:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev-2: #1f2530;
  --border: #2a3140;
  --text: #e6edf3;
  --text-dim: #8b98a8;
  --accent: #4c9aff;
  --accent-hover: #357de0;
  --ok: #2ea043;
  --warn: #d29922;
  --err: #f85149;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  font-family: var(--mono);
}

.subtitle {
  margin: 0.25rem 0 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.lang-switch button {
  background: transparent;
  color: var(--text-dim);
  border: 0;
  padding: 0.4rem 0.75rem;
  font: inherit;
  cursor: pointer;
  font-size: 0.85rem;
}

.lang-switch button.active {
  background: var(--accent);
  color: white;
}

main {
  flex: 1;
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}

/* ---------- buttons / inputs ---------- */
.btn {
  display: inline-block;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  text-align: center;
}

.btn:hover:not(:disabled) { border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  font-weight: 500;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.82rem; }
.lock-btn { font-size: 0.85rem; padding: 0.4rem 0.85rem; }

.text-input {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  font: inherit;
  font-size: 0.9rem;
  width: 100%;
}
.text-input.mono { font-family: var(--mono); }
.text-input:focus { outline: none; border-color: var(--accent); }
select.text-input { cursor: pointer; }
textarea.text-input { resize: vertical; }

.field-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0.85rem 0 0.3rem;
  font-weight: 500;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
}

.form-error {
  color: var(--err);
  font-size: 0.85rem;
  min-height: 1.2rem;
  margin: 0.75rem 0 0;
}

/* ---------- lock screen ---------- */
.lock-screen { max-width: 440px; margin: 1rem auto; }

.lock-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.lock-tab {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  padding: 0.6rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
}

.lock-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.lock-panel { display: flex; flex-direction: column; }
.lock-panel .btn-primary { margin-top: 1.25rem; }

.file-pick { margin-top: 0.3rem; }
.file-pick.has-file { border-color: var(--ok); color: var(--ok); }

/* password strength meter (create panel) */
.pw-strength {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
}
.pw-bar {
  flex: 1;
  height: 5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
#pw-bar-fill {
  height: 100%;
  width: 0;
  background: var(--err);
  transition: width 0.2s ease, background 0.2s ease;
}
#pw-strength-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  min-width: 8ch;
  text-align: right;
}

/* ---------- vault toolbar ---------- */
.vault-toolbar { display: flex; gap: 0.75rem; margin-bottom: 1rem; }
.vault-toolbar .search { flex: 1; }
.vault-toolbar .btn-primary { white-space: nowrap; }

.dirty-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(210, 153, 34, 0.12);
  border: 1px solid var(--warn);
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

/* ---------- entries ---------- */
.entry {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
}

.entry-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.entry-service { font-weight: 600; }
.entry-label { color: var(--text-dim); font-size: 0.9rem; }

.entry-tags { display: flex; gap: 0.35rem; margin-left: auto; }
.tag {
  font-size: 0.72rem;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
}
.tag.env-prod { color: var(--err); border-color: var(--err); }
.tag.env-staging { color: var(--warn); border-color: var(--warn); }
.tag.env-dev { color: var(--ok); border-color: var(--ok); }

.entry-secret-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.entry-secret {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  word-break: break-all;
  user-select: none;
}
.entry-secret.revealed { user-select: all; }

.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.icon-btn.ok { color: var(--ok); border-color: var(--ok); }

.entry-notes {
  margin: 0.6rem 0 0;
  font-size: 0.83rem;
  color: var(--text-dim);
  white-space: pre-wrap;
}

.entry-foot {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.7rem;
}
.entry-meta {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--text-dim);
  align-self: center;
}

.empty-state { color: var(--text-dim); text-align: center; padding: 2rem 1rem; }

/* ---------- modal ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 1rem;
  overflow-y: auto;
  z-index: 50;
}

.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
}
.modal h2 { margin-top: 0; }

.field-row { display: flex; gap: 0.75rem; }
.field-col { flex: 1; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

/* ---------- about ---------- */
.about {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-top: 1.75rem;
}
.about summary { cursor: pointer; color: var(--text-dim); font-weight: 500; }
.about summary:hover { color: var(--text); }
.about ul { padding-left: 1.25rem; }
.about code {
  background: var(--bg);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.85em;
}
.about .danger { color: var(--err); }

footer {
  border-top: 1px solid var(--border);
  padding: 1rem 2rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-align: center;
  background: var(--bg-elev);
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
#clab-link { font-family: var(--mono); letter-spacing: 0.02em; }
#clab-link::before { content: "● "; font-size: 0.7em; vertical-align: middle; }

.hidden { display: none !important; }

@media (max-width: 600px) {
  header { padding: 1rem; flex-direction: column; align-items: stretch; }
  main { padding: 1.5rem 1rem 3rem; }
  .vault-toolbar { flex-direction: column; }
  .field-row { flex-direction: column; }
}