:root {
  color-scheme: light;
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  --color-primary: #075985;
  --color-primary-hover: #0369a1;
  --color-accent: #03c75a;
  --color-accent-hover: #02ad4e;
  --color-danger: #c62828;
  --color-danger-soft: #fff1f0;
  --color-warning: #a15c00;
  --color-warning-soft: #fff8e6;
  --color-success: #087443;
  --color-success-soft: #eaf8f0;
  --color-info-soft: #eaf5fb;
  --color-text: #172033;
  --color-muted: #64748b;
  --color-border: #dce4ec;
  --color-surface: #ffffff;
  --color-background: #f3f6f9;
  --shadow-card: 0 10px 28px rgba(15, 23, 42, 0.08);
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-large: 18px;
  --page-width: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--color-background);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.app-shell {
  width: min(100%, var(--page-width));
  margin: 0 auto;
  padding: 24px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 228, 236, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.app-header__inner {
  width: min(100%, var(--page-width));
  min-height: 68px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-size: 1.05rem;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8rem;
}

.app-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.app-nav__link {
  padding: 8px 11px;
  border-radius: var(--radius-small);
  color: #475569;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.app-nav__link:hover,
.app-nav__link[aria-current="page"] {
  background: var(--color-info-soft);
  color: var(--color-primary);
}

.page-heading {
  margin-bottom: 22px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
}

.page-heading p {
  margin: 7px 0 0;
  color: var(--color-muted);
}

.button-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.button {
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--color-primary-hover);
}

.button--accent {
  background: var(--color-accent);
}

.button--accent:hover {
  background: var(--color-accent-hover);
}

.button--secondary {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.button--secondary:hover {
  border-color: #aebdca;
  background: #f8fafc;
}

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

.button--danger:hover {
  background: var(--color-danger-soft);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.card__header,
.card__body,
.card__footer {
  padding: 18px 20px;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid #edf1f5;
}

.card__title {
  margin: 0;
  font-size: 1.05rem;
}

.card__footer {
  border-top: 1px solid #edf1f5;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 17px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.stat-card__label {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.stat-card__value {
  margin-top: 5px;
  font-size: 1.45rem;
  font-weight: 900;
}

.status-pill {
  padding: 4px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #eef2f6;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.status-pill--success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.status-pill--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.status-pill--danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.toolbar {
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--color-surface);
}

.field {
  min-width: 170px;
  flex: 1 1 170px;
}

.field label {
  display: block;
  margin-bottom: 5px;
  color: #475569;
  font-size: 0.8rem;
  font-weight: 800;
}

.input,
.select {
  width: 100%;
  min-height: 40px;
  padding: 8px 11px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-small);
  background: #fff;
  color: var(--color-text);
}

.input:focus,
.select:focus,
.button:focus-visible,
.app-nav__link:focus-visible {
  outline: 3px solid rgba(3, 105, 161, 0.2);
  outline-offset: 1px;
  border-color: var(--color-primary-hover);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #edf1f5;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
  color: #475569;
  font-size: 0.8rem;
  font-weight: 900;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: #f8fbfd;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.pagination {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.pagination__status {
  min-width: 90px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.feedback {
  padding: 32px 20px;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius-medium);
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-muted);
  text-align: center;
}

.feedback--error {
  border-color: #fecaca;
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

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

.text-muted {
  color: var(--color-muted);
}

.text-price {
  color: var(--color-danger);
  font-weight: 900;
  white-space: nowrap;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 760px) {
  .app-shell {
    padding: 16px;
  }

  .app-header__inner {
    padding: 10px 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .app-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .page-heading {
    flex-direction: column;
  }

  .button-row,
  .button-row .button {
    width: 100%;
  }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }
}

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