:root {
  --bg: #0b0e14;
  --bg-elevated: #141a24;
  --bg-input: #1b2230;
  --border: #2a3342;
  --text: #e8ecf3;
  --text-muted: #8b96a8;
  --accent: #3b82f6;
  --accent-text: #ffffff;
  --chip-bg: #202838;
  --danger: #f87171;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f2f4f8;
    --bg-elevated: #ffffff;
    --bg-input: #ffffff;
    --border: #d7dce5;
    --text: #1c2330;
    --text-muted: #6b7484;
    --accent: #2563eb;
    --accent-text: #ffffff;
    --chip-bg: #e6eaf1;
    --danger: #dc2626;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- login ---------- */

#screen-login {
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 1.5rem;
}

.subtitle {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-card > .primary,
.login-card > .linklike {
  width: 100%;
  margin-bottom: 12px;
}

.linklike {
  background: transparent;
  color: var(--accent);
  text-decoration: underline;
  padding: 8px 0;
}

input[type="password"],
input[type="search"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}

input:focus {
  border-color: var(--accent);
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin-top: 12px;
}

/* ---------- buttons ---------- */

button {
  font: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  padding: 10px 14px;
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.primary {
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  padding: 12px 14px;
}

.ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.copy-btn {
  background: var(--chip-bg);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  white-space: nowrap;
  padding: 8px 12px;
}

.back-btn {
  align-self: flex-start;
  background: var(--chip-bg);
  color: var(--text);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

/* ---------- app header ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 14px) 16px 12px;
  background: var(--bg);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  padding: 0;
}

.icon-btn.is-on {
  color: var(--accent);
  border-color: var(--accent);
}

.full-width {
  width: 100%;
}

/* ---------- settings ---------- */

#settings-content {
  padding: 12px 16px calc(env(safe-area-inset-bottom, 0px) + 24px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.settings-block h2 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.passkey-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.passkey-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
}

.toggle-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.15s;
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s;
}

.toggle-row input:checked + .toggle-switch {
  background: var(--accent);
}

.toggle-row input:checked + .toggle-switch::after {
  transform: translateX(18px);
}

#search-wrap {
  padding: 0 16px 12px;
  position: sticky;
  top: calc(env(safe-area-inset-top, 0px) + 56px);
  z-index: 10;
  background: var(--bg);
  display: flex;
  gap: 8px;
  align-items: center;
}

#search-wrap input[type="search"] {
  flex: 1;
}

.sort-btn {
  flex-shrink: 0;
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.sort-btn.is-on {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- content ---------- */

#content {
  flex: 1;
  padding: 4px 16px calc(env(safe-area-inset-bottom, 0px) + 24px);
}

.hint {
  color: var(--text-muted);
  text-align: center;
  padding: 40px 0;
}

#results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.result-item:active {
  transform: scale(0.99);
}

.result-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.result-body {
  min-width: 0;
  flex: 1;
}

.result-title {
  font-weight: 600;
  margin-bottom: 4px;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.result-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.mini-chip {
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.match-highlight {
  background: transparent;
  color: var(--accent);
  font-weight: 700;
}

.result-section-header {
  position: sticky;
  top: calc(env(safe-area-inset-top, 0px) + 110px);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 10px 2px 4px;
  list-style: none;
}

.result-section-header:first-child {
  padding-top: 0;
}

/* ---------- card view ---------- */

.card-header {
  margin-bottom: 16px;
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.3rem;
  overflow-wrap: anywhere;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  display: inline-block;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
}

.fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.field-info {
  min-width: 0;
  flex: 1;
}

.field-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 3px;
  text-transform: lowercase;
}

.field-value {
  overflow-wrap: anywhere;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
}

.tags {
  margin-top: 16px;
}

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.note-block {
  margin-top: 16px;
}