:root {
  --ink: #17202a;
  --muted: #667085;
  --line: #d9e0e6;
  --paper: #ffffff;
  --mist: #f4f7f8;
  --deep: #004c54;
  --deep-2: #083b43;
  --green: #2f7d5b;
  --amber: #b7791f;
  --coral: #bd4a3b;
  --blue: #2864a4;
  --shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.topbar {
  background: var(--deep);
  color: white;
  padding: 18px 24px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(24px, 4vw, 38px);
  letter-spacing: 0;
}

.brand-subtitle {
  color: #d9eef0;
  font-size: 14px;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.26);
  padding: 8px 10px;
  border-radius: 6px;
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.grid-wide {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 18px;
  align-items: start;
}

.panel,
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 20px;
}

.card {
  padding: 16px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.compact-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.grow {
  flex: 1 1 280px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
}

h1 {
  font-size: clamp(28px, 5vw, 44px);
  color: var(--deep);
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 0;
}

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

.small {
  font-size: 13px;
}

.status {
  min-height: 22px;
  color: var(--deep);
  font-weight: 700;
}

.status.error {
  color: var(--coral);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  background: #f8fafb;
  font-size: 13px;
  color: var(--muted);
}

.pill.good {
  color: var(--green);
  border-color: rgba(47, 125, 91, 0.32);
  background: #eff8f3;
}

.pill.warn {
  color: var(--amber);
  border-color: rgba(183, 121, 31, 0.32);
  background: #fff8eb;
}

.pill.bad {
  color: var(--coral);
  border-color: rgba(189, 74, 59, 0.32);
  background: #fff2ef;
}

.confirmation {
  border: 1px solid rgba(47, 125, 91, 0.28);
  border-left: 6px solid var(--green);
  background: #f0f8f3;
  border-radius: 8px;
  padding: 16px;
}

.confirmation.subtle {
  background: #f8fafb;
  border-color: var(--line);
  border-left-color: var(--deep);
}

.confirmation-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--green);
  color: white;
  font-weight: 800;
  flex: 0 0 auto;
}

.booking-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.booking-list li {
  padding: 9px 10px;
  border: 1px solid rgba(47, 125, 91, 0.22);
  border-radius: 6px;
  background: white;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 6px;
  color: white;
  background: var(--deep);
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  color: var(--deep);
  background: #e6f2f3;
}

.button.ghost {
  color: var(--deep);
  background: transparent;
  border: 1px solid var(--line);
}

.button.green {
  background: var(--green);
}

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

.button.coral {
  background: var(--coral);
}

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

.field label,
.check label {
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #bac6d1;
  border-radius: 6px;
  padding: 10px;
  background: white;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex: 0 0 auto;
}

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 4px 0;
}

.session {
  border-left: 5px solid var(--blue);
}

.session.green {
  border-left-color: var(--green);
}

.session.orange {
  border-left-color: var(--amber);
}

.session.red {
  border-left-color: var(--coral);
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-button {
  width: 100%;
  text-align: left;
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--ink);
}

.result-button:hover {
  border-color: var(--deep);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.stat {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.stat strong {
  display: block;
  font-size: 26px;
  color: var(--deep);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.export-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
  overflow: hidden;
}

.export-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: white;
}

.export-preview pre {
  max-height: 340px;
  margin: 0;
  padding: 12px;
  overflow: auto;
  white-space: pre;
  font-size: 13px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 660px;
}

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

th {
  background: #eef4f6;
}

.hidden {
  display: none !important;
}

@media (max-width: 780px) {
  .topbar-inner,
  .grid-wide {
    display: block;
  }

  .nav {
    margin-top: 12px;
  }

  .layout {
    padding: 16px;
  }
}