/* ====== Reset & Base ===================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html, body { height: 100%; }

:root {
  --bg: #0f1221;          /* page background */
  --panel: #14172a;       /* card background */
  --elev: rgba(255,255,255,0.04); /* subtle border/line */
  --brand: #7c5cfc;       /* purple accent */
  --brand-2: #946bfe;     /* lighter accent */
  --ink: #e7e9f0;         /* high-contrast text */
  --muted: #aab0c0;       /* secondary text */
  --danger: #ff6b6b;      /* errors */
  --ok: #34d399;          /* success */
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  background: radial-gradient(1000px 600px at 15% -10%, rgba(124,92,252,0.12), transparent 45%),
              radial-gradient(800px 500px at 85% -20%, rgba(52,211,153,0.10), transparent 40%),
              var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ====== Layout =========================================================== */
.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* ====== Navbar =========================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(15,18,33,0.65);
  border-bottom: 1px solid var(--elev);
}

.nav .bar {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.2px;
}

.brand::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 12px rgba(124,92,252,0.8);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color .15s ease, background-color .15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: rgba(255,255,255,0.06);
}

/* ====== Cards & Sections ================================================ */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--elev);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.section {
  padding: 16px;
}

.section + .section {
  border-top: 1px solid var(--elev);
}

/* ====== Forms ============================================================ */
.form-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.input {
  flex: 1 1 auto;
  height: 44px;
  padding: 0 14px;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  caret-color: var(--brand);
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}

.input::placeholder { color: #8f96a8; }

.input:focus {
  outline: none;
  border-color: rgba(124,92,252,0.7);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.18);
  background: rgba(255,255,255,0.06);
}

.btn {
  height: 44px;
  padding: 0 16px;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 18px rgba(124,92,252,0.35);
  cursor: pointer;
  transition: transform .05s ease, filter .15s ease;
}

.btn:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }

/* ====== Search Results =================================================== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}

.result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--elev);
  border-radius: 12px;
  padding: 12px 14px;
  transition: background-color .15s ease, border-color .15s ease, transform .05s ease;
  cursor: pointer;
}

.result:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.10);
  transform: translateY(-1px);
}

.result .left {
  display: grid;
  gap: 4px;
}

.symbol {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.subtle {
  color: var(--muted);
  font-size: 13px;
}

/* ====== Chart Area ======================================================= */
.chart-wrap {
  height: 380px;
  padding: 12px;
}

.chart-canvas {
  width: 100%;
  height: 100%;
}

/* ====== Auth Cards ======================================================= */
.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}

.auth-card .title {
  font-weight: 700;
  margin-bottom: 12px;
}

.auth-card .field { margin: 10px 0; }

/* ====== Messages ========================================================= */
.note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.ok { color: var(--ok); }
.err { color: var(--danger); }

/* ====== Footer Debug (hide if you want) ================================= */
.debug {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* ====== Helpers ========================================================== */
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }