fairvalue-webapp/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;1,14..32,400&display=swap');

/* ── Design Tokens ───────────────────────────────────────────────────────────── */
:root {
  --bg-base:       #070711;
  --bg-elevated:   #0d0d1a;
  --bg-elevated-2: #131326;

  --glass-bg:      rgba(255,255,255,0.04);
  --glass-border:  rgba(255,255,255,0.08);
  --glass-hover:   rgba(255,255,255,0.07);

  --green:         #00e87a;
  --green-dim:     rgba(0,232,122,0.10);
  --green-glow:    0 0 24px rgba(0,232,122,0.25);

  --blue:          #4f8ef7;
  --blue-dim:      rgba(79,142,247,0.10);

  --red:           #ff4d6d;
  --red-dim:       rgba(255,77,109,0.10);

  --gold:          #f5a623;
  --gold-dim:      rgba(245,166,35,0.10);

  --text-1: #eeeef8;
  --text-2: #8888aa;
  --text-3: #505070;

  --radius:    12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ── Typography ──────────────────────────────────────────────────────────────── */
h1 { font-size: clamp(2rem,5vw,3.6rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.4rem,3vw,2.1rem); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
h4 { font-size: 0.95rem; font-weight: 600; }
p  { color: var(--text-2); line-height: 1.7; }

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.page      { min-height: calc(100vh - 68px); padding: 48px 0 80px; }

/* ── Glass Card ──────────────────────────────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  transition: var(--transition);
}
.glass:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.12);
}
.glass-flat {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-size: 0.92rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: var(--transition);
  white-space: nowrap; text-decoration: none;
  letter-spacing: -0.01em;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary {
  background: var(--green); color: #000;
  box-shadow: var(--green-glow);
}
.btn-primary:hover:not(:disabled) {
  background: #0ff894;
  box-shadow: 0 0 36px rgba(0,232,122,0.45);
  transform: translateY(-1px);
}
.btn-ghost {
  background: var(--glass-bg); color: var(--text-1);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: var(--glass-hover); }
.btn-lg { padding: 15px 34px; font-size: 1rem; border-radius: var(--radius-lg); }

/* ── Form Inputs ─────────────────────────────────────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 0.73rem; font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase; letter-spacing: 0.07em;
}
.input, select.input {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  color: var(--text-1);
  font-size: 0.9rem; font-family: inherit;
  padding: 10px 14px;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.input:focus, select.input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,232,122,0.12);
}
select.input option { background: var(--bg-elevated); }
textarea.input { resize: vertical; min-height: 80px; }

/* Range slider */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 2px;
  background: var(--bg-elevated-2); outline: none;
  margin: 4px 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--green); cursor: pointer;
  box-shadow: 0 0 10px rgba(0,232,122,0.5);
}
.range-row { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-3); }
.range-val { font-size: 0.95rem; font-weight: 700; color: var(--green); }

/* ── Metrics ─────────────────────────────────────────────────────────────────── */
.metric   { display: flex; flex-direction: column; gap: 3px; }
.metric-label {
  font-size: 0.7rem; font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase; letter-spacing: 0.07em;
}
.metric-value { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.metric-note  { font-size: 0.75rem; color: var(--text-3); }

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em;
}
.badge-green { background: var(--green-dim); color: var(--green); }
.badge-blue  { background: var(--blue-dim);  color: var(--blue);  }
.badge-red   { background: var(--red-dim);   color: var(--red);   }
.badge-gold  { background: var(--gold-dim);  color: var(--gold);  }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert {
  padding: 14px 18px; border-radius: var(--radius);
  font-size: 0.88rem; font-weight: 500;
  border-left: 3px solid;
}
.alert-success { background: var(--green-dim); border-color: var(--green); color: var(--green); }
.alert-danger  { background: var(--red-dim);   border-color: var(--red);   color: var(--red);   }
.alert-info    { background: var(--blue-dim);  border-color: var(--blue);  color: var(--blue);  }

/* ── Divider ─────────────────────────────────────────────────────────────────── */
.divider { height: 1px; background: var(--glass-border); margin: 24px 0; }

/* ── Animations ──────────────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);    }
}
@keyframes pulse-ring {
  0%,100% { box-shadow: 0 0 0 0   rgba(0,232,122,0.35); }
  50%     { box-shadow: 0 0 0 10px rgba(0,232,122,0);    }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.animate-in { animation: fadeInUp 0.45s ease forwards; }

/* ── Grid Helpers ────────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ── Spinner ─────────────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated-2); border-radius: 3px; }

/* ── Gradient Text ───────────────────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Sentiment Bar ───────────────────────────────────────────────────────────── */
.sentiment-bar-track {
  height: 7px; border-radius: 4px;
  background: var(--bg-elevated-2);
  overflow: hidden;
}
.sentiment-bar-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}