:root {
  color-scheme: light;
  --ink: #18232e;
  --muted: #667789;
  --line: #d9e4e9;
  --panel: #ffffff;
  --soft: #f7faf9;
  --green: #188064;
  --green-dark: #125a46;
  --navy: #22384a;
  --amber: #b96b16;
  --danger: #ad3d3d;
  --shadow: 0 24px 60px rgba(24, 44, 56, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Noto Sans KR", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(232, 244, 240, 0.96), rgba(248, 251, 250, 0.94)),
    url("https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?auto=format&fit=crop&w=1800&q=80") center/cover fixed;
}

button, input, select, textarea {
  min-height: 46px;
  font: inherit;
}

.app-shell {
  width: min(680px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 48px;
}

.panel {
  border: 1px solid rgba(217, 228, 233, 0.95);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.intro-panel {
  display: grid;
  justify-items: center;
  gap: 20px;
  max-width: 430px;
  min-height: 400px;
  margin: 0 auto;
  padding: 42px 28px 36px;
  text-align: center;
}

.brand-line {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 14px;
}

.brand-line strong {
  color: var(--ink);
  letter-spacing: 0.04em;
}

.brand-line span { color: var(--muted); }

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

h1, h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(40px, 8vw, 58px);
  line-height: 1;
}

h2 {
  font-size: 23px;
  line-height: 1.25;
}

.subcopy {
  max-width: 330px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.hero-button {
  width: 100%;
  max-width: 320px;
  border: 0;
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--green-dark);
  color: white;
  font-weight: 900;
  cursor: pointer;
}

.hero-button:hover, .submit-button:hover, .lookup-form button:hover, .success-panel button:hover {
  background: var(--green);
}

.link-button {
  border: 0;
  background: transparent;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.workspace { margin-top: 18px; }

.form-panel, .history-panel {
  max-width: 580px;
  margin: 0 auto;
  padding: 24px;
}

.section-heading { margin-bottom: 14px; }

.back-button {
  width: fit-content;
  min-height: 38px;
  margin-bottom: 14px;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  background: #edf5f2;
  color: var(--green-dark);
  font-weight: 900;
  cursor: pointer;
}

.request-form, .mode-fields, .lookup-form {
  display: grid;
  gap: 14px;
}

.step-meter {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.step-meter span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.step-meter div {
  height: 7px;
  border-radius: 999px;
  background: #e8f0ee;
  overflow: hidden;
}

.step-meter i {
  display: block;
  width: 25%;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
  transition: width 180ms ease;
}

.form-step { display: none; }

.form-step.active {
  display: grid;
  align-content: start;
  gap: 18px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field-grid > label:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

label, fieldset {
  display: grid;
  gap: 8px;
  margin: 0;
}

label span, legend {
  color: #31414f;
  font-size: 14px;
  font-weight: 900;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #c7d4db;
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: white;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--green);
  outline: 3px solid rgba(24, 128, 100, 0.14);
}

textarea { resize: vertical; }

fieldset {
  border: 0;
  padding: 0;
}

.transport-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.transport-options label {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
}

.transport-options input {
  width: auto;
  min-height: auto;
  accent-color: var(--green);
}

.transport-options label:has(input:checked) {
  border-color: var(--green);
  background: #eef8f4;
}

.transport-options label.disabled-option {
  opacity: 0.48;
  background: #edf1f2;
  cursor: not-allowed;
}

.transport-options label.disabled-option span {
  color: #87949d;
}

.transport-options span {
  font-size: 14px;
  overflow-wrap: anywhere;
}

.privacy-notice, .inline-summary, .review-card, .my-request-card, .empty {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--soft);
}

.inline-summary {
  border-left: 4px solid var(--green);
}

.privacy-notice strong, .inline-summary strong, .review-card strong, .my-request-card strong {
  display: block;
}

.privacy-notice p, .inline-summary span, .review-card span, .my-request-card span {
  display: block;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.inline-summary strong { color: var(--green-dark); }

.review-card {
  display: grid;
  gap: 8px;
}

.review-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 10px;
  align-items: start;
}

.review-row span {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.review-row strong {
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

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

.consent input {
  width: auto;
  min-height: auto;
  margin-top: 3px;
  accent-color: var(--green);
}

.consent span { line-height: 1.45; }

.form-actions {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 9px;
  margin-top: 4px;
}

.submit-button, .secondary-button, .lookup-form button, .success-panel button, .request-actions button {
  border: 0;
  border-radius: 8px;
  padding: 11px 14px;
  color: white;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
}

.submit-button, .lookup-form button, .success-panel button {
  background: var(--green-dark);
}

.secondary-button { background: #75818b; }

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--green-dark);
  font-weight: 900;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.history-panel { margin-top: 18px; }

.success-panel {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  border: 1px solid #b8d3c8;
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 14px;
  background: #effaf5;
}

.success-panel span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}

.success-panel strong {
  color: var(--green-dark);
  font-size: 30px;
}

.lookup-form {
  grid-template-columns: minmax(180px, 1fr) minmax(260px, 1.1fr) minmax(180px, 0.8fr) auto;
  align-items: end;
  margin-bottom: 10px;
}

.lookup-method {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lookup-method button {
  min-height: 44px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  color: var(--green-dark);
  background: #edf5f2;
  font-size: 14px;
}

.lookup-method button.active {
  border-color: var(--green);
  color: white;
  background: var(--green);
}

.my-request-list {
  display: grid;
  gap: 10px;
}

.my-request-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.my-request-card.cancelled { opacity: 0.65; }

.request-actions {
  display: flex;
  gap: 8px;
}

.request-actions button {
  background: #edf5f2;
  color: var(--green-dark);
}

.request-actions button:disabled {
  color: #87949d;
  cursor: not-allowed;
}

.my-request-card .change-note {
  color: var(--danger);
  font-weight: 800;
}

.hidden { display: none; }

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 20px, 680px);
    padding: 16px 0 32px;
  }

  .intro-panel, .form-panel, .history-panel {
    padding: 18px;
  }

  .intro-panel {
    min-height: 360px;
  }

  .field-grid, .transport-options, .lookup-form, .success-panel, .my-request-card {
    grid-template-columns: 1fr;
  }

  .field-grid > label:last-child:nth-child(odd) {
    grid-column: auto;
  }

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

  .request-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .review-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  h1 { font-size: 40px; }
  h2 { font-size: 20px; }
}