@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@500;600&family=Fira+Sans:wght@400;500;600;700&display=swap');

:root {
  --color-background: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-foreground: #0F172A;
  --color-muted-foreground: #64748B;
  --color-border: #E2E8F0;
  --color-primary: #F59E0B;
  --color-on-primary: #0F172A;
  --color-destructive: #DC2626;
  --color-destructive-bg: #FEF2F2;
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-ring: #F59E0B;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Fira Sans', system-ui, sans-serif;
  background: var(--color-background);
  color: var(--color-foreground);
  margin: 0;
  line-height: 1.5;
}

.mono { font-family: 'Fira Code', monospace; }

/* --- login screen: narrow, centered --- */
#login-section { max-width: 420px; margin: 15vh auto 0; padding: 0 20px; }
#login-section header { margin-bottom: 24px; }
#login-section header h1 { font-size: 1.375rem; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
#login-section header p { color: var(--color-muted-foreground); font-size: 0.9rem; margin: 4px 0 0; }

/* --- dashboard: navbar + content --- */
.navbar {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  padding: 0 20px; position: sticky; top: 0; z-index: 10;
}
.navbar .brand { font-weight: 700; font-size: 1.05rem; padding: 14px 16px 14px 0; white-space: nowrap; }
.navbar .nav-tab {
  padding: 16px 14px; font-size: 0.9rem; font-weight: 600; cursor: pointer;
  color: var(--color-muted-foreground); border-bottom: 2px solid transparent;
  margin-bottom: -1px; transition: color 150ms, border-color 150ms; white-space: nowrap;
}
.navbar .nav-tab.active { color: var(--color-foreground); border-bottom-color: var(--color-primary); }
.navbar .nav-tab:hover { color: var(--color-foreground); }
.navbar .spacer { flex: 1; }

.chain-status-pill { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: 0.82rem; white-space: nowrap; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--color-muted-foreground);
}
.status-dot.status-open {
  background: var(--color-success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-success) 18%, transparent);
}
.status-dot.status-drawing {
  background: var(--color-primary);
  animation: status-dot-pulse 1400ms ease-in-out infinite;
}
.status-dot.status-waiting { background: var(--color-muted-foreground); }
@keyframes status-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-primary) 45%, transparent); }
  50% { box-shadow: 0 0 0 5px transparent; }
}
.chain-block { color: var(--color-muted-foreground); font-size: 0.82rem; white-space: nowrap; }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#maintenance-btn.btn-stop {
  background: var(--color-destructive-bg); color: var(--color-destructive); border-color: var(--color-destructive);
}
.status-dot.status-paused { background: var(--color-destructive); }

main { max-width: 960px; margin: 0 auto; padding: 24px 20px 80px; }

.view { display: none; }
.view.active { display: block; }

h2.section-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 4px; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card .hint { color: var(--color-muted-foreground); font-size: 0.85rem; margin: 0 0 14px; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 20px; }

label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--color-muted-foreground); margin-top: 12px; margin-bottom: 6px; }
label:first-child { margin-top: 0; }

input {
  width: 100%; padding: 10px 12px; font-size: 0.95rem; font-family: inherit;
  border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-surface);
  color: var(--color-foreground); transition: border-color 150ms, box-shadow 150ms;
}
input:focus {
  outline: none; border-color: var(--color-ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-ring) 25%, transparent);
}

button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 0 18px; margin-top: 16px; width: 100%;
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  background: var(--color-primary); color: var(--color-on-primary);
  border: none; border-radius: 8px; cursor: pointer;
  transition: filter 150ms, transform 150ms;
}
button:hover { filter: brightness(0.94); }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.6; cursor: default; }
button:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }

button.secondary {
  width: auto; margin-top: 0; min-height: 36px; padding: 0 14px;
  background: var(--color-background); color: var(--color-foreground);
  border: 1px solid var(--color-border);
}

.hidden { display: none !important; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th { color: var(--color-muted-foreground); font-weight: 500; }
td.addr, td.txid { font-family: 'Fira Code', monospace; word-break: break-all; max-width: 200px; }
td.payload-cell { max-width: 360px; white-space: pre-wrap; word-break: break-word; }
.table-wrap { overflow-x: auto; }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 2px 8px;
  border-radius: 999px; background: var(--color-background); border: 1px solid var(--color-border);
}
.badge.status-open, .badge.status-confirmed, .badge.status-closed { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success); }
.badge.status-pending, .badge.status-drawing, .badge.status-paying_out, .badge.status-closing, .badge.status-broadcast {
  background: #FEF3C7; color: #92400E; border-color: #F59E0B;
}

.badge.bug-status-open { background: #FEF3C7; color: #92400E; border-color: #F59E0B; }
.badge.bug-status-read { background: var(--color-background); color: var(--color-muted-foreground); }
.badge.bug-status-resolved { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success); }

.bug-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.bug-actions button { width: auto; margin-top: 0; min-height: 30px; padding: 4px 10px; font-size: 0.78rem; }

button.reveal {
  width: auto; margin-top: 0; padding: 4px 10px; min-height: 30px; font-size: 0.78rem;
  background: var(--color-destructive-bg); color: var(--color-destructive); border: 1px solid var(--color-destructive);
}

.privkey-box {
  margin-top: 6px; padding: 8px; border-radius: 6px; font-size: 0.78rem;
  background: var(--color-destructive-bg); border: 1px solid var(--color-destructive);
  word-break: break-all; font-family: 'Fira Code', monospace; color: var(--color-foreground);
}
.warning-banner {
  background: var(--color-destructive-bg); border: 1px solid var(--color-destructive); color: var(--color-destructive);
  border-radius: 8px; padding: 10px 12px; font-size: 0.8rem; margin-bottom: 14px; font-weight: 500;
}

pre.payload {
  background: var(--color-background); border: 1px solid var(--color-border); border-radius: 6px;
  padding: 6px 8px; font-size: 0.75rem; margin: 0; white-space: pre-wrap; word-break: break-all;
}

#toast-container {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 100; width: calc(100% - 40px); max-width: 440px;
}
.toast {
  padding: 12px 14px; border-radius: 8px; font-size: 0.85rem; font-weight: 500;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  animation: toast-in 200ms ease-out;
}
.toast.success { background: var(--color-success-bg); color: var(--color-success); }
.toast.error { background: var(--color-destructive-bg); color: var(--color-destructive); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}