/* ═══════════════════════════════════════════════════════════
   AMPS Monitoring Platform — Shared Styles
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #1a1d23;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f0f1f3;
  --accent: #2563eb;
  --accent-light: #eff6ff;
  --accent-hover: #1d4ed8;
  --green: #10b981;
  --green-light: #ecfdf5;
  --red: #ef4444;
  --red-light: #fef2f2;
  --yellow: #f59e0b;
  --yellow-light: #fffbeb;
  --blue-moving: #3b82f6;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ─── Common icons ────────────────────────────────────── */
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 24px; height: 24px; }

/* ─── Topbar (shared across admin views) ──────────────── */
.topbar {
  height: 60px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  flex-shrink: 0;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-logo { height: 28px; }
.topbar-logo img { height: 100%; width: auto; }

.topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar-notif {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  position: relative;
  color: var(--text-secondary);
}
.topbar-notif-dot {
  position: absolute; top: 7px; right: 7px;
  width: 7px; height: 7px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid var(--white);
}
.topbar-user { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.topbar-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 600;
}
.topbar-user-info { line-height: 1.2; }
.topbar-user-name { font-size: 13px; font-weight: 600; }
.topbar-user-role { font-size: 11px; color: var(--text-muted); }

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
  border: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600;
}
.badge-green { background: var(--green-light); color: var(--green); }
.badge-red { background: var(--red-light); color: var(--red); }
.badge-yellow { background: var(--yellow-light); color: var(--yellow); }
.badge-blue { background: var(--accent-light); color: var(--accent); }
.badge-purple { background: #f5f3ff; color: #8b5cf6; }

/* ─── Toast notifications ─────────────────────────────── */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 20px;
  border-radius: var(--radius);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  z-index: 9999;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
  box-shadow: var(--shadow-lg);
}
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
.toast.info { background: var(--accent); }

@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ─── Loading spinner ─────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }