:root {
  color-scheme: dark;
  --bg: #0c0f18;
  --surf: #131720;
  --card: #191e2c;
  --border: #252d40;
  --border2: #2f3a52;
  --amber: #f59e0b;
  --amber2: #fbbf24;
  --blue: #3b82f6;
  --green: #10b981;
  --red: #f87171;
  --orange: #f97316;
  --text1: #f1f5f9;
  --text2: #94a3b8;
  --text3: #475569;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --sans: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --display: "Syne", ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text1);
  font-family: var(--sans);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.035) 1px, transparent 1px),
    radial-gradient(ellipse at 50% -10%, rgba(245, 158, 11, 0.14), transparent 58%);
  background-size:
    48px 48px,
    48px 48px,
    100% 680px;
  background-repeat: repeat, repeat, no-repeat;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 0;
  border-radius: 10px;
  padding: 0 16px;
  background: var(--amber);
  color: var(--bg);
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition:
    opacity 150ms ease,
    transform 120ms ease;
}

button:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.icon-button {
  width: 42px;
  padding: 0;
  font-size: 20px;
}

.topbar,
.app-shell {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 34px 24px 10px;
}

.topbar > div:first-child {
  position: relative;
  padding-left: 44px;
}

.topbar > div:first-child::before {
  content: "D";
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--amber);
  color: var(--bg);
  font-family: var(--display);
  font-size: 14px;
  font-weight: 800;
}

.topbar h1,
.section-heading h2 {
  margin: 0;
  font-family: var(--display);
  color: var(--text1);
  letter-spacing: -0.025em;
}

.topbar h1 {
  max-width: 720px;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.02;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.shift-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.shift-meta span,
.shift-meta strong {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid var(--border2);
  border-radius: 100px;
  padding: 0 13px;
  background: rgba(19, 23, 32, 0.86);
  color: var(--text2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shift-meta strong {
  color: var(--green);
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.1);
}

.app-shell {
  display: grid;
  gap: 18px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px 24px 44px;
}

.panel,
.metric-card {
  border: 1px solid var(--border2);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.panel {
  overflow: hidden;
  padding: 0;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  background: var(--surf);
}

.section-heading h2 {
  font-size: 18px;
  font-weight: 800;
}

.form-grid,
.action-grid,
.table-wrap,
.recommendation-list,
.warning-list,
.report-grid,
.leadership-report,
.report-output {
  margin: 20px;
}

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

.action-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) auto 1.8fr;
  gap: 14px;
  align-items: end;
}

.inline-actions,
.scenario-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-actions button,
.tab-button,
.scenario-button,
.ghost-button {
  min-height: 42px;
  border: 1px solid var(--border2);
  background: var(--surf);
  color: var(--text2);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tab-controls {
  display: inline-flex;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  background: rgba(12, 15, 24, 0.36);
}

.tab-button {
  min-height: 34px;
  border-color: transparent;
  padding: 0 11px;
  background: transparent;
}

.tab-button.active {
  border-color: rgba(245, 158, 11, 0.28);
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber2);
}

.scenario-button {
  border-color: rgba(245, 158, 11, 0.18);
  background: rgba(245, 158, 11, 0.08);
  color: var(--amber2);
}

.ghost-button {
  border-color: var(--border2);
  background: transparent;
  color: var(--text3);
}

.inline-actions button:hover,
.scenario-button:hover,
.ghost-button:hover {
  border-color: var(--amber);
  color: var(--text1);
}

label {
  display: grid;
  gap: 7px;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
  background: var(--surf);
  color: var(--text1);
  font-family: var(--sans);
  font-size: 14px;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}

select {
  cursor: pointer;
}

textarea {
  resize: vertical;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 116px;
  padding: 15px;
  background: var(--surf);
  border-color: var(--border);
  box-shadow: none;
}

.metric-card span {
  display: block;
  min-height: 34px;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  color: var(--text1);
  font-family: var(--display);
  font-size: clamp(27px, 3vw, 39px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surf);
}

table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}

.compact-table table {
  min-width: 720px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--text3);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

td {
  color: var(--text2);
  font-family: var(--mono);
  font-size: 12px;
}

td input,
td select {
  min-height: 36px;
  padding: 7px 9px;
  font-size: 13px;
}

.path-name-cell {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.row-action {
  width: auto;
  min-height: 36px;
  padding: 0 10px;
  background: rgba(248, 113, 113, 0.1);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.18);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.row-action:hover {
  background: rgba(248, 113, 113, 0.16);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  min-height: 26px;
  border-radius: 6px;
  padding: 0 9px;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.surplus {
  border-color: rgba(16, 185, 129, 0.22);
  background: rgba(16, 185, 129, 0.1);
  color: var(--green);
}

.deficit {
  border-color: rgba(248, 113, 113, 0.22);
  background: rgba(248, 113, 113, 0.1);
  color: var(--red);
}

.balanced {
  border-color: rgba(245, 158, 11, 0.18);
  background: rgba(245, 158, 11, 0.08);
  color: var(--amber);
}

.insights-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
}

.recommendation-list,
.warning-list {
  display: grid;
  gap: 10px;
}

.notice {
  border: 1px solid rgba(59, 130, 246, 0.16);
  border-radius: 8px;
  padding: 11px 13px;
  background: rgba(59, 130, 246, 0.07);
  color: var(--text2);
  font-size: 13px;
}

.flex-move {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.flex-move.accepted,
.flex-move.completed {
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.08);
}

.flex-move.ignored {
  border-color: rgba(248, 113, 113, 0.2);
  background: rgba(248, 113, 113, 0.08);
}

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

.flex-actions span {
  min-width: 72px;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
}

.flex-actions button {
  min-height: 30px;
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 0 9px;
  background: var(--surf);
  color: var(--text2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flex-actions button:hover {
  border-color: var(--amber);
  color: var(--text1);
}

.notice.warning {
  border-color: rgba(245, 158, 11, 0.18);
  background: rgba(245, 158, 11, 0.08);
  color: var(--amber2);
}

.notice.danger {
  border-color: rgba(248, 113, 113, 0.2);
  background: rgba(248, 113, 113, 0.1);
  color: var(--red);
}

.notice strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text1);
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: -0.01em;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.report-panel .button-row button:last-child {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
}

.report-panel .button-row button:last-child:hover {
  color: var(--text1);
  border-color: var(--amber);
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 14px;
}

.leadership-report {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
}

.leadership-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: var(--surf);
}

.leadership-card span {
  display: block;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.leadership-card strong {
  display: block;
  margin-top: 7px;
  color: var(--text1);
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: -0.02em;
}

.leadership-card p {
  margin: 8px 0 0;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.45;
}

.report-output {
  min-height: 190px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: #080b12;
  color: var(--text2);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 3;
  transform: translateY(20px);
  opacity: 0;
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--card);
  color: var(--text1);
  font-weight: 700;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media print {
  body {
    background: #fff;
    color: #111827;
  }

  body::before,
  body::after,
  .setup-panel,
  .action-panel,
  .path-panel,
  .hourly-panel,
  .insights-grid,
  .dashboard,
  .button-row,
  .toast {
    display: none !important;
  }

  .topbar,
  .app-shell {
    max-width: none;
    padding: 0;
  }

  .topbar {
    display: block;
    margin-bottom: 16px;
  }

  .topbar h1,
  .section-heading h2,
  .leadership-card strong {
    color: #111827;
  }

  .report-panel,
  .leadership-card,
  .report-output {
    border-color: #d1d5db;
    box-shadow: none;
    background: #fff;
    color: #111827;
  }

  .report-output {
    white-space: pre-wrap;
  }
}

@media (max-width: 1180px) {
  .form-grid,
  .action-grid,
  .dashboard {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar {
    padding-inline: 16px;
  }

  .topbar > div:first-child {
    padding-left: 0;
    padding-top: 42px;
  }

  .app-shell {
    padding-inline: 16px;
  }

  .shift-meta,
  .button-row {
    justify-content: flex-start;
  }

  .form-grid,
  .action-grid,
  .dashboard,
  .insights-grid,
  .report-grid,
  .leadership-report {
    grid-template-columns: 1fr;
  }

  .flex-move {
    grid-template-columns: 1fr;
  }

  .flex-actions {
    justify-content: flex-start;
  }

  .flex-actions span {
    text-align: left;
  }

  .metric-card {
    min-height: 94px;
  }
}