:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1f242c;
  --border: #30363d;
  --border-2: #444c56;
  --text: #e6edf3;
  --muted: #7d8590;
  --link: #58a6ff;
  --accent: #2ea043;
  --accent-hover: #3fb950;
  --danger: #f85149;
  --warn: #e3b341;
  --shadow: 0 6px 24px rgba(0,0,0,0.35);
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100%;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { min-height: 100vh; }

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: var(--muted);
}

/* --- Centered panels (signup / login) --- */
.center-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow);
}

.panel h1 {
  margin: 0 0 .25rem 0;
  font-size: 1.4rem;
}

.panel .sub {
  color: var(--muted);
  margin: 0 0 1.5rem 0;
  font-size: .95rem;
}

/* --- Forms --- */
label {
  display: block;
  font-size: .85rem;
  color: var(--muted);
  margin: .75rem 0 .25rem;
}

input[type=text],
input[type=password],
input[type=number],
textarea,
select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .55rem .7rem;
  font-size: .95rem;
  font-family: inherit;
}

input[type=text].mono,
input[type=password].mono,
textarea.mono,
pre.mono {
  font-family: var(--mono);
}

textarea { min-height: 80px; resize: vertical; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--link);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
}

.row > * { flex: 1; min-width: 0; }

.row.fit > * { flex: 0 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: .55rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  font-family: inherit;
  transition: background .1s;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn.secondary:hover { background: var(--border); }

.btn.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(248, 81, 73, 0.12); }

.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--panel-2); }

.btn.sm { padding: .3rem .6rem; font-size: .8rem; }

.btn.full { width: 100%; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.space { margin-top: 1rem; }

.error {
  color: var(--danger);
  font-size: .85rem;
  margin-top: .5rem;
  min-height: 1.2em;
}

.warn {
  color: var(--warn);
  font-size: .85rem;
}

/* --- Step wizard --- */
.steps {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
  font-size: .8rem;
}
.step {
  flex: 1;
  padding: .35rem .5rem;
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--muted);
  text-align: center;
  border: 1px solid var(--border);
}
.step.active { background: rgba(46, 160, 67, 0.15); color: var(--accent); border-color: var(--accent); }
.step.done   { background: rgba(46, 160, 67, 0.05); color: var(--muted); border-color: var(--border); }

/* --- Dashboard --- */
.app-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 10;
}

.app-header .brand {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.app-header .brand svg { width: 20px; height: 20px; fill: var(--accent); }

.app-header .spacer { flex: 1; }

.app-header nav button { margin-left: .25rem; }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem;
}

main h2 { margin-top: 1.5rem; font-size: 1.1rem; }

.search {
  display: flex;
  gap: .5rem;
  margin-bottom: 1rem;
}

.list {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.list .empty {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.list .item {
  display: flex;
  align-items: center;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .1s;
}
.list .item:last-child { border-bottom: 0; }
.list .item:hover { background: var(--panel-2); }

.list .item .name {
  flex: 1;
  font-family: var(--mono);
  font-size: .9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list .item .arrow { color: var(--muted); }

/* --- Secret detail --- */
.detail h1 {
  font-size: 1.2rem;
  font-family: var(--mono);
  word-break: break-all;
  margin: 0 0 .25rem;
}

.detail .bar {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.field {
  margin-top: 1rem;
}

.field .field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .25rem;
}
.field .field-head label { margin: 0; }

pre.mono, .secret-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .75rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--text);
  margin: 0;
}

.secret-box.masked { color: transparent; text-shadow: 0 0 14px rgba(230,237,243,0.8); user-select: none; }

/* --- Keypair generator panel (new-secret form) --- */
.keypair-panel {
  max-width: none;
  background: rgba(46, 160, 67, 0.06);
  border: 1px solid var(--accent);
  margin: 0 0 1.25rem;
  padding: 1.1rem 1.25rem;
  box-shadow: none;
}
.keypair-panel h2 { font-size: 1rem; }
.keypair-panel pre { margin: .5rem 0; }

/* --- QR code panel --- */
.qr-panel {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.qr-panel img {
  background: #fff;
  border-radius: 8px;
  padding: 8px;
}

.qr-panel .qr-meta {
  flex: 1;
  min-width: 220px;
  font-size: .85rem;
  color: var(--muted);
}

.qr-panel .qr-meta code {
  display: inline-block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .1rem .35rem;
  color: var(--text);
  font-family: var(--mono);
  user-select: all;
  word-break: break-all;
}

/* --- Modal --- */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  box-shadow: var(--shadow);
}
.modal h2 { margin-top: 0; }

.share-url {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem;
  font-family: var(--mono);
  font-size: .85rem;
  word-break: break-all;
  user-select: all;
  margin-top: .5rem;
}

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .6rem 1rem;
  border-radius: 8px;
  font-size: .9rem;
  box-shadow: var(--shadow);
  z-index: 200;
  max-width: 90vw;
}
.toast.bad { border-color: var(--danger); color: var(--danger); }

/* --- Tag / badge --- */
.tag {
  display: inline-block;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .1rem .5rem;
  font-size: .75rem;
  color: var(--muted);
  margin-left: .5rem;
}
.tag.good { color: var(--accent); border-color: var(--accent); background: rgba(46, 160, 67, 0.08); }

/* --- Code viewer for help/docs --- */
.docs pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .9rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
}

.docs details {
  margin: .75rem 0;
  padding: .5rem .9rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.docs details summary { cursor: pointer; }
.docs details[open] { padding-bottom: 1rem; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

@media (max-width: 520px) {
  .app-header { padding: .6rem .75rem; flex-wrap: wrap; }
  .app-header .brand span { display: none; }
  .panel { padding: 1.25rem; }
}