/* ==========================================================================
   LIQUID LAB — design system
   Fond encre profonde, données en mono, deux accents : teal (liquidité,
   range, positif) et ambre (prix courant, PnL net). La bande de range
   lumineuse sur le graphe de liquidité est la signature du produit.
   ========================================================================== */

:root {
  --ink-0: #0b0f17;          /* fond page */
  --ink-1: #121826;          /* panneaux */
  --ink-2: #17203180;        /* surfaces internes */
  --line: #1e2a3a;           /* hairlines */
  --line-strong: #2a3a52;
  --text: #e7eef8;
  --text-2: #8b99ad;
  --text-3: #5c6b80;
  --teal: #2dd4bf;
  --teal-dim: rgba(45, 212, 191, 0.12);
  --amber: #f5b84d;
  --steel: #5d87c4;
  --red: #f0716e;
  --violet: #a78bfa;
  --radius: 10px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  background:
    radial-gradient(1100px 400px at 75% -160px, rgba(45, 212, 191, 0.05), transparent 60%),
    var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.925rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

h1, h2, h3, h4, .display-font { font-family: var(--font-display); letter-spacing: -0.01em; }
.mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: #6ee7d8; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; border-radius: 4px; }

/* --------------------------------- Navbar -------------------------------- */

.lab-nav {
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0;
}
.lab-nav .navbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text);
  font-size: 1rem;
}
.lab-nav .navbar-brand span { color: var(--teal); }
.lab-nav .nav-links a {
  color: var(--text-2);
  margin-left: 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lab-nav .nav-links a:hover, .lab-nav .nav-links a.active { color: var(--text); }

.lab-footer {
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 0.78rem;
  padding: 1.1rem 0;
  margin-top: 3rem;
}

/* --------------------------------- Panneaux ------------------------------ */

.panel {
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1.25rem;
}
.panel-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.panel-title .title-tools { display: flex; gap: 0.5rem; align-items: center; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ------------------------------ Cards de pool ---------------------------- */

.pool-card {
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.pool-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.pool-card .pair {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}
.pool-card .price-line { font-family: var(--font-mono); font-size: 1.05rem; }
.pool-card .price-line small { color: var(--text-3); font-size: 0.72rem; display: block; }
.pool-card .meta { color: var(--text-3); font-size: 0.78rem; font-family: var(--font-mono); }

/* --------------------------------- Badges -------------------------------- */

.badge-chain, .badge-fee, .chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border-radius: 5px;
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  background: transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.badge-fee { color: var(--teal); border-color: rgba(45, 212, 191, 0.35); }

.chip-ok    { color: var(--teal);  border-color: rgba(45,212,191,.4); }
.chip-warn  { color: var(--amber); border-color: rgba(245,184,77,.4); }
.chip-error { color: var(--red);   border-color: rgba(240,113,110,.4); }
.chip-off   { color: var(--text-3); }

.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal); display: inline-block;
  box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.45); }
  70% { box-shadow: 0 0 0 7px rgba(45, 212, 191, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); }
}

/* ------------------------------ Tête du simulateur ----------------------- */

.sim-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.sim-head .pair-title { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.sim-head .addr { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3); }
.price-box { text-align: right; }
.price-box .big-price {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1.1;
  transition: color 0.4s ease;
}
.price-box .big-price.flash { color: var(--amber); }
.price-box .sub { color: var(--text-3); font-size: 0.75rem; }

/* --------------------------------- Stats --------------------------------- */

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.stat {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
}
.stat .k {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.2rem;
}
.stat .v { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 600; }
.stat .v.pos { color: var(--teal); }
.stat .v.neg { color: var(--red); }
.stat .s { font-size: 0.72rem; color: var(--text-3); font-family: var(--font-mono); }

.split-bar {
  height: 8px; border-radius: 4px; overflow: hidden;
  display: flex; background: var(--ink-2); border: 1px solid var(--line);
}
.split-bar .a { background: var(--steel); }
.split-bar .b { background: var(--teal); }

.kv { display: flex; justify-content: space-between; padding: 0.32rem 0; font-size: 0.85rem; border-bottom: 1px dashed var(--line); }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--text-2); }
.kv .v { font-family: var(--font-mono); }

/* ------------------------------- Formulaires ----------------------------- */

.form-label { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.form-control, .form-select {
  background: var(--ink-0);
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.form-control:focus, .form-select:focus {
  background: var(--ink-0);
  border-color: var(--teal);
  box-shadow: 0 0 0 0.2rem rgba(45, 212, 191, 0.12);
  color: var(--text);
}
.input-group-text {
  background: var(--ink-2); border: 1px solid var(--line-strong);
  color: var(--text-3); font-family: var(--font-mono); font-size: 0.85rem;
}
.form-range::-webkit-slider-thumb { background: var(--teal); }
.form-range::-moz-range-thumb { background: var(--teal); }

.btn-lab {
  background: var(--teal);
  border: none;
  color: #06251f;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.btn-lab:hover { background: #46e0cc; color: #06251f; }
.btn-lab:disabled { background: #1f4a44; color: #6aa79d; }
.btn-ghost {
  background: transparent; border: 1px solid var(--line-strong);
  color: var(--text-2); font-size: 0.78rem;
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

.sim-error {
  border: 1px solid rgba(240, 113, 110, 0.4);
  background: rgba(240, 113, 110, 0.08);
  color: #f3a5a3;
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  margin-top: 0.8rem;
}

/* --------------------------------- Tables -------------------------------- */

.table-lab { --bs-table-bg: transparent; color: var(--text); font-size: 0.84rem; margin-bottom: 0; }
.table-lab th {
  color: var(--text-3);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-strong) !important;
  font-weight: 600;
}
.table-lab td { border-color: var(--line); vertical-align: middle; font-family: var(--font-mono); font-size: 0.8rem; }
.table-lab tr:hover td { background: rgba(255, 255, 255, 0.015); }

/* --------------------------------- Charts -------------------------------- */

.chart-wrap { position: relative; }
.chart-wrap canvas { max-width: 100%; }
.chart-caption { color: var(--text-3); font-size: 0.72rem; font-family: var(--font-mono); margin-top: 0.5rem; }
.legend-inline { display: flex; gap: 1rem; font-size: 0.72rem; color: var(--text-2); font-family: var(--font-mono); flex-wrap: wrap; }
.legend-inline .sw { width: 10px; height: 10px; border-radius: 2px; display: inline-block; margin-right: 4px; vertical-align: -1px; }

/* --------------------------------- Toasts -------------------------------- */

.toast-zone { position: fixed; right: 1rem; bottom: 1rem; z-index: 1080; display: flex; flex-direction: column; gap: 0.5rem; }
.toast-lab {
  background: var(--ink-1); border: 1px solid var(--teal);
  color: var(--text); border-radius: 8px; padding: 0.6rem 0.9rem;
  font-size: 0.82rem; min-width: 240px; box-shadow: 0 6px 24px rgba(0,0,0,.4);
}
.toast-lab.err { border-color: var(--red); }

/* --------------------------------- Divers -------------------------------- */

.hero { padding: 2.4rem 0 1.6rem; }
.hero h1 { font-size: 2.2rem; font-weight: 700; margin: 0.4rem 0 0.6rem; }
.hero p { color: var(--text-2); max-width: 620px; }

.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-2);
}

.warn-banner {
  border: 1px solid rgba(245, 184, 77, 0.45);
  background: rgba(245, 184, 77, 0.07);
  color: #f0cd8e;
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: 0.82rem;
  margin-bottom: 1.2rem;
}

.login-wrap { max-width: 380px; margin: 9vh auto 0; }

@media (max-width: 576px) {
  .sim-head .pair-title { font-size: 1.4rem; }
  .price-box .big-price { font-size: 1.4rem; }
  .stat-grid { grid-template-columns: 1fr; }
}