/* Base variables, resets and layout */
:root{
  /* dark deep-orange theme */
  --bg:#1b0f0c;           /* deep charcoal-brown background */
  --muted:#bfa293;        /* warm muted tan for secondary text */
  --accent:#ff6f2e;       /* vivid deep orange */
  --accent-2:#ff9b57;     /* softer orange highlight */
  --card:#241613;         /* slightly lighter card surface */
  --glass:rgba(255,255,255,0.03);
  --shadow:0 12px 30px rgba(0,0,0,0.55);
  --soft-shadow:0 6px 18px rgba(0,0,0,0.45);
  --glass-blur:6px;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Utility / reset */
*{box-sizing:border-box}
html,body{
  height:100%;
  margin:0;
  /* dark, subtle textured gradient for depth */
  background:
    radial-gradient(600px 400px at 10% 10%, rgba(255,111,46,0.04) 0%, rgba(255,155,87,0.02) 18%, transparent 38%),
    linear-gradient(180deg,#180a08 0%, #1b0f0c 35%, #241613 100%);
  color:#f6efe9; /* light warm text */
}
body{display:flex;flex-direction:column;min-height:100vh;overflow:auto;background-color:var(--bg)}

/* Core layout pieces */
.panel{
  /* panel sizing tuned to match header adjustments so content fits on mobile */
  height:calc(100vh - 46vh - 56px);
  padding:16px;
  overflow:auto;
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  gap:12px;
}
.section{
  width:100%;
  height:100%;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)), var(--card);
  border-radius:12px;
  padding:14px;
  box-shadow:var(--shadow);
  display:none;
  flex-direction:column;
  overflow:auto;
  color:var(--muted);
}
.section.active{display:flex}
.section h2{margin:4px 0 8px 0;font-size:18px;color:#ffe9db}
.section p{color:var(--muted);font-size:14px;line-height:1.4}

/* Footer */
.footer{height:56px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted)}

/* Toast */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#1b0f0c;padding:10px 14px;border-radius:10px;display:none;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,0.45)}