* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background: #0f1420;
  color: #e6e9f0;
  direction: rtl;
}

/* ---- Login ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
.login-card {
  background: #1a2235;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  width: 340px;
}
.login-card h1 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.login-card label {
  display: block;
  margin: 0.8rem 0 0.3rem;
  font-size: 0.9rem;
  color: #a3acc2;
}
.login-card input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid #2c3850;
  background: #0f1420;
  color: #e6e9f0;
  font-size: 1rem;
}
.login-card button {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.7rem;
  border: none;
  border-radius: 6px;
  background: #3b82f6;
  color: white;
  font-size: 1rem;
  cursor: pointer;
}
.login-card button:hover { background: #2563eb; }
.error-msg { color: #f87171; margin-top: 0.8rem; font-size: 0.9rem; text-align: center; }

/* ---- Topbar ---- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: #1a2235;
  border-bottom: 1px solid #2c3850;
}
.topbar h1 { font-size: 1.2rem; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
#clock { color: #a3acc2; font-size: 0.9rem; }
#logoutBtn {
  background: #2c3850;
  color: #e6e9f0;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}
#logoutBtn:hover { background: #3b4766; }

main { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }

/* ---- Cards ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.card {
  background: #1a2235;
  border-radius: 10px;
  padding: 1.2rem;
  border: 1px solid #2c3850;
}
.card-title { color: #a3acc2; font-size: 0.85rem; margin-bottom: 0.5rem; }
.card-value { font-size: 1.8rem; font-weight: 600; }
.card-value.net-value { font-size: 1.1rem; display: flex; flex-direction: column; gap: 0.3rem; }
.card-sub { color: #a3acc2; font-size: 0.8rem; margin-top: 0.4rem; }

.gauge {
  width: 100%;
  height: 8px;
  background: #0f1420;
  border-radius: 4px;
  margin-top: 0.6rem;
  overflow: hidden;
}
.gauge-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3b82f6, #22c55e);
  transition: width 0.4s ease;
}
.gauge-fill.warn { background: linear-gradient(90deg, #eab308, #f97316); }
.gauge-fill.danger { background: linear-gradient(90deg, #f97316, #ef4444); }

/* ---- Sections ---- */
section h2 { font-size: 1.1rem; margin-bottom: 0.8rem; color: #e6e9f0; }
.raid-section, .disks-section { margin-bottom: 2rem; }
.raid-content, .disks-content {
  background: #1a2235;
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid #2c3850;
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table th, table td { padding: 0.5rem; text-align: right; border-bottom: 1px solid #2c3850; }
table th { color: #a3acc2; font-weight: 500; }

.status-ok { color: #22c55e; }
.status-warn { color: #eab308; }
.status-bad { color: #ef4444; }

/* ---- Charts ---- */
.chart-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.range-buttons { display: flex; gap: 0.5rem; }
.range-btn {
  background: #1a2235;
  color: #a3acc2;
  border: 1px solid #2c3850;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.range-btn.active, .range-btn:hover { background: #3b82f6; color: white; border-color: #3b82f6; }

.chart-box {
  background: #1a2235;
  border-radius: 10px;
  padding: 1rem;
  border: 1px solid #2c3850;
  margin-top: 1rem;
}
.chart-box h3 { margin: 0 0 0.8rem; font-size: 0.95rem; color: #a3acc2; font-weight: 500; }
.chart-box canvas { max-height: 260px; }