/* 사이드바 + 메인 레이아웃 */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
  transition: grid-template-columns var(--t-base);
}
.app.sidebar-collapsed {
  grid-template-columns: 64px 1fr;
}

/* ─── Sidebar */
.sidebar {
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
  transition: width var(--t-base);
}
.app.sidebar-collapsed .sidebar { /* 컴팩트 모드 */ }
.app.sidebar-collapsed .sidebar-brand .name,
.app.sidebar-collapsed .sidebar-brand .tag,
.app.sidebar-collapsed .sidebar-user,
.app.sidebar-collapsed .nav-section-title,
.app.sidebar-collapsed .nav-item span:not(.badge-count),
.app.sidebar-collapsed .nav-item .badge-count {
  display: none;
}
.app.sidebar-collapsed .sidebar-brand { justify-content: center; padding: 22px 8px; }
.app.sidebar-collapsed .nav-item { justify-content: center; padding: 10px 8px; }

.sidebar-brand {
  padding: 22px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--c-border-soft);
}
.sidebar-brand .logo {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-hover));
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, .3);
}
.sidebar-brand .logo .icon { width: 18px; height: 18px; }
.sidebar-brand .name { font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.sidebar-brand .tag { color: var(--c-text-muted); font-size: 11px; margin-top: 2px; }

/* ─── 사이드바 사용자 카드 (프리미엄 톤) */
.sidebar-user {
  margin: 14px;
  padding: 14px;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(59, 130, 246, .06), transparent 60%),
    linear-gradient(180deg, #FFFFFF, #F8FAFC);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 1px 2px rgba(15, 23, 42, .04),
    0 6px 16px rgba(15, 23, 42, .04);
  position: relative;
  overflow: hidden;
}
.sidebar-user.is-manager {
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(99, 102, 241, .08), transparent 55%),
    radial-gradient(120% 80% at 0% 100%, rgba(15, 23, 42, .035), transparent 60%),
    linear-gradient(180deg, #FFFFFF, #F8FAFC);
}

.sidebar-user .su-head {
  display: flex; align-items: center; gap: 11px;
  position: relative;
  z-index: 1;
}
.sidebar-user .su-avatar {
  width: 40px; height: 40px;
  flex: 0 0 40px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #FFFFFF;
  font-weight: 700; font-size: 15px;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .15),
    0 2px 8px rgba(15, 23, 42, .18);
  text-transform: uppercase;
}
.sidebar-user.is-manager .su-avatar {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .25),
    0 2px 10px rgba(99, 102, 241, .35);
}

.sidebar-user .su-info {
  min-width: 0;
  display: flex; flex-direction: column; gap: 3px;
  flex: 1;
}
.sidebar-user .su-name-row {
  display: flex; align-items: center; gap: 6px;
  min-width: 0;
}
.sidebar-user .su-name {
  font-weight: 700; font-size: var(--fs-body);
  letter-spacing: -.01em;
  color: var(--c-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-user .su-role {
  display: inline-flex; align-items: center;
  height: 17px; padding: 0 7px;
  border-radius: 999px;
  font-size: 10px; font-weight: 700;
  line-height: 1;
  letter-spacing: -.005em;
  flex: 0 0 auto;
  background: rgba(99, 102, 241, .12);
  color: var(--c-accent-text);
  border: 1px solid rgba(99, 102, 241, .2);
}
.sidebar-user .su-role.admin {
  background: rgba(15, 23, 42, .06);
  color: var(--c-text-secondary);
  border-color: var(--c-border);
}
.sidebar-user .su-company {
  font-size: 11.5px;
  color: var(--c-text-muted);
  letter-spacing: -.005em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* 마일리지 (어드민 전용) */
.sidebar-user .su-mileage {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid rgba(37, 99, 235, .16);
  position: relative;
  z-index: 1;
}
.sidebar-user .su-mileage-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 10.5px;
  font-weight: 600;
  color: #1E40AF;
  margin-bottom: 4px;
  letter-spacing: -.005em;
  text-transform: uppercase;
}
.sidebar-user .su-mileage-label .icon { width: 12px; height: 12px; }
.sidebar-user .su-mileage-value {
  display: flex; align-items: baseline; gap: 4px;
  font-weight: 700;
  font-size: 17px;
  color: #1E3A8A;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.sidebar-user .su-mileage .su-unit {
  font-size: 11px; font-weight: 600;
  color: #2563EB;
}

.sidebar-nav {
  flex: 1;
  padding: 10px 12px;
  overflow-y: auto;
}
.nav-section {
  margin-top: 14px;
}
.nav-section-title {
  padding: 6px 12px 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-text-muted);
  text-transform: uppercase;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-md);
  color: var(--c-text-secondary);
  font-size: var(--fs-body);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  position: relative;
}
.nav-item:hover { background: var(--c-surface); color: var(--c-text); }
.nav-item .icon { width: 18px; height: 18px; flex: 0 0 18px; color: var(--c-text-muted); }
.nav-item:hover .icon { color: var(--c-text-secondary); }
.nav-item .badge-count {
  margin-left: auto;
  background: var(--c-surface);
  color: var(--c-text-secondary);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-border);
  font-weight: 700;
}
.nav-item.active {
  background: var(--c-accent-soft);
  color: var(--c-accent-text);
  font-weight: 700;
}
.nav-item.active .icon { color: var(--c-accent); }
.nav-item.active::before {
  content: ''; position: absolute; left: 4px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 2px; background: var(--c-accent);
}
.nav-item.active .badge-count { background: #fff; color: var(--c-accent-text); border-color: transparent; }

.sidebar-foot {
  border-top: 1px solid var(--c-border-soft);
  padding: 12px;
}

/* ─── Main */
.main {
  display: flex; flex-direction: column;
  min-width: 0;
}
.topbar {
  height: var(--topbar-h);
  background: var(--c-header-bg);
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center;
  padding: 0 var(--container-pad);
  gap: 16px;
  position: sticky; top: 0; z-index: 10;
}
.topbar .crumbs { display: flex; align-items: center; gap: 8px; color: var(--c-text-muted); font-size: var(--fs-small); }
.topbar .crumbs .sep { color: var(--c-border-strong); }
.topbar .crumbs .here { color: var(--c-text); font-weight: 700; font-size: var(--fs-body); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* 햄버거 토글 버튼 */
.topbar .hamburger {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-text-secondary);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.topbar .hamburger:hover { background: var(--c-surface); color: var(--c-text); }
.topbar .hamburger .icon { width: 18px; height: 18px; }

/* ─── 상단 사용자 메뉴 + 드롭다운 (프리미엄 톤) */
.user-menu { position: relative; }
.user-menu .user-trigger {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
  color: #FFFFFF;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  letter-spacing: -.01em;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .15),
    0 1px 2px rgba(15, 23, 42, .15);
  transition: box-shadow var(--t-fast), transform var(--t-fast);
}
.user-menu.um-manager .user-trigger {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .25),
    0 2px 8px rgba(99, 102, 241, .35);
}
.user-menu .user-trigger:hover {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .18),
    0 6px 14px rgba(15, 23, 42, .2);
}
.user-menu.um-manager .user-trigger:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .28),
    0 6px 16px rgba(99, 102, 241, .45);
}
.user-menu.open .user-trigger {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .15),
    0 0 0 3px rgba(15, 23, 42, .12);
}
.user-menu.um-manager.open .user-trigger {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .25),
    0 0 0 3px rgba(99, 102, 241, .25);
}

.user-menu .dropdown {
  position: absolute; right: 0; top: calc(100% + 10px);
  width: 280px;
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 14px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .8) inset,
    0 1px 3px rgba(15, 23, 42, .06),
    0 14px 30px -10px rgba(15, 23, 42, .18);
  padding: 8px;
  display: none;
  animation: umIn 140ms cubic-bezier(.2, .9, .3, 1.05);
  transform-origin: top right;
}
@keyframes umIn {
  from { opacity: 0; transform: translateY(-4px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
.user-menu.open .dropdown { display: block; }

/* 사용자 카드 */
.user-menu .um-card {
  display: flex; align-items: center; gap: 11px;
  padding: 10px;
  margin-bottom: 4px;
  border-radius: 10px;
  background: linear-gradient(180deg, #FFFFFF, #F8FAFC);
  border: 1px solid var(--c-border-soft);
}
.user-menu .um-avatar {
  width: 40px; height: 40px;
  flex: 0 0 40px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #FFFFFF;
  font-weight: 700; font-size: 15px;
  background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .15),
    0 2px 6px rgba(15, 23, 42, .15);
  text-transform: uppercase;
}
.user-menu.um-manager .um-avatar {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .25),
    0 2px 8px rgba(99, 102, 241, .3);
}
.user-menu .um-meta { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.user-menu .um-name-row { display: flex; align-items: center; gap: 6px; min-width: 0; }
.user-menu .um-name {
  font-weight: 700; font-size: var(--fs-body);
  letter-spacing: -.01em;
  color: var(--c-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.user-menu .um-role {
  display: inline-flex; align-items: center;
  height: 17px; padding: 0 7px;
  border-radius: 999px;
  font-size: 10px; font-weight: 700;
  flex: 0 0 auto;
  background: rgba(15, 23, 42, .06);
  color: var(--c-text-secondary);
  border: 1px solid var(--c-border);
}
.user-menu .um-role.manager {
  background: rgba(99, 102, 241, .12);
  color: var(--c-accent-text);
  border-color: rgba(99, 102, 241, .22);
}
.user-menu .um-company {
  font-size: 11.5px;
  color: var(--c-text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* 마일리지 카드 (어드민 전용) */
.user-menu .um-mileage {
  margin: 0 0 6px;
  padding: 10px 12px;
  border-radius: 10px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid rgba(37, 99, 235, .16);
}
.user-menu .um-mileage-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: #1E40AF;
  margin-bottom: 4px;
  letter-spacing: -.005em;
  text-transform: uppercase;
}
.user-menu .um-mileage-value {
  display: flex; align-items: baseline; gap: 4px;
  font-weight: 700;
  font-size: 18px;
  color: #1E3A8A;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.user-menu .um-unit {
  font-size: 11px; font-weight: 600;
  color: #2563EB;
}

.user-menu .um-divider {
  height: 1px;
  margin: 4px 4px 4px;
  background: var(--c-border-soft);
}

.user-menu .dropdown .item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--c-text-secondary);
  cursor: pointer;
  font-size: var(--fs-body);
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
}
.user-menu .dropdown .item:hover { background: var(--c-surface); color: var(--c-text); }
.user-menu .dropdown .item .icon { width: 16px; height: 16px; }
.user-menu .dropdown .item.danger { color: var(--c-danger-text); }
.user-menu .dropdown .item.danger:hover { background: var(--c-danger-soft); }

.view {
  flex: 1;
  padding: 28px var(--container-pad);
}

/* 모바일 백드롭 (사이드바가 오버레이로 뜰 때) */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .35);
  z-index: 9;
}

/* responsive */
@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .app.sidebar-collapsed { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w); z-index: 11;
    transform: translateX(-100%);
    transition: transform var(--t-base);
    box-shadow: var(--shadow-lg);
  }
  .app.sidebar-open .sidebar { transform: translateX(0); }
  .app.sidebar-open .sidebar-backdrop { display: block; }
  .stat-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .stat-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head .right { width: 100%; flex-wrap: wrap; }
}