:root {
  --primary: #0f6e5c;
  --primary-dark: #0a4f42;
  --bg: #f4f6f7;
  --card-bg: #ffffff;
  --border: #dde3e2;
  --text: #1f2a2a;
  --muted: #6b7876;
  --danger: #c0392b;
  --ok: #1e8e5a;
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
h1, h2, h3 { margin: 0 0 8px; }
.muted { color: var(--muted); }
.center { text-align: center; }

.center-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 28px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.login-card { width: 380px; max-width: 100%; }
.login-card h1 { font-size: 20px; color: var(--primary-dark); }

label { display: block; margin: 12px 0 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
input, select { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
input:disabled { background: #f0f2f1; color: var(--muted); }

.btn { padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 14px; }
.btn:hover { background: #f0f2f1; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #fdecea; }
.btn.small { padding: 5px 9px; font-size: 12px; }
.btn.full { width: 100%; margin-top: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.error-text { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }

.app-shell { display: flex; flex-direction: column; min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; background: var(--primary-dark); color: #fff; padding: 10px 20px; }
.brand { font-weight: 600; }
.topbar nav { display: flex; gap: 8px; }
.navbtn { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.navbtn.active, .navbtn:hover { background: rgba(255,255,255,0.15); }
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 13px; }

.content { padding: 24px; flex: 1; }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.panel-header .actions { display: flex; gap: 8px; }
.panel-header input { width: 220px; }

.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; }
.data-table th { background: #eef2f1; color: var(--muted); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.badge { padding: 2px 8px; border-radius: 10px; background: #e5f5ee; color: var(--ok); font-size: 12px; }
.badge.danger { background: #fdecea; color: var(--danger); }

.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 12px; }
.module-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px 14px; text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 6px; }
.module-card:hover:not(.disabled) { border-color: var(--primary); }
.module-card.disabled { opacity: 0.55; cursor: not-allowed; }
.module-card small { color: var(--muted); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: #fff; border-radius: 10px; padding: 22px 26px; width: 420px; max-width: 92vw; max-height: 88vh; overflow: auto; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.scroll-box { max-height: 300px; overflow: auto; }
.mini-card { border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; margin-bottom: 8px; }

.tabs { display: flex; gap: 4px; margin: 10px 0; border-bottom: 1px solid var(--border); }
.tabbtn { background: transparent; border: none; padding: 8px 16px; cursor: pointer; font-size: 14px; border-bottom: 2px solid transparent; }
.tabbtn.active { border-bottom-color: var(--primary); color: var(--primary-dark); font-weight: 600; }
.table-scroll { overflow-x: auto; }
.data-table.small th, .data-table.small td { padding: 6px 8px; font-size: 12px; white-space: nowrap; }
.spare-row { background: #fafafa; font-style: italic; }
.report-grid { display: flex; flex-direction: column; gap: 16px; margin: 14px 0; }
.tpl-map-grid { display: grid; grid-template-columns: 1fr 90px; gap: 4px 10px; align-items: center; margin-top: 10px; }
.tpl-map-grid label { margin: 4px 0 0; }

.conn-banner { position: fixed; top: 0; left: 0; right: 0; text-align: center; padding: 0; max-height: 0; overflow: hidden; font-size: 13px; z-index: 200; transition: all 0.2s; }
.conn-banner.show { padding: 8px; max-height: 40px; }
.conn-banner.error { background: #fdecea; color: var(--danger); border-bottom: 1px solid var(--danger); }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--primary-dark); color: #fff; padding: 10px 18px; border-radius: 8px; opacity: 0; pointer-events: none; transition: all 0.2s; z-index: 100; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); }