/* ============================================================================
   Leituras Pharmafit · theme.css
   Variaveis globais + reset + helpers comuns
   ============================================================================ */

:root{
  --bg:#07090c; --bg2:#0b0d10; --panel:#141820; --panel2:#1b2029;
  --line:#2a3140;
  --ink:#e8ecf1; --muted:#8a94a6;
  --accent:#f5a524; --accent2:#ff6a3d;
  --ok:#22c55e; --warn:#f59e0b; --err:#ef4444; --info:#38bdf8; --pro:#a855f7;
  --radius:14px;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;min-height:100dvh}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}
img{max-width:100%;display:block}

/* Botoes compartilhados */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:600;font-size:14px;transition:.2s;white-space:nowrap}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#000;box-shadow:0 4px 18px rgba(245,165,36,.25)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(245,165,36,.35)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.lg{padding:16px 28px;font-size:15px}
.btn.xl{padding:18px 36px;font-size:16px}
.btn.danger{background:var(--err);color:white}
.btn.sm{padding:8px 12px;font-size:12px;width:auto}

/* Helpers */
.muted{color:var(--muted);font-size:12px}
.hidden{display:none!important}