/* ══════════════════════════════════════════
   Corvus Nodus – Dark-Teal Enterprise Theme
   Matching vigil-corvus admin panel aesthetic
   ══════════════════════════════════════════ */

:root {
  --bg:      #0f1115;
  --card:    #161a1f;
  --card2:   #1c2127;
  --bd:      #2a2f36;
  --txt:     #e2e4e9;
  --muted:   #6b7280;
  --acc:     #0AC7C8;
  --acc-dim: rgba(10,199,200,.12);
  --success: #22c55e;
  --danger:  #ef4444;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc); text-decoration: none; }

/* ── Login / Setup Wrapper ── */

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(10,199,200,.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(10,199,200,.04) 0%, transparent 60%),
    var(--bg);
}

.login-box {
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.logo-mark {
  font-size: 2.4rem;
  color: var(--acc);
  margin-bottom: 8px;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(10,199,200,.35));
}

.login-box h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--txt);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.login-box .subtitle {
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 28px;
}

/* ── Form Elements ── */

label {
  display: block;
  text-align: left;
  font-size: .72rem;
  color: var(--acc);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
  margin-top: 16px;
  font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--bd);
  color: var(--txt);
  padding: 11px 14px;
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

input:focus {
  border-color: var(--acc);
  box-shadow: 0 0 0 3px var(--acc-dim);
}

input::placeholder {
  color: var(--muted);
  font-size: .85rem;
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border: none;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
}

.btn:active { transform: scale(.98); }

.btn-primary {
  width: 100%;
  margin-top: 24px;
  background: var(--acc);
  color: #031517;
}

.btn-primary:hover {
  background: #09b5b6;
  box-shadow: 0 4px 20px rgba(10,199,200,.25);
}

.btn-primary:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

/* ── Alerts ── */

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 12px;
  text-align: left;
}

.alert-ok {
  background: rgba(34,197,94,.12);
  color: var(--success);
  border: 1px solid rgba(34,197,94,.25);
}

.alert-err {
  background: rgba(239,68,68,.12);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.25);
}

/* ── Handshake Progress Indicator ── */

.handshake-progress {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--card2);
  border: 1px solid var(--bd);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 20px;
  text-align: left;
}

.hs-spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid var(--bd);
  border-top-color: var(--acc);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
  margin-top: 1px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hs-steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hs-step {
  font-size: .8rem;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
  transition: color .2s;
  line-height: 1.3;
}

.hs-step::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--bd);
  font-size: .7rem;
  top: 1px;
}

.hs-step.active {
  color: var(--acc);
  font-weight: 600;
}

.hs-step.active::before {
  content: '◉';
  color: var(--acc);
}

.hs-step.done {
  color: var(--success);
}

.hs-step.done::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

/* ── Footer ── */

.footer-note {
  margin-top: 24px;
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: .03em;
}

/* ── Responsive ── */

@media (max-width: 480px) {
  .login-box {
    padding: 28px 20px;
    border-radius: 12px;
  }
  .login-box h1 { font-size: 1.3rem; }
}