:root {
  --bg-top: #f6ead6;
  --bg-bottom: #efe4d1;
  --paper: rgba(255, 251, 244, 0.82);
  --paper-strong: rgba(255, 248, 239, 0.94);
  --ink: #1d3440;
  --ink-soft: #53656d;
  --line: rgba(29, 52, 64, 0.12);
  --brand: #bd5e34;
  --brand-dark: #9b4924;
  --accent-sand: #ead1ac;
  --accent-ink: #d9e6ee;
  --accent-coral: #f4c4b0;
  --success: #2d7d5f;
  --warning: #b06628;
  --danger: #ae3d37;
  --shadow: 0 24px 60px rgba(38, 44, 52, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 160ms ease;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(189, 94, 52, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(58, 95, 115, 0.16), transparent 26%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(20px);
  opacity: 0.5;
}

body::before {
  width: 280px;
  height: 280px;
  right: -80px;
  top: 18%;
  background: rgba(189, 94, 52, 0.12);
}

body::after {
  width: 320px;
  height: 320px;
  left: -120px;
  bottom: 8%;
  background: rgba(39, 88, 111, 0.12);
}

.app-shell {
  max-width: 1540px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 22px;
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 251, 244, 0.72);
  border: 1px solid rgba(29, 52, 64, 0.08);
}

.hero h1 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 248, 239, 0.7);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--warning);
  box-shadow: 0 0 0 6px rgba(176, 102, 40, 0.14);
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 360px;
  gap: 20px;
  align-items: start;
}

.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(29, 52, 64, 0.08);
  background: var(--paper);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.sidebar,
.details {
  padding: 24px;
}

.workspace {
  display: grid;
  gap: 18px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.summary-card {
  padding: 20px;
}

.summary-card strong {
  display: block;
  margin: 8px 0 10px;
  font-size: 30px;
  line-height: 1.05;
  font-family: var(--font-display);
}

.summary-card p,
.summary-label,
.panel-head p,
.facts dd,
.session-note p,
.callout,
.ticket-meta,
.ticket-description,
.details-content,
small {
  color: var(--ink-soft);
}

.summary-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.accent-sand {
  background:
    linear-gradient(145deg, rgba(234, 209, 172, 0.7), rgba(255, 248, 239, 0.92));
}

.accent-ink {
  background:
    linear-gradient(145deg, rgba(217, 230, 238, 0.88), rgba(255, 248, 239, 0.92));
}

.accent-coral {
  background:
    linear-gradient(145deg, rgba(244, 196, 176, 0.75), rgba(255, 248, 239, 0.92));
}

.nav-strip {
  display: flex;
  gap: 10px;
  padding: 12px;
}

.tab-button,
.button {
  border: 0;
  border-radius: 999px;
  transition:
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition),
    color var(--transition);
  cursor: pointer;
}

.tab-button {
  padding: 14px 18px;
  font: inherit;
  color: var(--ink);
  background: transparent;
}

.tab-button:hover,
.button:hover {
  transform: translateY(-1px);
}

.tab-button.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 24px rgba(157, 75, 36, 0.24);
}

.view-stack {
  display: grid;
}

.view {
  display: none;
  padding: 24px;
}

.view.is-active {
  display: block;
}

.panel-head {
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0 0 6px;
  font-size: 24px;
  font-family: var(--font-display);
}

.panel-head p {
  margin: 0;
  line-height: 1.5;
}

.split-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(189, 94, 52, 0.42);
  box-shadow: 0 0 0 4px rgba(189, 94, 52, 0.1);
}

textarea {
  resize: vertical;
}

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

.button {
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 24px rgba(157, 75, 36, 0.18);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 248, 239, 0.95);
  border: 1px solid var(--line);
}

.button:disabled,
.tab-button:disabled {
  cursor: not-allowed;
  transform: none;
  opacity: 0.55;
}

.facts {
  display: grid;
  gap: 14px;
  margin: 0;
}

.facts div {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 248, 239, 0.7);
  border: 1px solid rgba(29, 52, 64, 0.08);
}

.facts dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.facts dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 20px 0;
}

.session-note {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 248, 239, 0.7);
}

.callout,
.ticket-item,
.details-block {
  border-radius: var(--radius-md);
  border: 1px solid rgba(29, 52, 64, 0.08);
}

.callout {
  margin-top: 16px;
  padding: 16px;
  background: rgba(255, 248, 239, 0.85);
}

.callout.is-success {
  border-color: rgba(45, 125, 95, 0.22);
  background: rgba(45, 125, 95, 0.08);
  color: var(--success);
}

.callout.is-error {
  border-color: rgba(174, 61, 55, 0.22);
  background: rgba(174, 61, 55, 0.08);
  color: var(--danger);
}

.ticket-list {
  display: grid;
  gap: 12px;
}

.ticket-item {
  width: 100%;
  padding: 16px;
  text-align: left;
  background: rgba(255, 248, 239, 0.88);
  cursor: pointer;
}

.ticket-item:hover {
  border-color: rgba(189, 94, 52, 0.22);
}

.ticket-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.ticket-topline strong {
  font-size: 18px;
}

.ticket-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 14px;
}

.ticket-description {
  margin-top: 10px;
  line-height: 1.55;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-muted {
  color: var(--ink);
  background: rgba(29, 52, 64, 0.08);
}

.badge-high {
  color: #fff;
  background: linear-gradient(135deg, #bb433c, #8d2823);
}

.badge-medium {
  color: #fff;
  background: linear-gradient(135deg, #c47a32, #9d5c1e);
}

.badge-low {
  color: #fff;
  background: linear-gradient(135deg, #3a7d67, #2d6452);
}

.details-content {
  display: grid;
  gap: 14px;
}

.details-block {
  padding: 16px;
  background: rgba(255, 248, 239, 0.82);
}

.details-block h3 {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.details-block p {
  margin: 0;
  line-height: 1.6;
}

.history-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.history-actions {
  grid-column: 1 / -1;
}

.empty-state {
  min-height: 160px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  background: rgba(255, 248, 239, 0.72);
}

.hidden {
  display: none;
}

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    flex-direction: column;
    align-items: start;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 18px 14px 28px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .nav-strip {
    flex-wrap: wrap;
  }

  .history-form {
    grid-template-columns: 1fr;
  }

  .view,
  .sidebar,
  .details {
    padding: 18px;
  }

  .split-head,
  .ticket-topline {
    flex-direction: column;
  }
}