@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root {
  --primary: #d70e55;
  --bg-main: #131313;
  --bg-sidebar: #1d95d4;
  --bg-panel: #1f3a56;
  --text-main: #f2f2f2;
  --text-muted: #c7c7c7;
  --line: #2b2b2b;
  --sidebar-width: clamp(260px, 28vw, 340px);
  --pad-x: clamp(18px, 3.6vw, 52px);
  --pad-y: clamp(20px, 3.6vw, 42px);
  --fs-nav: clamp(14px, 1.4vw, 16px);
  --fs-label: clamp(20px, 2.2vw, 28px);
  --fs-select: clamp(18px, 2.2vw, 30px);
  --fs-h1: clamp(34px, 4.2vw, 64px);
  --fs-h2: clamp(28px, 3.6vw, 46px);
  --fs-h3: clamp(22px, 2.6vw, 32px);
  --fs-p: clamp(18px, 2.4vw, 30px);
  --fs-table: clamp(18px, 2.4vw, 31px);
  --fs-muted: clamp(16px, 2vw, 24px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  overflow-x: hidden;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  position: relative;
}

.app-shell.drawer-open {
  overflow: hidden;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 1fr;
}

.app-shell.sidebar-collapsed .sidebar {
  display: none;
}

.app-shell.sidebar-collapsed .sidebar-open {
  display: inline-flex;
  align-items: center;
}

.sidebar {
  background: var(--bg-sidebar);
  padding: 18px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-close {
  display: block;
  margin-left: auto;
  border: 0;
  background: transparent;
  color: #e2f5ff;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.sidebar-open {
  display: none;
  margin-bottom: 18px;
  border: 0;
  background: #1d95d4;
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  width: 42px;
  height: 38px;
  padding: 0;
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.sidebar-open span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 10;
}

.sidebar-logo {
  display: block;
  background: #0c0c0c;
  padding: 16px;
  margin-top: 54px;
}

.sidebar-logo img {
  display: block;
  width: 100%;
}

.sidebar-tag {
  text-align: center;
  margin: 18px 0 4px;
  color: #e2f5ff;
  font-size: 30px;
  letter-spacing: 0.4px;
}

.sidebar-nav {
  margin-top: 24px;
  border-radius: 8px;
  background: #111;
  padding: 16px;
}

.nav-btn {
  width: 100%;
  display: block;
  border: 0;
  background: transparent;
  color: #f4f4f4;
  text-align: left;
  padding: 10px 12px;
  margin: 0 0 6px;
  border-radius: 4px;
  font-size: var(--fs-nav);
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-btn.active {
  background: var(--primary);
  font-weight: 700;
}

.main-panel {
  padding: var(--pad-y) var(--pad-x);
}

.page {
  display: none;
  max-width: 980px;
}

.page.active {
  display: block;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-label);
}

select {
  width: 100%;
  height: clamp(40px, 4.2vw, 62px);
  border: 0;
  border-radius: 4px;
  background: #1d95d4;
  color: #fff;
  padding: 0 12px;
  font-family: inherit;
  font-size: var(--fs-select);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: var(--fs-h1);
  text-align: center;
  margin: 18px 0 0;
}

h2 {
  font-size: var(--fs-h2);
  margin-bottom: 12px;
}

h3 {
  font-size: var(--fs-h3);
  margin-bottom: 8px;
}

p {
  font-size: var(--fs-p);
  line-height: 1.45;
}

.info-box,
.warning-box {
  padding: 18px 22px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.info-box {
  background: #183a57;
}

.warning-box {
  background: #4a2c00;
  color: #ffd27a;
}

.text-box {
  font-weight: 600;
}

.selector-row,
.tables-row,
.two-col,
.three-col {
  display: grid;
  gap: 24px;
  margin-bottom: 18px;
}

.selector-row {
  grid-template-columns: minmax(260px, 340px) 1fr;
  align-items: center;
}

.tables-row,
.two-col {
  grid-template-columns: 1fr 1fr;
}

.three-col {
  grid-template-columns: 1fr 1fr 1fr;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-table);
}

th,
td {
  border: 1px solid var(--line);
  text-align: left;
  padding: 10px 12px;
}

thead th {
  color: #b9b9b9;
  font-weight: 500;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 26px 0;
}

.muted {
  color: var(--text-muted);
  font-size: var(--fs-muted);
  margin-bottom: 6px;
}

.detail-text {
  color: #d8d8d8;
}

.rich-text {
  font-size: var(--fs-p);
  line-height: 1.45;
  color: var(--text-main);
}

.rich-text p {
  margin: 0 0 10px;
}

.rich-text ul {
  margin: 0 0 12px 20px;
  padding: 0;
}

.rich-text li {
  margin-bottom: 6px;
}

.rich-text blockquote {
  margin: 10px 0;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  color: #d8d8d8;
}

.combo-row {
  margin-top: 26px;
}

.combo-image {
  max-width: 200px;
}

#combo-note {
  margin-top: 12px;
  color: #d8d8d8;
}

.bank-btn {
  border: 0;
  background: #ffffff;
  color: #0f0f0f;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 24px;
  border-radius: 4px;
  cursor: pointer;
}

.bank-details {
  margin-top: 16px;
}

.paypal-block img {
  max-width: 220px;
}

a {
  color: #78bfff;
}

.tripsit-logo {
  margin-top: 16px;
}

.tripsit-logo img {
  width: 220px;
  max-width: 100%;
}

footer {
  margin-top: 34px;
  text-align: center;
}

footer img {
  width: 310px;
  max-width: 100%;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(340px, 80vw);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 20;
  }

  .main-panel {
    padding: 24px 18px;
    width: 100%;
  }

  .app-shell.drawer-open .sidebar {
    transform: translateX(0);
  }

  .app-shell.drawer-open .sidebar-overlay {
    display: block;
  }
}

@media (max-width: 900px) {
  .selector-row,
  .tables-row,
  .two-col,
  .three-col {
    grid-template-columns: 1fr;
  }

  .main-panel {
    padding: 22px 16px;
  }

  .sidebar-logo {
    margin-top: 18px;
  }

  .sidebar-close {
    display: none;
  }

  .sidebar-open {
    display: inline-flex;
    align-items: center;
  }
}