/* =============================================
   Design Tokens
============================================= */
:root {
  --color-bg: #f7f6f2;
  --color-surface: #ffffff;
  --color-surface-hover: #f3f7f5;
  --color-border: #d4d1ca;
  --color-text: #28251d;
  --color-text-muted: #7a7974;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-primary-highlight: #cedcd8;
  --color-active: #16a34a;
  --color-active-bg: #dcfce7;
  --color-suspended: #ca8a04;
  --color-suspended-bg: #fef9c3;
  --color-terminated: #dc2626;
  --color-terminated-bg: #fee2e2;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.09);
  --shadow-lg: 0 8px 32px oklch(0.2 0.01 80 / 0.13);
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
}

/* =============================================
   Base Reset
============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background-color: var(--color-bg);
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--color-text);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

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

/* =============================================
   Page Wrapper
============================================= */
.page-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-8);
  min-height: 100dvh;
}

/* =============================================
   Logo
============================================= */
.logo-area {
  display: flex;
  justify-content: center;
}

.logo-area img {
  width: clamp(160px, 30vw, 260px);
  height: auto;
  object-fit: contain;
  transition: opacity var(--transition);
}

.logo-area a:hover img {
  opacity: 0.8;
}

/* =============================================
   Content Layout (2-column)
============================================= */
.content-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-6);
  width: 100%;
  max-width: 1280px;
  align-items: start;
}

/* =============================================
   Filter Panel
============================================= */
.filter-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  position: sticky;
  top: var(--space-6);
}

.filter-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.filter-header svg {
  width: 18px;
  height: 18px;
}

.filter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-group>label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.filter-group input[type="text"] {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.filter-group input[type="text"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: var(--text-sm);
}

.radio-label input[type="radio"] {
  accent-color: var(--color-primary);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.btn-search {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1.5px solid var(--color-primary);
  transition: background var(--transition), border-color var(--transition);
  width: 100%;
}

.btn-search:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-search svg {
  width: 16px;
  height: 16px;
}

/* =============================================
   Result Panel
============================================= */
.result-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-2) 0;
}

.result-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.result-count strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* =============================================
   Company Grid & Cards
============================================= */
.company-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.company-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.company-card:hover {
  background: var(--color-surface-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.company-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* 카드 상단 */
.company-card-top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.company-avatar {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-avatar svg {
  width: 22px;
  height: 22px;
}

.company-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.company-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.company-rep {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.company-bizno {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.company-status {
  flex-shrink: 0;
}

/* 카드 중단 */
.company-card-mid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.company-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.company-meta-item svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* 카드 하단 (주 종목) */
.company-card-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

/* =============================================
   Badges
============================================= */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-active {
  color: var(--color-active);
  background: var(--color-active-bg);
}

.badge-suspended {
  color: var(--color-suspended);
  background: var(--color-suspended-bg);
}

.badge-terminated {
  color: var(--color-terminated);
  background: var(--color-terminated-bg);
}

.option-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-lg);
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  white-space: nowrap;
}

.option-badge-empty {
  background: #f0eeea;
  color: var(--color-text-muted);
}

/* =============================================
   Empty State
============================================= */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-10);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-xl);
}

.empty-state svg {
  width: 40px;
  height: 40px;
  opacity: 0.5;
}

.empty-state p {
  font-size: var(--text-sm);
}

/* =============================================
   Pagination
============================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-btn:hover:not(:disabled) {
  background: var(--color-primary-highlight);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 700;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-nav svg {
  width: 16px;
  height: 16px;
}

/* =============================================
   Responsive
============================================= */
@media (max-width: 900px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    position: static;
  }
}

@media (max-width: 480px) {
  .page-wrapper {
    padding: var(--space-4) var(--space-3);
  }

  .company-grid {
    grid-template-columns: 1fr;
  }
}