:root {
  color-scheme: light;
  --ink: #102a3a;
  --muted: #607585;
  --line: #d6e1e7;
  --soft: #eef6f9;
  --paper: #ffffff;
  --canvas: #eaf1f4;
  --cyan: #08a7d8;
  --cyan-dark: #075985;
  --cyan-deep: #064663;
  --danger: #b42318;
  --shadow: 0 16px 42px rgba(16, 42, 58, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  background: var(--canvas);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, #d9ecf3 0, #eef4f6 220px, var(--canvas) 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  z-index: 20;
  top: 0;
  padding-top: env(safe-area-inset-top);
  color: #fff;
  background: rgba(6, 70, 99, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #00334a;
  background: var(--cyan);
  border-radius: 10px 10px 10px 2px;
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand-copy {
  min-width: 0;
  flex: 1;
}

.brand-copy h1 {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.brand-copy p {
  margin: 5px 0 0;
  display: flex;
  align-items: center;
  gap: 7px;
  color: #cce7f1;
  font-size: 0.78rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #69db9d;
  box-shadow: 0 0 0 3px rgba(105, 219, 157, 0.13);
}

.text-button {
  min-height: 44px;
  padding: 0 7px;
  color: #d8edf4;
  background: transparent;
  border: 0;
  font-weight: 750;
}

.text-button:hover,
.text-button:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 120px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 24px;
  align-items: start;
}

#trip-form {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.section-card,
.action-panel {
  background: var(--paper);
  border: 1px solid rgba(117, 147, 163, 0.24);
  box-shadow: var(--shadow);
}

.section-card {
  padding: 24px;
  border-radius: 18px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 22px;
}

.step-number {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: var(--cyan-dark);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 850;
}

.section-heading h2,
.action-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.06rem;
  letter-spacing: -0.015em;
}

.section-heading p,
.action-copy p,
.empty-state p,
.privacy-note p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}

.vehicle-grid {
  grid-template-columns: 1fr 0.7fr 1.15fr;
}

.field {
  min-width: 0;
  display: grid;
  gap: 7px;
  color: #294454;
  font-size: 0.88rem;
  font-weight: 740;
}

.field strong {
  color: var(--cyan-dark);
}

.field small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 560;
}

.field input {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: 49px;
  padding: 0 13px;
  color: var(--ink);
  background: #fbfdfe;
  border: 1px solid #bfcfd7;
  border-radius: 10px;
  outline: 0;
  font-size: 1rem;
  font-weight: 560;
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.field input[type="date"],
.field input[type="time"] {
  display: block;
  inline-size: 100%;
  min-inline-size: 0;
  max-inline-size: 100%;
  padding-block: 12px;
  line-height: 23px;
  text-align: left;
  appearance: none;
  -webkit-appearance: none;
}

.field input[type="date"]::-webkit-date-and-time-value,
.field input[type="time"]::-webkit-date-and-time-value {
  min-height: 23px;
  margin: 0;
  text-align: left;
}

.field input[type="date"]::-webkit-datetime-edit,
.field input[type="time"]::-webkit-datetime-edit {
  padding: 0;
}

.field input::placeholder {
  color: #91a1aa;
  font-weight: 450;
}

.field input:hover {
  border-color: #8da8b5;
}

.field input:focus {
  background: #fff;
  border-color: var(--cyan-dark);
  box-shadow: 0 0 0 3px rgba(8, 167, 216, 0.14);
}

.field input[aria-invalid="true"] {
  border-color: #d92d20;
  box-shadow: 0 0 0 3px rgba(217, 45, 32, 0.1);
}

.full-field {
  grid-column: 1 / -1;
}

.passenger-heading-row {
  align-items: center;
}

.passenger-heading-row > div:nth-child(2) {
  flex: 1;
}

.passenger-counter {
  align-self: flex-start;
  padding: 7px 11px;
  color: var(--cyan-deep);
  background: #e2f5fb;
  border: 1px solid #b9e6f4;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 850;
  white-space: nowrap;
}

.passenger-list {
  display: grid;
  gap: 11px;
}

.passenger-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1.6fr) minmax(0, 1fr) 126px 42px;
  gap: 10px;
  align-items: end;
  padding: 13px;
  background: #f6fafc;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.contractor-option {
  height: 49px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #294454;
  background: #fff;
  border: 1px solid #bfcfd7;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 750;
  cursor: pointer;
}

.contractor-option:has(input:checked) {
  color: var(--cyan-deep);
  background: #e2f5fb;
  border-color: #72bdd4;
}

.contractor-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--cyan-dark);
}

.row-number {
  height: 49px;
  display: grid;
  place-items: center;
  align-self: end;
  color: var(--cyan-deep);
  background: #d9f0f7;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 900;
}

.remove-passenger {
  width: 42px;
  height: 49px;
  display: grid;
  place-items: center;
  align-self: end;
  color: #8a3440;
  background: #fff;
  border: 1px solid #e5c7cc;
  border-radius: 9px;
  font-size: 1.4rem;
  line-height: 1;
}

.remove-passenger:hover,
.remove-passenger:focus-visible {
  color: #fff;
  background: #a32939;
  border-color: #a32939;
}

.empty-state {
  min-height: 108px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  padding: 18px;
  background: #f7fbfc;
  border: 1px dashed #b8cbd4;
  border-radius: 12px;
}

.empty-number {
  color: #8fcada;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.empty-state strong {
  font-size: 0.95rem;
}

.secondary-button,
.primary-button,
.danger-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 820;
}

.secondary-button {
  width: 100%;
  margin-top: 14px;
  color: var(--cyan-dark);
  background: #fff;
  border: 1px solid #89becf;
}

.secondary-button:hover,
.secondary-button:focus-visible {
  background: #edf9fc;
  border-color: var(--cyan-dark);
}

.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.secondary-button span {
  font-size: 1.35rem;
  line-height: 1;
}

.limit-message {
  margin: 9px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.8rem;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 17px 20px;
  color: #24523d;
  background: #eaf8f1;
  border: 1px solid #bfe5d0;
  border-radius: 14px;
}

.lock-badge {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: #2c8c60;
  border-radius: 50%;
  font-weight: 900;
}

.privacy-note strong {
  font-size: 0.9rem;
}

.action-panel {
  position: sticky;
  top: 100px;
  padding: 16px;
  border-radius: 18px;
}

.document-preview {
  position: relative;
  overflow: hidden;
  aspect-ratio: 210 / 297;
  background: #d5e1e6;
  border: 1px solid #c4d3da;
  border-radius: 10px;
}

.document-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
}

.preview-overlay {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  padding: 11px;
  color: #fff;
  background: rgba(6, 70, 99, 0.91);
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.preview-overlay span,
.preview-overlay strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-overlay span {
  color: #d4edf5;
  font-size: 0.72rem;
}

.preview-overlay strong {
  margin-top: 3px;
  font-size: 0.86rem;
}

.action-copy {
  padding: 17px 3px 14px;
}

.primary-button {
  width: 100%;
  color: #fff;
  background: var(--cyan-dark);
  border: 1px solid var(--cyan-dark);
  box-shadow: 0 8px 20px rgba(7, 89, 133, 0.2);
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--cyan-deep);
  border-color: var(--cyan-deep);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.action-hint {
  margin: 10px 0 1px;
  color: var(--muted);
  text-align: center;
  font-size: 0.75rem;
}

.mobile-action-bar {
  display: none;
}

.toast {
  position: fixed;
  z-index: 60;
  right: 18px;
  bottom: 22px;
  max-width: min(360px, calc(100% - 36px));
  padding: 13px 16px;
  color: #fff;
  background: #173746;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
  font-size: 0.88rem;
  font-weight: 700;
}

dialog {
  width: min(430px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(11, 31, 43, 0.28);
}

dialog::backdrop {
  background: rgba(4, 26, 38, 0.6);
  backdrop-filter: blur(4px);
}

.dialog-card {
  padding: 24px;
}

.dialog-card h2 {
  margin: 0;
  font-size: 1.2rem;
}

.dialog-card p {
  margin: 8px 0 22px;
  color: var(--muted);
  line-height: 1.5;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.secondary-button.compact {
  margin: 0;
}

.danger-button {
  color: #fff;
  background: var(--danger);
  border: 1px solid var(--danger);
}

@media (min-width: 621px) and (max-width: 1080px) {
  .passenger-row {
    grid-template-columns: 38px minmax(0, 1.6fr) minmax(0, 1fr) 42px;
  }

  .passenger-row .contractor-option {
    grid-column: 2 / 4;
  }

  .passenger-row .remove-passenger {
    grid-column: 4;
    grid-row: 1;
  }
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .action-panel {
    display: none;
  }

  .mobile-action-bar {
    position: fixed;
    z-index: 30;
    right: 0;
    bottom: 0;
    left: 0;
    min-height: 82px;
    padding: 10px max(16px, env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(145px, 0.8fr);
    gap: 14px;
    align-items: center;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid #c9d8df;
    box-shadow: 0 -10px 32px rgba(16, 42, 58, 0.11);
    backdrop-filter: blur(14px);
  }

  .mobile-action-bar strong,
  .mobile-action-bar span {
    display: block;
  }

  .mobile-action-bar strong {
    font-size: 0.91rem;
  }

  .mobile-action-bar span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.72rem;
  }

  .mobile-action-bar .primary-button {
    min-height: 52px;
  }

  .toast {
    right: 16px;
    bottom: calc(98px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 620px) {
  .header-inner,
  .app-shell {
    width: min(100% - 24px, 1180px);
  }

  .header-inner {
    min-height: 70px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-copy p {
    margin-top: 3px;
  }

  .app-shell {
    margin-bottom: 116px;
  }

  .section-card {
    padding: 19px 16px;
    border-radius: 15px;
  }

  .section-heading {
    margin-bottom: 19px;
  }

  .field-grid,
  .vehicle-grid {
    grid-template-columns: 1fr 1fr;
    gap: 15px 11px;
  }

  .vehicle-grid .field:nth-child(3),
  .full-field {
    grid-column: 1 / -1;
  }

  .passenger-row {
    grid-template-columns: 34px minmax(0, 1fr) 42px;
    gap: 9px;
    padding: 11px;
  }

  .passenger-row .document-field {
    grid-column: 2 / 4;
  }

  .passenger-row .contractor-option {
    grid-column: 2 / 4;
  }

  .row-number {
    grid-row: 1 / 2;
  }

  .remove-passenger {
    grid-column: 3;
    grid-row: 1;
  }

  .privacy-note {
    align-items: flex-start;
  }
}

@media (max-width: 390px) {
  .brand-copy p {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .text-button {
    padding-right: 0;
    font-size: 0.84rem;
  }

  .passenger-counter {
    padding: 6px 8px;
  }
}

@media (max-width: 460px) {
  .field-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .vehicle-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  }

  .vehicle-grid .field:nth-child(3),
  .vehicle-grid .full-field {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}