/* ============================================================================
   TCC unified design system — single source of truth for all web3-app pages.
   Link with: <link rel="stylesheet" href="public/tcc-theme.css">
   Pages should DELETE their own :root{} token block and conflicting base
   element styles; this file provides the canonical palette + components.
   Theme: deep dark, violet→blue gradient accent (from the wallet/index look).
   Compat aliases included so pages using older token names keep working.
   ========================================================================== */

:root {
  /* ── surfaces ── */
  --bg:            #0a0b10;
  --bg-elev:       #12141d;   /* cards / panels */
  --bg-elev-2:     #1a1d28;   /* inputs / nested / hover base */
  --bg-hover:      #20243340; /* subtle row hover */
  /* ── borders ── */
  --border:        #242838;
  --border-strong: #343a52;
  /* ── text ── */
  --text:          #f0f2f8;
  --text-dim:      #a3a9bd;
  --text-mute:     #6b7388;
  /* ── brand ── */
  --accent:        #7c5cff;
  --accent-2:      #5b8def;
  --accent-soft:   #7c5cff1a;
  --accent-grad:   linear-gradient(135deg, #7c5cff 0%, #5b8def 100%);
  /* ── status ── */
  --success:       #4ade80;
  --success-soft:  #4ade8018;
  --warn:          #fbbf24;
  --warn-soft:     #fbbf2418;
  --danger:        #f87171;
  --danger-soft:   #f8717118;
  --info:          #5b8def;
  /* ── shape / motion ── */
  --radius:        14px;
  --radius-sm:     9px;
  --radius-pill:   999px;
  --shadow:        0 8px 30px -12px #00000099;
  --shadow-lg:     0 20px 60px -20px #000000cc;
  --ring:          0 0 0 3px var(--accent-soft);
  --ease:          200ms cubic-bezier(.2,.7,.3,1);
  --maxw:          1180px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, system-ui, sans-serif;

  /* ── compat aliases (older per-page token names) ── */
  --bg-card:       var(--bg-elev);
  --bg-input:      var(--bg-elev-2);
  --border-light:  var(--border-strong);
  --text-muted:    var(--text-dim);
  --ok:            var(--success);
  --error:         var(--danger);
  --warning:       var(--warn);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, #7c5cff14, transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, #5b8def10, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  letter-spacing: .1px;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--accent); }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 650; letter-spacing: -.2px; margin: 0 0 .5em; }
h1 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.08rem; }
p  { color: var(--text-dim); }
code, pre, .mono { font-family: var(--mono); }
::selection { background: var(--accent); color: #fff; }

/* ── layout ── */
.tcc-container, .container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.tcc-main { padding: 28px 0 80px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spread { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.muted { color: var(--text-mute); }
.dim { color: var(--text-dim); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ── top navigation (shared) ── */
.tcc-nav {
  position: sticky; top: 0; z-index: 50;
  background: #0a0b10cc;
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.tcc-nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 11px 20px;
  display: flex; align-items: center; gap: 18px;
}
.tcc-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); letter-spacing: -.3px; }
.tcc-brand .logo {
  width: 28px; height: 28px; border-radius: 9px; flex: none;
  background: var(--accent-grad); display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 14px; box-shadow: 0 4px 14px -4px var(--accent);
}
.tcc-nav-links { display: flex; gap: 4px; flex-wrap: wrap; margin-left: 6px; }
.tcc-nav-links a {
  color: var(--text-dim); padding: 7px 12px; border-radius: var(--radius-sm);
  font-size: .92rem; font-weight: 500; transition: all var(--ease);
}
.tcc-nav-links a:hover { color: var(--text); background: var(--bg-elev-2); }
.tcc-nav-links a.active { color: #fff; background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.tcc-nav-spacer { flex: 1; }
.tcc-nav-toggle { display: none; }

/* ── cards / panels ── */
.card, .panel {
  background: linear-gradient(180deg, #ffffff05, transparent 40%), var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-h { font-size: .82rem; text-transform: uppercase; letter-spacing: .8px; color: var(--text-mute); margin-bottom: 10px; font-weight: 600; }

/* stat tiles */
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .7px; color: var(--text-mute); }
.stat .value { font-size: 1.7rem; font-weight: 700; margin-top: 4px; font-family: var(--mono); letter-spacing: -.5px; }
.stat .value.grad { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ── buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: .92rem;
  padding: 10px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-elev-2); color: var(--text); cursor: pointer;
  transition: all var(--ease); white-space: nowrap; line-height: 1;
}
.btn:hover { border-color: var(--accent); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--accent-grad); border: none; color: #fff; box-shadow: 0 8px 22px -10px var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: var(--border); }
.btn.danger { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.sm { padding: 6px 11px; font-size: .84rem; }
.btn.block { width: 100%; }

/* ── forms ── */
label { display: block; font-size: .85rem; color: var(--text-dim); margin-bottom: 6px; font-weight: 500; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 13px; transition: all var(--ease);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
input::placeholder, textarea::placeholder { color: var(--text-mute); }
.field { margin-bottom: 14px; }

/* ── tables (explorer) ── */
table.tcc { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.tcc th { text-align: left; font-size: .76rem; text-transform: uppercase; letter-spacing: .6px; color: var(--text-mute); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.tcc td { padding: 11px 12px; border-bottom: 1px solid var(--border); color: var(--text-dim); }
table.tcc tbody tr { transition: background var(--ease); }
table.tcc tbody tr:hover { background: var(--bg-hover); }
table.tcc td .mono, table.tcc td.mono { color: var(--text); }

/* ── badges / pills ── */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; font-weight: 600; padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); color: var(--text-dim); }
.badge.ok { color: var(--success); background: var(--success-soft); border-color: transparent; }
.badge.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.badge.danger { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.badge.accent { color: #cdbcff; background: var(--accent-soft); border-color: transparent; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-mute); flex: none; }
.dot.ok { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-soft); }
.dot.danger { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }

/* ── misc ── */
.hash { font-family: var(--mono); font-size: .88em; color: var(--accent-2); }
.divider { height: 1px; background: var(--border); margin: 18px 0; border: 0; }
.empty { text-align: center; color: var(--text-mute); padding: 40px 20px; }
.skeleton { background: linear-gradient(90deg, var(--bg-elev-2), var(--border), var(--bg-elev-2)); background-size: 200% 100%; animation: tcc-shimmer 1.3s infinite; border-radius: 6px; }
@keyframes tcc-shimmer { to { background-position: -200% 0; } }

/* toast */
.tcc-toast { position: fixed; right: 18px; bottom: 18px; z-index: 200; background: var(--bg-elev); border: 1px solid var(--border-strong); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); padding: 12px 16px; box-shadow: var(--shadow-lg); max-width: 360px; }
.tcc-toast.ok { border-left-color: var(--success); }
.tcc-toast.err { border-left-color: var(--danger); }

/* ── responsive ── */
@media (max-width: 880px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .tcc-nav-links { display: none; width: 100%; flex-direction: column; }
  .tcc-nav-links.open { display: flex; }
  .tcc-nav-toggle { display: inline-flex; margin-left: auto; }
  .tcc-nav-inner { flex-wrap: wrap; }
  table.tcc { font-size: .82rem; }
  .card, .panel { padding: 15px; }
}

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