:root {
  --bg: #f2f6f7;
  --panel: #ffffff;
  --ink: #1e2a2f;
  --brand: #006d77;
  --accent: #83c5be;
  --line: #d9e3e5;
}
[data-theme="dark"] {
  --bg: #0f1720;
  --panel: #16212c;
  --ink: #e7eef2;
  --brand: #38b2ac;
  --accent: #285a5f;
  --line: #2b3a45;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(160deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 70%, #102a2d 30%) 100%);
  color: var(--ink);
}
[dir="rtl"] body { font-family: Tahoma, "Segoe UI", Arial, sans-serif; }
.topbar {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
}
.brand { font-weight: 700; color: var(--brand); }
.prefs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}
.prefs a {
  color: var(--ink);
  text-decoration: none;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 85%, var(--accent) 15%);
}
.prefs a:hover { background: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 10px; }
nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 8px;
  border-radius: 8px;
}
nav a:hover { background: var(--accent); }
.container { max-width: 1100px; margin: 20px auto; padding: 0 12px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tile { background: #f7fbfb; border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.form-row { display: flex; flex-wrap: wrap; gap: 10px; }
input, select, button {
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid #b8c8cc;
}
button {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  cursor: pointer;
}
button:hover { filter: brightness(0.95); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px; text-align: left; }
[dir="rtl"] th, [dir="rtl"] td { text-align: right; }
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
}
.login-wrap .panel { width: min(480px, 100%); }
.login-wrap form { display: grid; gap: 10px; }
label { display: grid; gap: 6px; font-size: 14px; }
@media (max-width: 800px) {
  .grid3 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}