:root {
  color-scheme: light;
  --bg: #f3f6f8;
  --panel: #ffffff;
  --line: #d5e0e8;
  --text: #1f2b37;
  --muted: #64748b;
  --green: #1f7357;
  --green-soft: #e6f3ed;
  --red: #bd3c42;
  --amber: #c87b28;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 256px 1fr;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.sidebar {
  min-height: 100vh;
  padding: 24px 18px;
  background:
    radial-gradient(circle at 20% 0%, rgba(40, 132, 99, 0.24), transparent 28%),
    linear-gradient(180deg, #123f32 0%, #09291f 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.08);
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 28px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
p { color: var(--muted); }
.sidebar p { color: #b9d2ca; }

.brand-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  padding: 6px 0 12px;
}

.brand-avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(145deg, #2ca879, #1d7558);
  color: #eafff7;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-card h1 {
  color: #fff;
  font-size: 16px;
  line-height: 1.2;
}

.brand-card p {
  margin-top: 3px;
  font-size: 13px;
}

.sidebar label {
  color: #a9c8bd;
}

.server-picker {
  display: grid;
  grid-template-columns: 1fr 40px 40px;
  gap: 8px;
}

.server-picker select {
  min-height: 40px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(5, 31, 23, 0.52);
  color: #eef8f4;
}

.icon-button {
  min-width: 40px;
  min-height: 40px;
  padding: 8px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #d8f3e9;
  border-color: rgba(255, 255, 255, 0.18);
  font-size: 20px;
  line-height: 1;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-group {
  margin: 14px 10px 4px;
  color: #99b9ad;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-button {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  background: transparent;
  border-color: transparent;
  color: #edf8f4;
  text-align: left;
  font-weight: 700;
  box-shadow: none;
}

.nav-button.active {
  background: rgba(36, 127, 94, 0.9);
  border-color: rgba(95, 187, 151, 0.45);
  color: #fff;
  box-shadow: inset 3px 0 0 #64c69d;
}

.nav-button:hover,
.icon-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
}

main {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.view {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.view.active {
  display: flex;
}

.toolbar, .section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.stat-card strong {
  display: block;
  color: var(--text);
  font-size: 24px;
  line-height: 1.1;
}

.stat-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.stat-card.ok {
  border-color: #9ed7bf;
  background: #f1fbf6;
}

.stat-card.info {
  border-color: #b8cdfb;
  background: #f2f7ff;
}

.stat-card.warn {
  border-color: #f0c989;
  background: #fff8ea;
}

.stat-card.bad {
  border-color: #efb2b5;
  background: #fff3f3;
}

.validation-alerts {
  display: grid;
  gap: 10px;
}

.validation-alert {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid #efb2b5;
  border-left: 4px solid var(--danger);
  border-radius: 8px;
  background: #fff3f3;
  color: var(--text);
}

.validation-alert strong {
  color: var(--danger);
}

.validation-alert span {
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  align-items: start;
}

.filters {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 220px;
  gap: 12px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.license-filters {
  grid-template-columns: minmax(260px, 1fr) repeat(4, minmax(150px, 190px));
}

.history-filters {
  grid-template-columns: minmax(260px, 1fr) repeat(4, minmax(130px, 170px));
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.form {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: visible;
}

label {
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #cbd8e2;
  border-radius: 7px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  background: #fff;
}

textarea { resize: vertical; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.check {
  flex-direction: row;
  align-items: center;
}

.check input {
  width: auto;
}

button {
  border: 1px solid var(--green);
  border-radius: 7px;
  background: var(--green);
  color: #fff;
  padding: 10px 14px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button.ghost {
  background: #fff;
  color: #07543d;
  border-color: #cbd8e2;
}

.sidebar button.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #f4fffb;
  border-color: rgba(255, 255, 255, 0.18);
}

.sidebar button.ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

button.edit {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

button.danger {
  background: var(--red);
  border-color: var(--red);
}

button.warn {
  background: var(--amber);
  border-color: var(--amber);
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

tbody tr {
  cursor: pointer;
}

tbody tr.selected-row {
  background: #eef8f3;
}

th {
  background: #edf3f6;
  font-size: 12px;
  text-transform: uppercase;
  color: #334155;
}

.sort-button {
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
  font-weight: 900;
  text-align: left;
  text-transform: inherit;
}

.sort-button::after {
  content: "";
  display: inline-block;
  margin-left: 6px;
  color: #64748b;
}

.sort-button.active::after {
  content: "↑";
}

.sort-button.active[data-direction="desc"]::after {
  content: "↓";
}

.pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--green-soft);
  color: #07543d;
  font-weight: 800;
  font-size: 12px;
}

.pill.ok {
  background: var(--green-soft);
  color: #07543d;
}

.pill.info {
  background: #eaf2ff;
  color: #1d4ed8;
}

.pill.warn {
  background: #fff4df;
  color: #9a520c;
}

.pill.bad {
  background: #fdecec;
  color: var(--red);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.row-actions button {
  padding: 7px 9px;
  font-size: 12px;
}

.message {
  min-height: 20px;
  font-weight: 700;
  color: #d8f3e9;
}

.muted { color: var(--muted); }

.modal {
  position: fixed;
  inset: 0;
  padding: 28px;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.45);
  z-index: 10;
}

.modal.hidden {
  display: none;
}

.modal-box {
  width: min(920px, 100%);
  max-height: min(720px, calc(100vh - 56px));
  overflow: hidden;
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.22);
  display: flex;
  flex-direction: column;
}

.modal-header {
  flex: 0 0 auto;
  padding: 22px 22px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.modal-box > .section-title {
  flex: 0 0 auto;
  padding: 22px 22px 14px;
  border-bottom: 1px solid var(--line);
}

.modal-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 18px 22px;
}

.close-button {
  min-width: 40px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #edf3f6;
  color: #64748b;
  font-size: 20px;
  line-height: 1;
}

.server-settings {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1.2fr);
  gap: 18px;
  padding: 18px 22px 22px;
  overflow: auto;
}

.summary-panel {
  padding: 18px;
  align-self: start;
}

.summary-panel h3 {
  margin-bottom: 6px;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.summary-list div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f8fafc;
}

.summary-list span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.summary-list strong {
  display: block;
  overflow-wrap: anywhere;
}

.summary-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.form-modal {
  width: min(760px, 100%);
}

.confirm-modal {
  width: min(520px, 100%);
}

.confirm-modal .modal-header {
  align-items: center;
}

.confirm-modal .modal-header p {
  margin-top: 8px;
  color: var(--text);
  line-height: 1.45;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.span-2 {
  grid-column: 1 / -1;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 0;
}

.detail-item {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f8fafc;
}

.detail-item span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.detail-item strong {
  display: block;
  overflow-wrap: anywhere;
}

.modal-actions {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px 18px;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.server-list {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.server-item {
  width: 100%;
  padding: 12px;
  border-color: var(--line);
  background: #fff;
  color: var(--text);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.server-item.active {
  border-color: #79b79e;
  background: var(--green-soft);
}

.server-item span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.status-panel {
  padding: 18px;
}

@media (max-width: 1100px) {
  body { grid-template-columns: 1fr; }
  .sidebar { min-height: auto; }
  .layout { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .server-settings { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
}