/* ============================================================
   layout.css — 侧边栏 / 顶栏 / 内容区
   ============================================================ */

.layout {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   侧边栏
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform .3s, background .25s;
  overflow-y: auto;
}

.sidebar::-webkit-scrollbar-thumb {
  background: #232a44;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 22px;
  font-weight: 700;
  font-size: 17px;
  color: #fff;
}

.sidebar .brand .logo-badge {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--primary-grad);
  display: grid;
  place-items: center;
  font-size: 17px;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .5);
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 11px;
  color: #cbd5e1;
  font-weight: 500;
  transition: all .18s;
  position: relative;
}

.sidebar nav a .ico {
  width: 20px;
  text-align: center;
  font-size: 15px;
  display: grid;
  place-items: center;
}

.sidebar nav a:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.sidebar nav a.active {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .45);
}

.sidebar nav .section-title {
  color: #475569;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  padding: 16px 14px 6px;
}

.side-badge {
  margin-left: auto;
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff !important;
  font-size: 11px;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  box-shadow: 0 2px 6px rgba(239, 68, 68, .55);
  line-height: 1;
}

/* ============================================================
   主区域
   ============================================================ */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   顶栏
   ============================================================ */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 14px;
}

.topbar .page-title {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

.topbar .hamburger {
  display: none;
  background: transparent;
  border: 0;
  font-size: 22px;
  cursor: pointer;
  color: var(--text);
  padding: 4px 8px;
}

.topbar .spacer {
  flex: 1;
}

/* ============================================================
   图标按钮
   ============================================================ */
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1.5px solid var(--border);
  background: var(--card);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 16px;
  transition: all .18s;
  position: relative;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--bg);
  border-color: var(--border-2);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn .num-dot {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff !important;
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 2px var(--card), 0 2px 6px rgba(239, 68, 68, .55);
  line-height: 1;
}

/* ============================================================
   顶栏用户
   ============================================================ */
.topbar-user {
  position: relative;
  flex-shrink: 0;
}

.topbar-user .avatar-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border);
  cursor: pointer;
  background: var(--primary-grad);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  transition: all .2s;
  padding: 0;
}

.topbar-user .avatar-btn img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  display: block;
}

.topbar-user .avatar-btn:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
}

.user-dropdown {
  position: absolute;
  top: 52px;
  right: 0;
  min-width: 230px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  display: none;
  z-index: 300;
}

.user-dropdown.active {
  display: block;
  animation: pop .2s ease;
}

@keyframes pop {
  from { opacity: 0; transform: scale(.94) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.user-dropdown .head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

.user-dropdown .head .avatar-btn {
  width: 38px;
  height: 38px;
  font-size: 14px;
  border: none;
  cursor: default;
}

.user-dropdown .head .name {
  font-weight: 700;
  font-size: 13.5px;
}

.user-dropdown .head .role {
  color: var(--muted);
  font-size: 11.5px;
}

.user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13.5px;
  color: var(--text);
  transition: background .15s;
}

.user-dropdown a svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
}

.user-dropdown a:hover {
  background: var(--bg);
}

.user-dropdown a.danger {
  color: var(--danger);
}

.user-dropdown .divider {
  height: 1px;
  background: var(--border);
  margin: 6px 4px;
}

/* ============================================================
   内容区
   ============================================================ */
.content {
  padding: var(--content-pad-y) var(--content-pad-x);
  width: 100%;
  max-width: none;
  flex: 1;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
  background: var(--card);
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.toolbar .spacer {
  flex: 1;
}

/* ============================================================
   数据范围提示
   ============================================================ */
.scope-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 12px;
}

.scope-tip.admin   { background: #fef2f2; color: #b91c1c; }
.scope-tip.manager { background: #fff7ed; color: #c2410c; }
.scope-tip.sales   { background: #eef2ff; color: #4338ca; }

/* ============================================================
   Flash
   ============================================================ */
.flash {
  padding: 13px 18px;
  border-radius: 13px;
  margin-bottom: 16px;
  font-size: 13.5px;
  font-weight: 500;
  animation: slideDown .3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.flash-success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.flash-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* ============================================================
   响应式
   ============================================================ */

/* 平板（≤992px）：侧边栏隐藏，汉堡按钮出现 */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0, 0, 0, .5);
  }
  .main {
    margin-left: 0;
  }
  .topbar .hamburger {
    display: block;
  }
}

/* 手机（≤640px）：顶栏更矮，标题隐藏 */
@media (max-width: 640px) {
  .topbar {
    padding: 0 16px;
    gap: 8px;
    height: 60px;
  }
  .topbar .page-title {
    display: none;
  }
  .topbar-user .avatar-btn {
    width: 36px;
    height: 36px;
  }
  .icon-btn {
    width: 36px;
    height: 36px;
  }
  .icon-btn svg {
    width: 16px;
    height: 16px;
  }
  .content {
    padding: 16px;
  }
  .toolbar {
    padding: 12px;
  }
  .user-dropdown {
    right: -8px;
    min-width: 200px;
  }
}

/* 超小屏（≤420px）：进一步压缩 */
@media (max-width: 420px) {
  .icon-btn {
    width: 34px;
    height: 34px;
  }
  .topbar-user .avatar-btn {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }
}