:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --ui-bg: #f3efe6;
  --ui-surface: rgba(255, 255, 255, 0.94);
  --ui-surface-strong: rgba(255, 255, 255, 0.98);
  --ui-surface-soft: rgba(247, 249, 253, 0.92);
  --ui-border: rgba(23, 48, 94, 0.1);
  --ui-border-strong: rgba(23, 48, 94, 0.16);
  --ui-text: #17305e;
  --ui-muted: #607086;
  --ui-primary: #4d8df8;
  --ui-primary-strong: #3977db;
  --ui-primary-soft: rgba(77, 141, 248, 0.1);
  --ui-success: #2f8c4d;
  --ui-success-soft: rgba(47, 140, 77, 0.12);
  --ui-warning: #b97700;
  --ui-warning-soft: rgba(255, 184, 92, 0.18);
  --ui-danger: #c74b3b;
  --ui-danger-soft: rgba(199, 75, 59, 0.12);
  --ui-shadow: 0 16px 36px rgba(23, 48, 94, 0.08);
  --ui-shadow-soft: 0 8px 18px rgba(23, 48, 94, 0.05);
  --ui-radius: 20px;
  --ui-radius-lg: 24px;
  --ui-radius-sm: 16px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Pretendard', 'SUIT', 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  color: var(--ui-text);
  background:
    radial-gradient(circle at 0% 0%, rgba(77, 141, 248, 0.13), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(255, 184, 92, 0.12), transparent 20%),
    linear-gradient(180deg, #f7f4ec 0%, var(--ui-bg) 100%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
  touch-action: manipulation;
}

.page-shell {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding:
    calc(16px + var(--safe-top))
    calc(16px + var(--safe-right))
    calc(96px + var(--safe-bottom))
    calc(16px + var(--safe-left));
}

.page-shell--narrow {
  max-width: 1040px;
}

.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(77, 141, 248, 0.18);
  background: linear-gradient(145deg, #ffffff, #e0eaff);
  box-shadow: 0 8px 20px rgba(77, 141, 248, 0.14);
  flex-shrink: 0;
}

.brand-mark img {
  width: 30px;
  height: 30px;
}

.brand-copy,
.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-title,
.brand-copy strong,
.brand-text strong {
  font-size: 22px;
  line-height: 1.1;
  font-weight: 800;
}

.brand-kicker,
.brand-copy small {
  color: var(--ui-primary-strong);
  font-size: 12px;
  font-weight: 800;
}

.brand-subtitle,
.brand-copy span,
.brand-text span {
  color: var(--ui-muted);
  font-size: 14px;
}

.desktop-nav,
.header-actions,
.cta-group,
.meta-row,
.tag-row,
.action-row,
.field-row,
.compact-step-strip,
.shortcut-strip,
.stepper-strip,
.section-tabs,
.mobile-bottom-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.desktop-nav,
.header-actions,
.cta-group,
.meta-row,
.tag-row,
.action-row,
.field-row,
.compact-step-strip,
.shortcut-strip,
.stepper-strip,
.section-tabs {
  flex-wrap: wrap;
}

.desktop-nav {
  display: none;
}

.desktop-nav a,
.desktop-nav button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--ui-muted);
  font-weight: 700;
  border: 0;
  background: transparent;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.desktop-nav button:hover,
.desktop-nav button:focus-visible {
  color: var(--ui-text);
  background: rgba(255, 255, 255, 0.6);
  outline: none;
}

.header-actions {
  justify-content: flex-end;
}

.header-actions .ui-btn,
.header-actions .ui-icon-btn {
  display: none;
}

.ui-menu-btn,
.ui-icon-btn,
.ui-btn,
.ui-link-btn {
  min-height: 48px;
  border-radius: 999px;
  border: 1px solid var(--ui-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition:
    background 0.16s ease,
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.16s ease;
}

.ui-btn,
.ui-icon-btn,
.ui-menu-btn {
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ui-text);
}

.ui-btn--primary {
  border-color: transparent;
  color: #ffffff;
  background: linear-gradient(135deg, var(--ui-primary), #6ba6ff);
  box-shadow: 0 10px 24px rgba(77, 141, 248, 0.2);
}

.ui-btn--secondary {
  background: rgba(255, 255, 255, 0.86);
}

.ui-btn--text,
.ui-link-btn {
  min-height: auto;
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--ui-muted);
  font-weight: 700;
}

.ui-menu-btn,
.ui-icon-btn {
  width: 48px;
  padding: 0;
}

.ui-btn:hover,
.ui-menu-btn:hover,
.ui-icon-btn:hover,
.ui-btn:focus-visible,
.ui-menu-btn:focus-visible,
.ui-icon-btn:focus-visible,
.ui-link-btn:focus-visible {
  outline: none;
  border-color: var(--ui-border-strong);
  box-shadow: 0 0 0 4px rgba(77, 141, 248, 0.08);
}

.ui-btn:active,
.ui-menu-btn:active,
.ui-icon-btn:active,
.ui-chip-button:active,
.quick-action-card:active,
.compact-list-item:active {
  transform: scale(0.985);
}

.ui-btn[disabled],
.ui-menu-btn[disabled],
.ui-icon-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.surface-card,
.modal,
.modal-card,
.sheet-panel {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  box-shadow: var(--ui-shadow);
}

.surface-card {
  padding: 18px;
}

.surface-card + .surface-card {
  margin-top: 14px;
}

.hero-panel {
  padding: 20px;
}

.hero-layout {
  display: grid;
  gap: 18px;
}

.hero-copy {
  display: grid;
  gap: 12px;
  align-content: start;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-copy p,
.section-meta,
.helper-text,
.muted-text,
.compact-list-meta,
.compact-list-subtitle,
.step-card-summary,
.empty-state-copy,
.modal-subtitle {
  margin: 0;
  color: var(--ui-muted);
  line-height: 1.6;
}

.hero-side {
  display: grid;
  gap: 12px;
}

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-header h2,
.section-header h3,
.section-header strong {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.section-kicker,
.state-chip,
.tag-chip,
.mini-chip,
.step-chip,
.stat-chip-label,
.tab-count {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(77, 141, 248, 0.14);
  background: var(--ui-primary-soft);
  color: var(--ui-text);
  font-size: 13px;
  font-weight: 700;
}

.state-chip--success {
  background: var(--ui-success-soft);
  border-color: rgba(47, 140, 77, 0.16);
  color: var(--ui-success);
}

.state-chip--warning {
  background: var(--ui-warning-soft);
  border-color: rgba(185, 119, 0, 0.18);
  color: var(--ui-warning);
}

.state-chip--danger {
  background: var(--ui-danger-soft);
  border-color: rgba(199, 75, 59, 0.18);
  color: var(--ui-danger);
}

.state-chip--neutral,
.tag-chip,
.mini-chip,
.step-chip {
  background: rgba(23, 48, 94, 0.05);
  border-color: var(--ui-border);
  color: var(--ui-text);
}

.stat-chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-chip {
  min-height: 88px;
  padding: 14px;
  border-radius: var(--ui-radius);
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.82);
  display: grid;
  gap: 8px;
  align-content: space-between;
}

.stat-chip strong {
  font-size: 26px;
  line-height: 1.1;
}

.stat-chip-label {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ui-muted);
  font-size: 14px;
  font-weight: 600;
}

.quick-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.quick-action-card {
  width: 100%;
  min-height: 148px;
  padding: 16px;
  border-radius: var(--ui-radius);
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ui-text);
  display: grid;
  gap: 12px;
  text-align: left;
}

.quick-action-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.quick-action-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--ui-border);
  background: var(--ui-surface-soft);
  display: grid;
  place-items: center;
  color: var(--ui-primary-strong);
}

.quick-action-card__icon svg {
  width: 22px;
  height: 22px;
}

.quick-action-card__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
}

.quick-action-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.section-tabs {
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.section-tabs::-webkit-scrollbar {
  display: none;
}

.section-tab {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ui-text);
  font-weight: 700;
  white-space: nowrap;
}

.section-tab.is-active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--ui-primary), #6ba6ff);
  color: #ffffff;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

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

.compact-list-item {
  width: 100%;
  padding: 14px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.82);
  display: grid;
  gap: 8px;
  text-align: left;
}

.compact-list-item__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.compact-list-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 800;
}

.compact-list-subtitle {
  font-size: 14px;
}

.compact-list-meta,
.compact-list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.compact-list-tags .tag-chip,
.compact-list-meta .mini-chip {
  min-height: 28px;
  font-size: 12px;
  padding: 0 10px;
}

.compact-list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.empty-state {
  padding: 20px;
  border-radius: var(--ui-radius);
  border: 1px dashed var(--ui-border-strong);
  background: rgba(247, 249, 253, 0.78);
  display: grid;
  gap: 12px;
  justify-items: start;
}

.empty-state--center {
  justify-items: center;
  text-align: center;
}

.empty-state-figure {
  width: 96px;
  height: 96px;
}

.empty-state-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 800;
}

.empty-state-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.illustration-block {
  padding: 14px;
  border-radius: var(--ui-radius);
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.8);
  display: grid;
  gap: 10px;
}

.illustration-block img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #f8fafc;
}

.image-slot {
  width: 100%;
  min-height: 96px;
  border-radius: 18px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.88);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.image-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-slot-fallback {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 16px;
  color: var(--ui-muted);
  text-align: center;
  font-size: 13px;
}

.stepper-strip {
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.stepper-strip::-webkit-scrollbar {
  display: none;
}

.stepper-item {
  min-width: 92px;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.76);
  display: grid;
  gap: 2px;
}

.stepper-item strong {
  font-size: 15px;
  line-height: 1.2;
}

.stepper-item span {
  color: var(--ui-muted);
  font-size: 12px;
}

.stepper-item.is-active {
  border-color: rgba(77, 141, 248, 0.24);
  background: rgba(77, 141, 248, 0.1);
}

.stepper-item.is-complete {
  border-color: rgba(47, 140, 77, 0.2);
  background: rgba(47, 140, 77, 0.08);
}

.stepper-item.is-locked {
  opacity: 0.55;
}

.step-card {
  overflow: hidden;
}

.step-card + .step-card {
  margin-top: 12px;
}

.step-card-header {
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
}

.step-card-header[disabled] {
  cursor: not-allowed;
  opacity: 0.72;
}

.step-card-index {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--ui-primary-soft);
  color: var(--ui-primary-strong);
  display: grid;
  place-items: center;
  font-weight: 800;
  flex-shrink: 0;
}

.step-card-copy {
  flex: 1 1 auto;
  display: grid;
  gap: 4px;
  min-width: 0;
}

.step-card-title {
  font-size: 18px;
  line-height: 1.25;
  font-weight: 800;
}

.step-card-body {
  padding: 0 18px 18px;
}

.step-card.is-locked .step-card-body {
  display: none;
}

.is-hidden {
  display: none !important;
}

[hidden] {
  display: none !important;
}

.field-stack,
.form-grid,
.stack-list {
  display: grid;
  gap: 12px;
}

.form-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.98);
  color: var(--ui-text);
  outline: none;
}

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

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.section-tab:focus-visible,
.step-card-header:focus-visible {
  border-color: rgba(77, 141, 248, 0.5);
  box-shadow: 0 0 0 4px rgba(77, 141, 248, 0.1);
  outline: none;
}

.input-error,
.error-text {
  color: var(--ui-danger);
  font-size: 14px;
  line-height: 1.5;
}

.success-text {
  color: var(--ui-success);
  font-size: 14px;
  line-height: 1.5;
}

.checkbox-row,
.switch-row {
  min-height: 56px;
  padding: 12px 14px;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-border);
  background: var(--ui-surface-soft);
  display: flex;
  align-items: center;
  gap: 12px;
}

.checkbox-row input,
.switch-row input {
  width: 18px;
  min-height: auto;
  padding: 0;
}

.helper-accordion {
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-sm);
  background: rgba(247, 249, 253, 0.84);
  overflow: hidden;
}

.helper-accordion summary {
  min-height: 52px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-weight: 800;
}

.helper-accordion summary::-webkit-details-marker {
  display: none;
}

.helper-accordion > div,
.helper-accordion > form {
  padding: 0 16px 16px;
}

.sheet-backdrop,
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 16, 31, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
  z-index: 70;
}

.sheet-backdrop.show,
.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.sheet-panel,
.modal-card,
.modal {
  width: min(92vw, 420px);
  margin: auto;
}

.sheet-backdrop {
  display: flex;
  justify-content: flex-end;
}

.sheet-panel {
  height: 100%;
  border-radius: 24px 0 0 24px;
  padding: 18px;
  transform: translateX(100%);
  transition: transform 0.18s ease;
}

.sheet-backdrop.show .sheet-panel {
  transform: translateX(0);
}

.sheet-head,
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.sheet-links,
.modal-body,
.modal-form {
  display: grid;
  gap: 12px;
}

.sheet-link {
  min-height: 48px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--ui-border);
  background: rgba(255, 255, 255, 0.86);
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  font-weight: 700;
}

.modal-backdrop {
  display: flex;
}

.modal,
.modal-card {
  padding: 18px;
  background: var(--ui-surface-strong);
  box-shadow: 0 28px 72px rgba(9, 16, 31, 0.24);
}

.modal-wide {
  width: min(92vw, 560px);
}

.modal-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(16px + var(--safe-bottom));
  transform: translate(-50%, 16px);
  min-height: 48px;
  max-width: min(92vw, 520px);
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
  z-index: 90;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.mobile-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding:
    10px
    calc(12px + var(--safe-right))
    calc(10px + var(--safe-bottom))
    calc(12px + var(--safe-left));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--ui-border);
  backdrop-filter: blur(12px);
}

.mobile-bottom-nav .ui-btn,
.mobile-bottom-nav .section-tab {
  min-height: 48px;
}

.loading-stack {
  display: grid;
  gap: 10px;
}

.loading-line {
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(23, 48, 94, 0.06), rgba(77, 141, 248, 0.12), rgba(23, 48, 94, 0.06));
  background-size: 200% 100%;
  animation: ui-loading 1.2s linear infinite;
}

.loading-line.short {
  width: 36%;
}

.loading-line.mid {
  width: 64%;
}

@keyframes ui-loading {
  from {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}

@media (min-width: 768px) {
  .page-shell {
    padding:
      calc(22px + var(--safe-top))
      calc(22px + var(--safe-right))
      calc(32px + var(--safe-bottom))
      calc(22px + var(--safe-left));
  }

  .desktop-nav {
    display: flex;
  }

  .header-actions .ui-btn,
  .header-actions .ui-icon-btn {
    display: inline-flex;
  }

  .ui-menu-btn,
  .mobile-bottom-nav {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 380px);
    align-items: center;
  }

  .stat-chip-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .quick-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .header-actions {
    margin-left: auto;
  }

  .form-grid--two,
  .quick-card-grid {
    grid-template-columns: 1fr;
  }
}