:root {
  --blue: #12B4E8;
  --dark: #16213e;
  --gray: #6b7280;
  --red-bg: #fdecea; --red-tx: #c0392b;
  --green-bg: #e9f7ef; --green-tx: #1e8449;
  --yellow-bg: #fef9e7; --yellow-tx: #9a7d0a;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", Roboto, sans-serif; margin: 0; background: #f7f8fa; color: var(--dark); }

/* ---- Header: top row (brand + global nav) + toolbar row (view controls) ---- */
.topbar { background: var(--blue); color: white; }
.topbar-inner {
  max-width: 1200px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.topbar h1 { font-size: 1.25rem; margin: 0; font-weight: 700; }
.topbar-nav { display: flex; align-items: center; gap: 14px; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  color: white; text-decoration: none; font-size: 1.1rem;
  background: rgba(255,255,255,0.12);
}
.icon-btn:hover { background: rgba(255,255,255,0.22); }

.toolbar {
  background: #eef6fb; border-bottom: 1px solid var(--border);
}
.toolbar-inner {
  max-width: 1200px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.toolbar-filters { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 0.85rem; }
.toolbar-filters label { display: flex; align-items: center; gap: 6px; color: var(--gray); }
.toolbar-filters input {
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 0.85rem; background: white;
}
.toolbar-filters input[type="number"] { width: 4.5em; }
.btn-solid {
  background: var(--blue); color: white; border: none; border-radius: 6px;
  padding: 7px 14px; font-weight: bold; cursor: pointer; font-size: 0.85rem;
}
.btn-solid:hover { background: #0fa0cf; }
.btn-outline {
  background: white; color: var(--blue); border: 1px solid var(--blue); border-radius: 6px;
  padding: 7px 14px; font-weight: 600; cursor: pointer; font-size: 0.85rem; white-space: nowrap;
}
.btn-outline:hover { background: #eaf8fe; }
.toolbar-filters button:disabled, .toolbar-actions button:disabled { opacity: 0.55; cursor: default; }
.toolbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.ingest-status {
  font-size: 0.75rem; padding: 3px 10px; border-radius: 10px;
  background: rgba(18,180,232,0.12); color: #0a6f95; white-space: nowrap;
}
.ingest-status.ingest-error { background: var(--red-bg); color: var(--red-tx); font-weight: bold; }
.ingest-status.ingest-running { background: var(--yellow-bg); color: var(--yellow-tx); }

/* ---- Language tumbler toggle ---- */
.lang-toggle {
  position: relative; display: inline-flex; width: 76px; height: 26px;
  background: rgba(255,255,255,0.18); border-radius: 999px; padding: 2px; flex-shrink: 0;
}
.lang-toggle .lang-toggle-slider {
  position: absolute; top: 2px; left: 2px; width: calc(50% - 2px); height: calc(100% - 4px);
  background: white; border-radius: 999px; transition: transform 0.18s ease;
}
.lang-toggle[data-lang="ru"] .lang-toggle-slider { transform: translateX(100%); }
.lang-toggle button.lang-opt {
  position: relative; z-index: 1; flex: 1; border: none; background: transparent;
  font-size: 0.7rem; font-weight: bold; cursor: pointer; border-radius: 999px; color: white; opacity: 0.85;
  transition: color 0.18s ease;
}
.lang-toggle[data-lang="uk"] button.lang-opt[data-lang="uk"],
.lang-toggle[data-lang="ru"] button.lang-opt[data-lang="ru"] { color: var(--blue); opacity: 1; }

.lang-toggle.lang-toggle-light { background: rgba(18,180,232,0.12); }
.lang-toggle.lang-toggle-light .lang-toggle-slider { background: var(--blue); }
.lang-toggle.lang-toggle-light button.lang-opt { color: var(--dark); opacity: 0.6; }
.lang-toggle.lang-toggle-light[data-lang="uk"] button.lang-opt[data-lang="uk"],
.lang-toggle.lang-toggle-light[data-lang="ru"] button.lang-opt[data-lang="ru"] { color: white; opacity: 1; }

.refresh-api-status { padding: 8px 24px; font-size: 0.85rem; }
.refresh-api-status.ok { background: var(--green-bg); color: var(--green-tx); }
.refresh-api-status.err { background: var(--red-bg); color: var(--red-tx); }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.kpi-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi { background: white; border-radius: 10px; padding: 14px; border: 1px solid var(--border); }
.kpi-value { font-size: 1.4rem; font-weight: bold; }
.kpi-label { font-size: 0.8rem; color: var(--gray); }
.kpi-health .kpi-value { color: #f39c12; }
.kpi-delta { font-size: 0.75rem; font-weight: 600; margin-top: 2px; min-height: 1em; }
.kpi-delta.up { color: var(--green-tx); }
.kpi-delta.down { color: var(--red-tx); }
.kpi-delta.flat { color: var(--gray); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 900px) { .grid-2, .kpi-row { grid-template-columns: 1fr; } }

.panel { background: white; border-radius: 10px; padding: 18px; border: 1px solid var(--border); margin-bottom: 16px; }
.panel h2 { font-size: 1rem; margin: 0 0 12px; }
.note { color: var(--gray); font-size: 0.85rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--gray); font-weight: 600; }
.table-scroll { max-height: 320px; overflow-y: auto; }
.table-scroll table { font-size: 0.8rem; }
.table-scroll thead th { position: sticky; top: 0; background: white; }

th[data-sort-key] { cursor: pointer; user-select: none; white-space: nowrap; }
th[data-sort-key]:hover { color: var(--blue); }
th[data-sort-key].sort-asc::after { content: " \25B2"; font-size: 0.7em; }
th[data-sort-key].sort-desc::after { content: " \25BC"; font-size: 0.7em; }

tr.clickable-row { cursor: pointer; }
tr.clickable-row:hover { background: #f7f8fa; }
tr.clickable-row.is-active-row { background: #eaf8fe; }
tr.clickable-row.is-active-row td:first-child { font-weight: bold; color: var(--blue); }

.table-actions { display: flex; gap: 8px; justify-content: flex-end; margin-bottom: 6px; }
.btn-mini {
  background: white; border: 1px solid var(--border); color: var(--dark);
  border-radius: 6px; padding: 4px 10px; font-size: 0.75rem; cursor: pointer;
}
.btn-mini:hover { background: #f7f8fa; border-color: var(--blue); color: var(--blue); }
.low-conf { cursor: help; }

.waste-diag {
  display: inline-block; padding: 2px 9px; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600; cursor: help; white-space: nowrap;
}
.waste-diag.diag-red { background: var(--red-bg); color: var(--red-tx); }
.waste-diag.diag-orange { background: var(--yellow-bg); color: var(--yellow-tx); }
.waste-diag.diag-gray { background: #eef0f2; color: var(--gray); }

.badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.badge {
  border-radius: 8px; padding: 10px 14px; font-size: 0.85rem; min-width: 140px;
  border: 2px solid transparent; cursor: pointer; text-align: left; font-family: inherit;
}
.badge b { display: block; font-size: 1.1rem; }
.badge.red { background: var(--red-bg); color: var(--red-tx); }
.badge.green { background: var(--green-bg); color: var(--green-tx); }
.badge.yellow { background: var(--yellow-bg); color: var(--yellow-tx); }
.badge.is-active.red { border-color: var(--red-tx); }
.badge.is-active.green { border-color: var(--green-tx); }
.badge.is-active.yellow { border-color: var(--yellow-tx); }
.badge:not(.is-active) { opacity: 0.75; }
.badge:hover { opacity: 1; }

.hidden { display: none; }
#empty-state { text-align: center; padding: 60px; color: var(--gray); }

/* ---- Settings page ---- */
.link-btn { color: white; text-decoration: none; font-size: 0.9rem; opacity: 0.9; }
.link-btn:hover { opacity: 1; text-decoration: underline; }
.settings-main { padding: 24px; max-width: 720px; margin: 0 auto; }

.settings-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.conn-indicator { display: flex; align-items: center; gap: 8px; font-weight: bold; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-ok { background: var(--green-tx); }
.dot-off { background: var(--red-tx); }

.kv-table td:first-child { color: var(--gray); width: 55%; }
.kv-table td { border-bottom: 1px solid var(--border); padding: 6px 0; font-size: 0.85rem; }

.form-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; max-width: 420px; }
.form-row label, .form-row span:first-child { color: var(--dark); font-size: 0.9rem; }
.form-row input { border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; width: 8em; font-size: 0.9rem; }

.btn-primary {
  background: var(--blue); color: white; border: none; border-radius: 6px;
  padding: 8px 16px; font-weight: bold; cursor: pointer; text-decoration: none;
  display: inline-block; font-size: 0.9rem;
}
.btn-primary:hover { opacity: 0.9; }

.save-status { margin-left: 12px; font-size: 0.85rem; }
.save-status.ok { color: var(--green-tx); }
.save-status.err { color: var(--red-tx); }

/* ---- Login page ---- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--blue) 0%, #0a6f95 100%);
}
.login-card {
  background: white; border-radius: 14px; padding: 36px 40px; width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25); text-align: center;
}
.login-icon { margin-bottom: 6px; }
.login-icon img { border-radius: 12px; }
.login-card h1 { font-size: 1.3rem; margin: 6px 0 2px; }
.login-card .note { margin: 0 0 20px; font-size: 0.8rem; }
.login-card form { text-align: left; }
.login-card label { display: block; font-size: 0.8rem; color: var(--gray); margin: 12px 0 4px; }
.login-card input {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 12px; font-size: 0.95rem;
}
.login-card input:focus { outline: none; border-color: var(--blue); }
.btn-block { width: 100%; margin-top: 18px; padding: 10px; font-size: 0.95rem; }
.login-error {
  background: var(--red-bg); color: var(--red-tx); border-radius: 8px;
  padding: 8px 12px; font-size: 0.85rem; margin-bottom: 12px;
}
.login-lang { margin-top: 18px; }