/* ShardoChain wallet — clean, focused UI. Reuses the main site palette. */

:root {
  --bg-base: #0a0b14;
  --bg-elevated: #11131e;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-input: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-focus: rgba(99, 102, 241, 0.6);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  --indigo: #6366f1;
  --indigo-glow: rgba(99, 102, 241, 0.5);
  --violet: #8b5cf6;
  --pink: #ec4899;
  --emerald: #10b981;
  --rose: #f43f5e;
  --amber: #f59e0b;
  --cyan: #06b6d4;
  --grad-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --grad-bg: radial-gradient(ellipse at top, rgba(99,102,241,0.15), transparent 50%),
             radial-gradient(ellipse at bottom right, rgba(236,72,153,0.1), transparent 50%);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
}

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

body {
  background: var(--bg-base);
  background-image: var(--grad-bg);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 11, 20, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 720px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--text-primary);
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
}
.brand-logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 800; color: white;
  box-shadow: 0 0 20px var(--indigo-glow);
}
.nav-link {
  color: var(--text-tertiary); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--text-primary); }
.nav-status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-tertiary);
}
.nav-status .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--emerald); box-shadow: 0 0 8px var(--emerald);
}
.nav-status.locked .dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); }

/* layout */
.shell {
  max-width: 640px; margin: 0 auto; padding: 2.5rem 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.card h1 {
  font-family: var(--font-display); font-size: 1.7rem; font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 0.6rem;
}
.card h2 {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 600;
  margin: 1.5rem 0 0.7rem;
}
.card p { color: var(--text-secondary); line-height: 1.6; margin-bottom: 1rem; }
.card p.lede { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem; border-radius: 10px;
  text-decoration: none; cursor: pointer;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent;
  transition: all 0.18s ease;
  width: 100%;
}
.btn-primary {
  background: var(--grad-primary); color: white;
  box-shadow: 0 6px 22px var(--indigo-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px var(--indigo-glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary {
  background: var(--bg-card); color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--text-tertiary); }
.btn-danger {
  background: rgba(244, 63, 94, 0.1); color: var(--rose);
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover { background: rgba(244, 63, 94, 0.18); }
.btn-row {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
}
.btn-row .btn { flex: 1 1 200px; }

/* inputs */
.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-family: var(--font-mono); font-size: 0.8rem;
  letter-spacing: 0.05em; color: var(--text-tertiary);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}
.field input, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-family: var(--font-mono); font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color 0.15s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.field textarea { min-height: 100px; resize: vertical; }
.field .hint { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.4rem; }

/* dashboard balance */
.balance-block {
  background: var(--grad-primary);
  padding: 2rem; border-radius: 14px;
  margin-bottom: 1.5rem;
  position: relative; overflow: hidden;
}
.balance-block::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.15), transparent 50%);
  pointer-events: none;
}
.balance-label {
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  opacity: 0.85; margin-bottom: 0.6rem;
}
.balance-value {
  font-family: var(--font-display); font-size: 2.4rem;
  font-weight: 700; line-height: 1.1;
  letter-spacing: -0.02em;
}
.balance-unit {
  font-size: 1rem; opacity: 0.9; font-weight: 500; margin-left: 0.4rem;
}

.address-block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; flex-wrap: wrap;
}
.address-text {
  font-family: var(--font-mono); font-size: 0.88rem;
  color: var(--text-secondary); word-break: break-all;
  flex: 1 1 auto;
}
.copy-btn {
  background: transparent; border: 1px solid var(--border-strong);
  color: var(--text-tertiary); padding: 0.4rem 0.8rem;
  font-family: var(--font-mono); font-size: 0.78rem;
  border-radius: 6px; cursor: pointer;
  transition: all 0.15s ease;
}
.copy-btn:hover { color: var(--text-primary); border-color: var(--text-tertiary); }
.copy-btn.copied { color: var(--emerald); border-color: var(--emerald); }

/* callouts */
.callout {
  padding: 1rem 1.2rem; border-radius: 10px;
  border-left: 4px solid; margin: 1rem 0;
  font-size: 0.93rem;
}
.callout.info { background: rgba(6, 182, 212, 0.08); border-color: var(--cyan); color: var(--text-secondary); }
.callout.warn { background: rgba(245, 158, 11, 0.08); border-color: var(--amber); color: var(--text-secondary); }
.callout.danger { background: rgba(244, 63, 94, 0.08); border-color: var(--rose); color: var(--text-secondary); }
.callout.success { background: rgba(16, 185, 129, 0.08); border-color: var(--emerald); color: var(--text-secondary); }
.callout strong { color: var(--text-primary); }

/* secret display block */
.secret-block {
  background: var(--bg-input); border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 1.2rem;
  font-family: var(--font-mono); font-size: 0.85rem;
  word-break: break-all; line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  user-select: all;
}

/* tx history */
.tx-list { display: flex; flex-direction: column; gap: 0.6rem; }
.tx-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.9rem 1.1rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.75rem; flex-wrap: wrap;
}
.tx-direction {
  font-family: var(--font-mono); font-size: 0.7rem;
  padding: 0.2rem 0.55rem; border-radius: 999px;
  letter-spacing: 0.08em;
}
.tx-direction.in  { background: rgba(16, 185, 129, 0.15); color: var(--emerald); }
.tx-direction.out { background: rgba(244, 63, 94, 0.15); color: var(--rose); }
.tx-amount {
  font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600;
}
.tx-counterparty {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--text-tertiary);
}
.tx-link {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--indigo); text-decoration: none;
}
.tx-link:hover { text-decoration: underline; }

/* misc */
.muted { color: var(--text-muted); font-size: 0.85rem; }
.row {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.6rem;
}
.row-label {
  font-family: var(--font-mono); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-tertiary);
}
.row-value {
  font-family: var(--font-mono); font-size: 0.95rem;
  color: var(--text-primary);
}

.hidden { display: none !important; }

/* spinner */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--text-tertiary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* tabs */
.tabs {
  display: flex; gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.tab {
  padding: 0.7rem 1.2rem;
  background: transparent; border: none; cursor: pointer;
  color: var(--text-tertiary);
  font-family: var(--font-sans); font-size: 0.92rem; font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--indigo); border-bottom-color: var(--indigo); }

footer.foot {
  padding: 1.5rem;
  text-align: center;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
footer.foot a { color: var(--text-tertiary); text-decoration: none; }
footer.foot a:hover { color: var(--text-primary); }