:root {
  --bg-1: #020917;
  --bg-2: #061629;
  --panel: #0c1e33;
  --panel-2: #0b1a30;
  --panel-border: #203654;
  --panel-border-soft: rgba(32, 54, 84, 0.6);
  --text: #e8f3ff;
  --muted: #9db3cf;
  --accent: #3191e0;
  --accent-2: #1c7dcc;
  --warn: #ff5050;
  --shadow: 0 16px 36px rgba(2, 9, 23, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 12% 15%, rgba(35, 85, 140, 0.35), transparent 45%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
}

.page {
  width: min(1400px, 94vw);
  margin: 28px auto 40px;
}

.screen {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hidden {
  display: none;
}

.screen-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1 {
  margin: 0;
  font-family: "Georgia", "Palatino Linotype", serif;
  font-size: 22px;
  font-weight: 700;
}

.status-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(49, 145, 224, 0.18);
  color: #cfe6ff;
  font-size: 12px;
}

.status-pill[data-tone="busy"] {
  background: rgba(255, 190, 90, 0.18);
  color: #ffe3b8;
}

.status-pill[data-tone="error"] {
  background: rgba(255, 80, 80, 0.2);
  color: #ffd5d5;
}

.status-pill[data-tone="ok"] {
  background: rgba(49, 145, 224, 0.28);
  color: #d6ebff;
}

.upload-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.upload-card.dragover {
  border-color: rgba(49, 145, 224, 0.8);
  box-shadow: 0 0 0 1px rgba(49, 145, 224, 0.3);
}

.upload-info {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.file-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.file-name {
  width: 100%;
  background: #071628;
  border: 1px solid #28466a;
  border-radius: 10px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
}

.file-name::placeholder {
  color: #6d7f9b;
}

#file-input {
  display: none;
}

.file-status {
  font-size: 12px;
  color: var(--muted);
}

.log-title {
  font-size: 13px;
  font-weight: 600;
}

.log-body {
  border-radius: 12px;
  border: 1px solid var(--panel-border-soft);
  background: #071628;
  min-height: 200px;
  padding: 10px;
  font-size: 12px;
  line-height: 1.5;
  overflow: auto;
}

.upload-actions {
  display: flex;
  gap: 10px;
}

.upload-footer {
  text-align: right;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 600;
}

.btn.ghost {
  background: rgba(49, 145, 224, 0.12);
  color: var(--text);
  border: 1px solid rgba(49, 145, 224, 0.4);
}

.btn.accent {
  background: linear-gradient(120deg, #ffd54a, #ffb300);
  color: #1a1a1a;
  font-weight: 700;
}

.btn.link {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 6px 0;
  font-size: 13px;
}

.btn.square {
  width: 36px;
  padding: 8px 0;
}

.constructor-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.constructor-title {
  font-family: "Georgia", "Palatino Linotype", serif;
  font-size: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.scheme-panel {
  min-height: 300px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 13px;
  font-weight: 600;
}

.panel-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.ghost-select {
  background: #071628;
  border: 1px solid #28466a;
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
}

.block-list {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  align-content: flex-start;
  gap: 10px;
  min-height: 220px;
}

.block-card {
  --block-pad: 5px;
  --cell-h: 22px;
  --cell-full: 130px;
  --cell-half: 65px;
  border-radius: 14px;
  border: 3px solid rgba(160, 170, 185, 0.5);
  background: #071628;
  padding: var(--block-pad);
  display: grid;
  gap: 0;
  width: calc(var(--cell-full) + (var(--block-pad) * 2));
  min-height: calc(176px + (var(--block-pad) * 2));
  box-sizing: border-box;
  cursor: pointer;
}

.block-card.selected {
  border-color: rgba(49, 145, 224, 0.85);
}

.block-card.warn {
  border-color: rgba(255, 80, 80, 0.85);
}

.block-card.warn .block-badge {
  background: rgba(255, 80, 80, 0.2);
  color: #ffb3b3;
}

.block-top {
  display: grid;
  grid-template-columns: 14px 1fr 14px;
  gap: 2px;
  align-items: center;
  width: var(--cell-full);
  height: var(--cell-h);
}

.drag-handle {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  cursor: grab;
  height: var(--cell-h);
  line-height: var(--cell-h);
}

.block-badge {
  border-radius: 8px;
  background: rgba(49, 145, 224, 0.16);
  color: var(--muted);
  font-size: 10px;
  text-align: center;
  padding: 2px 0;
  height: var(--cell-h);
  line-height: var(--cell-h);
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(2, var(--cell-half));
  gap: 0;
  width: var(--cell-full);
}

.block-row {
  display: grid;
  width: var(--cell-full);
}

.block-field,
.block-select {
  width: 100%;
  height: var(--cell-h);
  background: rgba(2, 9, 23, 0.6);
  border: 1px solid rgba(235, 242, 255, 0.22);
  color: var(--text);
  border-radius: 2px;
  padding: 2px 4px;
  font-size: 10px;
  line-height: 1;
  min-width: 0;
  box-sizing: border-box;
}

.block-field.readonly {
  background: rgba(2, 9, 23, 0.35);
  color: var(--muted);
}

.block-warn {
  font-size: 12px;
  color: #ffd0cb;
  background: rgba(255, 80, 80, 0.12);
  border: 1px solid rgba(255, 80, 80, 0.4);
  padding: 8px 10px;
  border-radius: 10px;
}

.data-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.calc-table {
  margin-top: 0;
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.q-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--muted);
}

.q-inline-input {
  background: rgba(2, 9, 23, 0.5);
  border: 1px solid rgba(255, 80, 80, 0.8);
  color: #ffb3b3;
  border-radius: 8px;
  padding: 4px 8px;
  width: 90px;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.tab {
  background: rgba(2, 9, 23, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 11px;
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  background: rgba(2, 9, 23, 0.8);
  border-color: rgba(49, 145, 224, 0.6);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th,
.data-table td {
  border: 1px solid rgba(32, 54, 84, 0.6);
  padding: 6px 8px;
}

.data-table th {
  background: rgba(2, 9, 23, 0.6);
  color: var(--muted);
  font-weight: 600;
}

.data-table td {
  background: rgba(2, 9, 23, 0.4);
}

.analysis-input {
  width: 100%;
  background: rgba(2, 9, 23, 0.6);
  border: 1px solid rgba(235, 242, 255, 0.22);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  line-height: 1.2;
  box-sizing: border-box;
}

.analysis-input:focus {
  outline: none;
  border-color: rgba(49, 145, 224, 0.7);
  box-shadow: 0 0 0 1px rgba(49, 145, 224, 0.25);
}

.metrics-box {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(2, 9, 23, 0.5);
  border: 1px solid rgba(235, 242, 255, 0.18);
  font-size: 12px;
}

.panel-note {
  font-size: 12px;
  color: var(--muted);
}

.config-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

@media (max-width: 1000px) {
  .file-row {
    grid-template-columns: 1fr;
  }

  .data-row {
    grid-template-columns: 1fr;
  }
}