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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #64748b;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --sidebar-width: 240px;
  --header-height: 60px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px;
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===========================
   인증 페이지
=========================== */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0,0,0,.2);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo i {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.auth-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}
.auth-logo p {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--gray-500);
}

/* ===========================
   폼 공통
=========================== */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
}
.form-group label i { margin-right: 4px; color: var(--gray-400); }

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-800);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
input::placeholder { color: var(--gray-400); }

textarea { resize: vertical; min-height: 80px; }

.form-error {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
}
.form-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
}
.hidden { display: none !important; }

/* ===========================
   버튼
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .2s, opacity .2s, transform .1s;
  white-space: nowrap;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--gray-100); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-200); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-100); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 20px; font-size: 15px; }

/* ===========================
   앱 레이아웃
=========================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* 사이드바 */
.sidebar {
  width: var(--sidebar-width);
  background: var(--gray-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .3s;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo i { font-size: 22px; color: var(--primary); }
.sidebar-logo span { font-size: 15px; font-weight: 700; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section {
  margin-bottom: 4px;
}
.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-500);
  padding: 10px 20px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--gray-400);
  cursor: pointer;
  transition: background .15s, color .15s;
  font-size: 13px;
  border-left: 3px solid transparent;
  text-decoration: none;
}
.nav-item:hover {
  background: rgba(255,255,255,.06);
  color: #fff;
  text-decoration: none;
}
.nav-item.active {
  background: rgba(37,99,235,.2);
  color: #fff;
  border-left-color: var(--primary);
}
.nav-item i { width: 16px; text-align: center; font-size: 13px; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.sidebar-user-avatar {
  width: 32px; height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; color: #fff;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 500; color: #fff; }
.sidebar-user-role { font-size: 11px; color: var(--gray-500); }

/* 메인 컨텐츠 */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
  max-width: calc(100vw - var(--sidebar-width));
  overflow-x: hidden;
}

.page-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}
.page-subtitle {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 2px;
}
.page-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}
.page-header-actions { display: flex; gap: 8px; }

.page-body {
  padding: 24px 28px;
  flex: 1;
}

/* ===========================
   카드
=========================== */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 { font-size: 15px; font-weight: 600; color: var(--gray-800); }
.card-body { padding: 20px; }

/* ===========================
   테이블
=========================== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}
tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}
tbody tr:hover { background: var(--gray-50); }
tbody tr:last-child td { border-bottom: none; }

.td-actions { display: flex; gap: 6px; }

/* ===========================
   배지
=========================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ===========================
   모달
=========================== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0,0,0,.2);
}
.modal-lg { max-width: 800px; }
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none; border: none;
  cursor: pointer; color: var(--gray-400);
  font-size: 18px; padding: 4px;
  transition: color .2s;
}
.modal-close:hover { color: var(--gray-700); }
.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ===========================
   검색/필터 바
=========================== */
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filter-bar input,
.filter-bar select {
  width: auto;
  min-width: 200px;
}
.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}
.search-input-wrap i {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}
.search-input-wrap input { padding-left: 36px; }

/* ===========================
   페이지네이션
=========================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 0 0;
}
.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-700);
  cursor: pointer;
  font-size: 13px;
  transition: background .2s;
}
.pagination button:hover:not(:disabled) { background: var(--gray-100); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }
.pagination-info { font-size: 13px; color: var(--gray-500); margin: 0 8px; }

/* ===========================
   토스트
=========================== */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  min-width: 240px;
  animation: slideIn .3s ease;
}
.toast-success { background: #fff; border-left: 4px solid var(--success); color: var(--gray-800); }
.toast-error { background: #fff; border-left: 4px solid var(--danger); color: var(--gray-800); }
.toast-info { background: #fff; border-left: 4px solid var(--primary); color: var(--gray-800); }
.toast i { font-size: 16px; }
.toast-success i { color: var(--success); }
.toast-error i { color: var(--danger); }
.toast-info i { color: var(--primary); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===========================
   기타 유틸
=========================== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-400); font-size: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; display: block; }
.empty-state p { font-size: 14px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--gray-700);
}
.checkbox-label input[type="checkbox"] {
  width: 16px; height: 16px;
  cursor: pointer;
}

/* 숫자 우측 정렬 */
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* 로딩 */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--gray-400);
  gap: 10px;
}