/* ============================================================
   安培精灵后台 - 样式
   ============================================================ */

.admin-body {
    background: var(--bg);
}

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

/* ---------------------------------------------- 侧边栏 */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 232px;
    display: flex;
    flex-direction: column;
    padding: 18px 14px;
    background: rgba(11, 17, 31, .96);
    border-right: 1px solid var(--line);
    z-index: 70;
    transition: transform .24s ease;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px 20px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
}

.admin-brand:hover {
    color: var(--text);
}

.admin-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
    padding-top: 6px;
}

.admin-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--muted);
    font-size: 14px;
    border: 1px solid transparent;
    transition: background .16s ease, color .16s ease, border-color .16s ease;
}

.admin-menu-item .ico {
    opacity: .8;
}

.admin-menu-item:hover {
    color: var(--text);
    background: rgba(255, 255, 255, .04);
}

.admin-menu-item.is-active {
    color: var(--teal);
    background: var(--teal-soft);
    border-color: rgba(94, 234, 212, .22);
}

.admin-menu-item.is-active .ico {
    opacity: 1;
}

.admin-sidebar-foot {
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.admin-sidebar-foot a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--dim);
    font-size: 13px;
}

.admin-sidebar-foot a:hover {
    color: var(--muted);
    background: rgba(255, 255, 255, .04);
}

/* ---------------------------------------------- 主区域 */
.admin-main {
    flex: 1;
    min-width: 0;
    margin-left: 232px;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 64px;
    padding: 0 24px;
    background: rgba(7, 11, 20, .94);
    border-bottom: 1px solid var(--line);
}

.admin-title {
    font-size: 16px;
    font-weight: 600;
}

.admin-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-user-name {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    margin-right: 4px;
}

.admin-user-name .ico {
    color: var(--teal);
}

.admin-nav-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.admin-content {
    padding: 24px;
    flex: 1;
}

/* ---------------------------------------------- 统计卡片 */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}

.stat-grid--5 {
    grid-template-columns: repeat(5, 1fr);
}

.stat-card {
    padding: 18px 20px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--card);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: "";
    position: absolute;
    width: 120px;
    height: 120px;
    right: -60px;
    top: -60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(94, 234, 212, .12), transparent 70%);
}

.stat-card .label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: .04em;
}

.stat-card .label .ico {
    color: var(--teal);
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-top: 8px;
    line-height: 1.1;
}

.stat-card .value.purple {
    color: var(--purple);
}

.stat-card .value.teal {
    color: var(--teal);
}

.stat-card .sub {
    font-size: 12px;
    color: var(--dim);
    margin-top: 6px;
}

/* ---------------------------------------------- 内容排版 */
.admin-content .card {
    margin-bottom: 18px;
}

.admin-content .card:last-child {
    margin-bottom: 0;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.split .card {
    margin-bottom: 0;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
}

.filters .form-input,
.filters .form-select {
    width: auto;
    min-width: 140px;
    flex: 0 1 180px;
}

.filters .spacer {
    flex: 1;
}

.filter-note {
    font-size: 12px;
    color: var(--dim);
}

.form-panel {
    padding: 20px;
}

.form-panel .form-actions {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.help-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

.code-cell {
    font-family: Consolas, "Courier New", monospace;
    font-size: 12px;
    letter-spacing: .02em;
    color: var(--teal);
}

.gen-box {
    margin: 0 0 18px;
    padding: 18px;
    border-radius: 14px;
    border: 1px solid rgba(94, 234, 212, .35);
    background: rgba(94, 234, 212, .06);
}

.gen-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.gen-head h3 {
    margin: 0;
    font-size: 15px;
    color: var(--teal);
}

/* ---------------------------------------------- 后台登录 */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.admin-login-card {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    border-radius: 18px;
    border: 1px solid var(--line-strong);
    background: var(--card);
    box-shadow: var(--shadow);
}

.admin-login-head {
    text-align: center;
    margin-bottom: 24px;
}

.admin-login-head .brand-mark {
    margin: 0 auto 12px;
}

.admin-login-head .brand-mark--img {
    width: 56px;
    height: 56px;
}

.admin-login-head h1 {
    font-size: 20px;
    margin-bottom: 4px;
}

.admin-login-head p {
    color: var(--muted);
    font-size: 13px;
    margin: 0;
}

.admin-login-foot {
    margin-top: 18px;
    text-align: center;
    font-size: 12px;
    color: var(--dim);
}

.sidebar-mask {
    display: none;
}

/* ---------------------------------------------- 响应式 */
@media (max-width: 1180px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 980px) {
    .admin-sidebar {
        transform: translateX(-100%);
        box-shadow: 30px 0 60px -30px rgba(0, 0, 0, .9);
    }

    .admin-sidebar.is-open {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }

    .admin-nav-toggle {
        display: inline-flex;
    }

    .sidebar-mask {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 60;
        background: rgba(3, 6, 12, .62);
    }

    .sidebar-mask.is-open {
        display: block;
    }

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

@media (max-width: 680px) {
    .admin-content {
        padding: 16px;
    }

    .admin-topbar {
        padding: 0 14px;
    }

    .admin-title {
        font-size: 14px;
    }

    .admin-user .btn {
        padding: 5px 9px;
    }

    .admin-user-name {
        display: none;
    }

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