/* ================= Arsela ESG Platform Design System ================= */
:root {
  --navy: #0b1f3a;
  --navy-dark: #071527;
  --navy-light: #16305a;
  --canvas: #f4f6f9;
  --card: #ffffff;
  --border: #e4e8ef;
  --text-primary: #1a2333;
  --text-secondary: #5b6b82;
  --accent-blue: #2563eb;
  --accent-teal: #0d9488;
  --gradient: linear-gradient(90deg, #2563eb 0%, #0d9488 100%);
  --status-green: #16a34a;
  --status-amber: #d97706;
  --status-red: #dc2626;
  --status-grey: #94a3b8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas);
  color: var(--text-primary);
  font-family: 'Aptos', 'Segoe UI', Arial, Helvetica, sans-serif;
  font-size: 14px;
}

a { color: inherit; text-decoration: none; }

/* ---------- Layout ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 248px;
  min-width: 248px;
  background: var(--navy);
  color: #cfd8e8;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo .mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 15px;
  flex-shrink: 0;
}

.sidebar-logo .title {
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  line-height: 1.2;
}
.sidebar-logo .subtitle {
  font-size: 10.5px;
  color: #8fa2c2;
  letter-spacing: 0.03em;
}

.org-context {
  margin: 12px 14px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 12px;
}
.org-context .label { color: #8fa2c2; font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px; }
.org-context select {
  width: 100%;
  background: transparent;
  color: #fff;
  border: none;
  font-size: 12.5px;
  font-weight: 600;
  padding: 2px 0;
}
.org-context select option { color: #1a2333; }

.sidebar-nav {
  flex: 1;
  padding: 10px 10px;
}

.nav-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7f9e;
  padding: 14px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: #c3ceE0;
  margin-bottom: 2px;
  transition: background 0.15s;
}
.nav-item i { width: 16px; text-align: center; color: #8fa2c2; font-size: 13px; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active {
  background: rgba(37, 99, 235, 0.22);
  color: #fff;
  box-shadow: inset 3px 0 0 #2dd4bf;
}
.nav-item.active i { color: #5eead4; }

.sidebar-footer {
  padding: 14px 18px;
  font-size: 10.5px;
  color: #5b6f8f;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.main-area {
  margin-left: 248px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar h1 {
  font-size: 19px;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}
.topbar .breadcrumb {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.content {
  padding: 24px 28px 60px;
  flex: 1;
}

/* ---------- Cards & Grid ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title i { color: var(--accent-teal); }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.stat-card .value { font-size: 26px; font-weight: 800; color: var(--text-primary); }
.stat-card .label { font-size: 11.5px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 2px;}
.stat-card .delta { font-size: 11.5px; margin-top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary { background: #fff; color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover { background: #f8fafc; }
.btn-danger { background: #fef2f2; color: var(--status-red); border-color: #fecaca; }
.btn-sm { padding: 5px 11px; font-size: 12px; }

/* ---------- Tables ---------- */
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  white-space: nowrap;
}
table.data-table td {
  padding: 10px 10px;
  border-bottom: 1px solid #f0f2f6;
  vertical-align: top;
}
table.data-table tr:hover td { background: #fafbfd; }

/* ---------- Badges / Status ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-green { background: #dcfce7; color: #15803d; }
.badge-amber { background: #fef3c7; color: #b45309; }
.badge-red { background: #fee2e2; color: #b91c1c; }
.badge-grey { background: #f1f5f9; color: #475569; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-teal { background: #ccfbf1; color: #0f766e; }
.badge-navy { background: #e0e7ff; color: #3730a3; }

.pillar-env { background:#dcfce7; color:#166534; }
.pillar-social { background:#dbeafe; color:#1e40af; }
.pillar-gov { background:#ede9fe; color:#5b21b6; }

/* ---------- Forms ---------- */
label { display:block; font-size:12px; font-weight:600; color: var(--text-secondary); margin-bottom: 4px; margin-top: 12px; }
input[type=text], input[type=number], input[type=date], input[type=email], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
  color: var(--text-primary);
}
textarea { resize: vertical; min-height: 60px; }
.form-row { display:flex; gap: 16px; }
.form-row > div { flex: 1; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 16px; }
legend { font-size: 12.5px; font-weight: 700; color: var(--accent-teal); padding: 0 6px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.checkbox-row input { width: auto; }

/* ---------- Misc ---------- */
.muted { color: var(--text-secondary); }
.small { font-size: 12px; }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.tag-list { display:flex; flex-wrap:wrap; gap:6px; }
.pill { background:#f1f5f9; color:#475569; padding:3px 9px; border-radius:14px; font-size:11px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab {
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }

.escalation-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.progress-track { background: #eef1f6; border-radius: 20px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--gradient); border-radius: 20px; }

.hierarchy-tree { font-size: 13px; }
.hierarchy-tree .node { padding: 6px 10px; border-radius: 6px; margin-bottom: 2px; display:flex; align-items:center; gap:8px; }
.hierarchy-tree .node:hover { background: #f4f6f9; }
.hierarchy-tree .node a { font-weight: 600; }

.gate-list { list-style: none; padding: 0; margin: 0; display:flex; flex-direction:column; gap:8px;}
.gate-item { display:flex; align-items:center; justify-content:space-between; padding: 10px 12px; border:1px solid var(--border); border-radius:8px; }
.gate-item .gname { font-weight:600; font-size: 13px; }

.canvas-section { border-left: 3px solid var(--accent-teal); padding-left: 14px; margin-bottom: 22px; }
.canvas-section h3 { font-size: 13px; margin: 0 0 8px; color: var(--navy); }
.canvas-field { margin-bottom: 8px; font-size: 13px; }
.canvas-field .k { color: var(--text-secondary); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.02em; }
.canvas-field .v { margin-top: 2px; }

.kpi-row { display:flex; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }

@media print {
  .sidebar, .topbar { display: none; }
  .main-area { margin-left: 0; }
}