:root {
  --bg: #0f1220;
  --bg-card: #1a1f35;
  --bg-card-2: #222843;
  --border: #2c3354;
  --text: #e7e9f3;
  --text-dim: #9aa0bd;
  --accent: #6c8cff;
  --accent-2: #4a6bff;
  --danger: #ff6b81;
  --ok: #46d39a;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 50% -200px, #243056 0%, transparent 60%),
    var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.app { max-width: 600px; margin: 0 auto; padding: 2.25rem 1.1rem 3rem; }

.header { text-align: center; margin-bottom: 1.5rem; }
.header h1 { font-size: 1.8rem; margin: 0 0 .3rem; letter-spacing: -.02em; }
.subtitle { color: var(--text-dim); margin: 0; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 10px 40px -20px rgba(0,0,0,.6);
}

.field { display: block; margin-bottom: 1rem; }
.field-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .4rem; color: var(--text-dim); }

textarea, input, select {
  width: 100%;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .7rem .8rem;
  resize: vertical;
}
input[type="password"], input[type="text"], input[type="file"] { font-family: var(--sans); }
textarea:focus, input:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,140,255,.2);
}

.help { display: block; color: var(--text-dim); font-size: .82rem; margin-top: .3rem; font-family: var(--sans); }

button {
  font-family: var(--sans); font-size: .95rem; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  border: none; border-radius: 10px; padding: .7rem 1.2rem; cursor: pointer;
  transition: transform .05s ease, filter .15s ease;
}
button:hover { filter: brightness(1.08); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .6; cursor: default; }
button.secondary { background: var(--bg-card-2); color: var(--text); border: 1px solid var(--border); }
button.small { padding: .4rem .75rem; font-size: .82rem; }

.error {
  color: var(--danger); background: rgba(255,107,129,.1); border: 1px solid rgba(255,107,129,.3);
  border-radius: 10px; padding: .6rem .8rem; margin: 0 0 .9rem; font-size: .9rem;
}
.note {
  background: rgba(70,211,154,.08); border: 1px solid rgba(70,211,154,.25);
  border-radius: 10px; padding: .7rem .9rem; font-size: .85rem; color: var(--text);
}

/* Lock screen */
.lock h2 { margin-top: 0; }
.lock .error { margin-top: .2rem; }
.lock #unlock-btn { width: 100%; }
.lock .note { margin-top: 1rem; }

/* Import + advanced */
.import, .advanced { margin: .25rem 0 1rem; }
.import summary, .advanced summary { cursor: pointer; color: var(--accent); font-size: .9rem; user-select: none; }
.import-body { margin-top: .9rem; padding: .9rem; background: var(--bg-card-2); border: 1px solid var(--border); border-radius: 10px; }
.import-or { text-align: center; color: var(--text-dim); font-size: .8rem; margin: .2rem 0 .8rem; }
.import code { font-family: var(--mono); font-size: .85em; }
.advanced-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-top: .9rem; }
.advanced-grid .field { margin-bottom: 0; }

#add-btn { width: 100%; }

.vault-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.vault-head h2 { margin: 0; font-size: 1.2rem; }

/* Account list — Google-Authenticator style */
.acct-list { list-style: none; padding: 0; margin: 0; }
.acct {
  display: flex; align-items: center; justify-content: space-between; gap: .9rem;
  padding: .85rem .95rem; background: var(--bg-card-2);
  border: 1px solid var(--border); border-radius: 12px; margin-bottom: .65rem;
}
.acct-main { min-width: 0; }
.acct-name {
  font-size: .85rem; color: var(--text-dim); margin-bottom: .15rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 16rem;
}
.acct-code {
  font-family: var(--mono); font-size: 1.9rem; font-weight: 700;
  letter-spacing: .12em; color: var(--accent); line-height: 1.1;
}
.acct-side { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

.ring {
  width: 30px; height: 30px; border-radius: 50%;
  background: conic-gradient(var(--accent) 360deg, var(--border) 0deg);
  display: grid; place-items: center;
  font-size: .7rem; font-weight: 700; color: var(--text);
  position: relative;
}
.ring::after {
  content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--bg-card-2);
}
.ring { z-index: 0; }
.ring::before {
  content: attr(data-sec); position: absolute; inset: 0; display: grid; place-items: center;
  z-index: 1; font-size: .7rem; color: var(--text);
}

.icon-btn {
  width: 34px; height: 34px; padding: 0; font-size: 1rem;
  background: transparent; border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; display: grid; place-items: center;
}
.icon-btn:hover { filter: none; background: var(--bg-card); }
.icon-btn.danger { color: var(--danger); border-color: rgba(255,107,129,.35); }

.footer { text-align: center; color: var(--text-dim); font-size: .78rem; margin-top: 1rem; }
.footer a { color: var(--accent); }

@media (max-width: 480px) {
  .acct-code { font-size: 1.55rem; }
  .acct-name { max-width: 9rem; }
  .advanced-grid { grid-template-columns: 1fr; }
}