600;
}

.note-card.decrypt-failed {
  border-color: #fbbf24;
  background: #fffbeb;
}

.note-card.decrypt-failed .note-card-title,
.note-card.decrypt-failed .note-card-text {
  color: #92400e;
}

.btn:disabled,
.clear-search:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.login-logout {
  width: 100%;
  margin-top: 8px;
}

.modal-obscured {
  opacity: 0 !important;
  pointer-events: none !important;
}