/* LIGHT */
body.light {
  --bg: #f8fafc;
  --text: #0b1220;
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --border: #e6eef6;
  --link: #0066cc;
  --shadow: 0 6px 24px rgba(2,6,23,0.04);
}

/* DARK */
body.dark {
  --bg: #0b1220;
  --text: #e6eef8;
  --sidebar-bg: #0f1724;
  --card-bg: #0b1220;
  --border: #1f2937;
  --link: #58a6ff;
  --shadow: 0 6px 24px rgba(2,6,23,0.6);
}

/* OCEAN */
body.ocean {
  --bg: #e8fbff;
  --text: #043a45;
  --sidebar-bg: #c6f1ff;
  --card-bg: #ffffff;
  --border: #aee6f7;
  --link: #007399;
  --shadow: 0 6px 20px rgba(0,100,150,0.12);
}

/* FOREST */
body.forest {
  --bg: #f3fff3;
  --text: #0f3d0f;
  --sidebar-bg: #d7f5d7;
  --card-bg: #ffffff;
  --border: #bfe6bf;
  --link: #145214;
}

/* SUNSET */
body.sunset {
  --bg: #fff3e8;
  --text: #6a2b00;
  --sidebar-bg: #ffe2c7;
  --card-bg: #ffffff;
  --border: #ffd1a8;
  --link: #993d00;
}