:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --ink: #17212b;
  --muted: #5c6773;
  --line: #d7dee8;
  --accent: #0057d8;
  --accent-ink: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  min-height: 100%;
  height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, #e7eefc 0%, var(--bg) 50%);
}

.app-shell {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
}

.top-bar {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 3px 14px rgba(23, 33, 43, 0.06);
}

.brand h1 {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.2;
}

.brand p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  background: #f8fafc;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.nav-link:hover {
  transform: translateY(-1px);
  border-color: #b9c5d8;
  background: #eef3fb;
}

.nav-link.active {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.page-content {
  padding: 0;
  min-height: 0;
  height: 100dvh;
}

.tool-frame-wrap {
  height: 100dvh;
  min-height: 100dvh;
  background: var(--surface);
  border: 0;
  border-radius: 0;
  overflow: hidden;
}

.tool-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.native-itinerary {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  min-height: calc(100dvh - 160px);
}

.iti-toolbar {
  display: grid;
  gap: 0.75rem;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.iti-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.iti-title-input {
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  font-size: 1rem;
  min-width: 260px;
  flex: 1;
}

.iti-meta {
  color: #475569;
  font-size: 0.9rem;
}

.iti-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.iti-btn,
.iti-btn-small {
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  border-radius: 9px;
  padding: 0.48rem 0.72rem;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.iti-btn:hover,
.iti-btn-small:hover {
  border-color: #93c5fd;
  background: #eff6ff;
}

.iti-btn-ghost {
  background: #fff;
}

.iti-day-list {
  display: grid;
  gap: 10px;
}

.iti-day-card {
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: #fbfdff;
}

.iti-day-header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.7rem;
  flex-wrap: wrap;
}

.iti-toggle {
  border: 1px solid #cbd5e1;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.iti-date {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.3rem 0.45rem;
}

.iti-day-body {
  border-top: 1px solid #e2e8f0;
  padding: 0.7rem;
}

.iti-activity-actions {
  margin-bottom: 0.5rem;
}

.iti-empty {
  color: #64748b;
  margin: 0.3rem 0;
}

.iti-activity-card {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #fff;
  padding: 0.65rem;
  margin-top: 0.5rem;
}

.iti-activity-head {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.iti-activity-text,
.iti-activity-sub {
  margin: 0.45rem 0 0;
  color: #334155;
  white-space: pre-wrap;
}

.iti-activity-controls {
  margin-top: 0.55rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.iti-danger {
  color: #b91c1c;
  border-color: #fecaca;
  background: #fef2f2;
}

.iti-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: grid;
  place-items: center;
  z-index: 999;
  padding: 1rem;
}

.iti-modal {
  width: min(760px, 100%);
  background: #fff;
  border-radius: 12px;
  padding: 1rem;
}

.iti-modal h3 {
  margin: 0 0 0.8rem;
}

.iti-form-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.iti-form-grid label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  color: #334155;
}

.iti-form-grid input,
.iti-form-grid textarea,
.iti-form-grid select {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font-size: 0.95rem;
}

.iti-span-2 {
  grid-column: span 2;
}

.iti-modal-actions {
  margin-top: 0.85rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.iti-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: #0f766e;
  color: #fff;
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  z-index: 1000;
}

.iti-toast.error {
  background: #b91c1c;
}

.native-hotel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  min-height: calc(100dvh - 160px);
}

.hm-toolbar {
  display: grid;
  gap: 0.7rem;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.hm-title-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.hm-title-row h2 {
  margin: 0;
  font-size: 1.05rem;
}

.hm-set-name {
  color: #475569;
  font-size: 0.9rem;
}

.hm-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hm-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.hm-tab {
  display: inline-flex;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #f8fafc;
  overflow: hidden;
}

.hm-tab.active {
  border-color: #2563eb;
  background: #eff6ff;
}

.hm-tab-main,
.hm-tab-close {
  border: 0;
  background: transparent;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
}

.hm-tab-close {
  border-left: 1px solid #cbd5e1;
}

.hm-editor {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hm-field {
  display: grid;
  gap: 0.3rem;
  color: #334155;
  font-size: 0.86rem;
}

.hm-field input,
.hm-field textarea {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font-size: 0.95rem;
}

.hm-field-wide {
  grid-column: span 2;
}

.hm-import-panel {
  margin-top: 0.9rem;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
}

.hm-import-panel summary {
  cursor: pointer;
  font-weight: 600;
}

.hm-import-panel textarea {
  margin-top: 0.55rem;
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.5rem;
  font-size: 0.9rem;
}

.hm-import-actions {
  margin-top: 0.45rem;
  display: flex;
  gap: 0.45rem;
}

.hm-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: grid;
  place-items: center;
  z-index: 999;
  padding: 1rem;
}

.hm-modal {
  width: min(860px, 100%);
  max-height: 76dvh;
  overflow: auto;
  background: #fff;
  border-radius: 12px;
  padding: 0.9rem;
}

.hm-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.hm-modal-head h3 {
  margin: 0;
}

.hm-set-search {
  width: 100%;
  margin-top: 0.6rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
}

.hm-set-list {
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.hm-set-item {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 0.55rem;
  display: grid;
  gap: 0.45rem;
}

.hm-set-meta {
  display: grid;
  gap: 0.2rem;
}

.hm-set-meta small {
  color: #64748b;
}

.hm-set-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.hm-empty {
  color: #64748b;
  padding: 0.4rem;
}

@media (min-width: 900px) {
  .top-bar {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (max-width: 600px) {
  .page-content {
    padding: 0;
  }

  .tool-frame-wrap {
    height: 100dvh;
    min-height: 100dvh;
  }

  .native-itinerary {
    padding: 10px;
    min-height: calc(100dvh - 188px);
  }

  .native-hotel {
    padding: 10px;
    min-height: calc(100dvh - 188px);
  }

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

  .iti-span-2 {
    grid-column: auto;
  }

  .hm-editor {
    grid-template-columns: 1fr;
  }

  .hm-field-wide {
    grid-column: auto;
  }
}