/* ═══ RheumaScore — Unified Clinical Theme ═══ */
:root {
  --bg: #0b1220;
  --bg2: #121b2d;
  --card: rgba(15, 23, 42, 0.82);
  --card-hover: rgba(24, 36, 58, 0.94);
  --card-active: rgba(30, 41, 59, 0.98);
  --border: rgba(148, 163, 184, 0.16);
  --border-light: rgba(148, 163, 184, 0.26);
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.10);
  --accent-glow: rgba(45, 212, 191, 0.18);
  --teal: #60a5fa;
  --teal-soft: rgba(96, 165, 250, 0.08);
  --teal-glow: rgba(96, 165, 250, 0.14);
  --green: #2dd4bf;
  --yellow: #f59e0b;
  --orange: #fb923c;
  --red: #f87171;
  --pink: #60a5fa;
  --pink-soft: rgba(96, 165, 250, 0.08);
  --text: #e5edf7;
  --text-secondary: #a6b5c9;
  --text-dim: #7b8ca3;
  --glass: rgba(11, 18, 32, 0.92);
  --serif: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.32);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; }
body {
  font-family: var(--sans);
  background: radial-gradient(circle at top, #14213d 0%, var(--bg) 52%, #09101d 100%);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
  line-height: 1.6;
}
::selection { background: rgba(45, 212, 191, 0.26); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(96,165,250,0.22); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(96,165,250,0.34); }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--sans); font-weight: 800; color: var(--text); }
h1 { font-size: 2.2rem; letter-spacing: -1px; margin-bottom: 16px; }
h2 { font-size: 1.3rem; letter-spacing: -0.5px; margin-bottom: 12px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #7dd3fc; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid rgba(96,165,250,0.7); outline-offset: 2px; }
.nav-bar { display: none !important; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: all var(--transition); margin-bottom: 16px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--shadow-sm); }
.card:hover { border-color: var(--border-light); background: var(--card-hover); }
.btn { padding: 12px 24px; border: none; border-radius: 14px; font-family: var(--sans); font-weight: 700; font-size: 0.88rem; cursor: pointer; transition: all var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--teal)); color: #06101c; box-shadow: 0 10px 28px rgba(45,212,191,0.18); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 36px rgba(45,212,191,0.22); }
.shared-footer { text-align: center; padding: 32px 24px; margin-top: 48px; border-top: 1px solid var(--border); font-size: 0.78rem; color: var(--text-dim); line-height: 1.8; border-radius: 32px 32px 0 0; background: rgba(15,23,42,0.72); }
.shared-footer a { color: var(--accent); }
select, input[type=number], input[type=text], input[type=email], textarea { background: rgba(15,23,42,0.82); border: 1px solid var(--border-light); color: var(--text); border-radius: 14px; }