/* ============================================================
   进销存系统 - 设计令牌与自定义样式
   色板：工业蓝  |  字体：Noto Sans SC + JetBrains Mono
   ============================================================ */

:root {
    /* ---- 品牌色 ---- */
    --brand: #1E50A2;
    --brand-hover: #2E63B8;
    --brand-deep: #16305C;
    --brand-soft: #EAF0FA;
    --brand-border: #C7D7EE;

    /* ---- 语义色 ---- */
    --success: #0E9F6E;
    --success-soft: #E6F6F0;
    --warning: #D97706;
    --warning-soft: #FDF3E3;
    --danger: #DC2626;
    --danger-soft: #FDECEC;
    --info: #0E7490;
    --info-soft: #E6F4F7;

    /* ---- 中性色 ---- */
    --page-bg: #F4F5F7;
    --card-bg: #FFFFFF;
    --border: #E4E4E7;
    --border-strong: #D4D4D8;
    --text-primary: #18191C;
    --text-secondary: #52525B;
    --text-muted: #8A8A94;

    /* ---- 侧边栏（深色） ---- */
    --sidebar-w: 216px;
    --sidebar-bg: #16305C;
    --sidebar-bg-deep: #102547;
    --sidebar-text: rgba(255, 255, 255, 0.72);
    --sidebar-text-active: #FFFFFF;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-active: rgba(255, 255, 255, 0.14);

    /* ---- 尺寸 ---- */
    --topbar-h: 60px;
    --row-h: 44px;
    --radius-card: 10px;
    --radius-button: 6px;

    /* ---- 阴影 ---- */
    --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
    --shadow-pop: 0 8px 24px rgba(16, 24, 40, 0.12);

    /* ---- 兼容旧变量名 ---- */
    --sidebar-width: var(--sidebar-w);
    --primary-color: var(--brand);

    /* ---- 字体 ---- */
    --font-sans: "Noto Sans SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Courier New", monospace;
}

/* ============================================================
   基础
   ============================================================ */
body {
    background-color: var(--page-bg);
    font-family: var(--font-sans);
    color: var(--text-primary);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); }
a:hover { color: var(--brand-hover); }

/* 所有数字类内容统一等宽数字，保证表格纵向对齐 */
.num,
code,
.stat-value,
.table td.num,
.mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

code {
    color: var(--text-secondary);
    background: #F4F4F5;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    border: 1px solid var(--border);
}

/* ============================================================
   侧边栏
   ============================================================ */
.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: var(--sidebar-bg);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1045;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease;
}

.sidebar-header {
    padding: 18px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.brand-link:hover { text-decoration: none; }
.brand-logo {
    width: 32px; height: 32px; flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}
.brand-text {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.sidebar-nav {
    padding: 8px 10px 24px;
    overflow-y: auto;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* 分组标题 */
.nav-group-title {
    color: rgba(255, 255, 255, 0.38);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 18px 8px 6px;
    text-transform: uppercase;
}
.nav-group-title:first-child { padding-top: 6px; }

.sidebar-nav .nav-link {
    color: var(--sidebar-text);
    padding: 9px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    line-height: 20px;
    border-radius: var(--radius-button);
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.sidebar-nav .nav-link i {
    font-size: 16px;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.9;
}
.sidebar-nav .nav-link:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}
.sidebar-nav .nav-link.active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
    font-weight: 600;
}
.sidebar-nav .nav-link.active i { opacity: 1; }

/* “核心”标签 */
.nav-tag {
    margin-left: auto;
    font-size: 10px;
    font-weight: 600;
    line-height: 1;
    padding: 3px 6px;
    border-radius: 4px;
    background: var(--brand-hover);
    color: #fff;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* 移动端遮罩层 */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(16, 24, 40, 0.45);
    z-index: 1040;
    opacity: 0;
    transition: opacity 0.25s ease;
}
.sidebar-backdrop.show { display: block; opacity: 1; }

/* ============================================================
   主内容区
   ============================================================ */
.main-content {
    margin-left: var(--sidebar-w);
    width: calc(100% - var(--sidebar-w));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.topbar {
    height: var(--topbar-h);
    flex-shrink: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 1030;
}
.topbar .page-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.topbar .user-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.page-body { padding: 20px 24px 32px; }

/* ============================================================
   卡片
   ============================================================ */
.card {
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-card);
    background: var(--card-bg);
}
.card-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 18px;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-header h6,
.card-header .card-title {
    margin: 0;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-primary);
}
.card-body { padding: 18px; }

/* 页头（列表页统一） */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.page-header .page-header-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: 0.2px;
}
.page-header .page-header-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin: 4px 0 0;
}

/* ============================================================
   统计卡片
   ============================================================ */
.stat-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    background: var(--card-bg);
    box-shadow: var(--shadow-card);
    padding: 18px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.stat-card .stat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}
.stat-card .stat-icon {
    width: 34px; height: 34px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex-shrink: 0;
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
}
.stat-card .stat-foot {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 统计卡配色（工业蓝语义） */
.stat-card.tone-brand .stat-icon { background: var(--brand-soft); color: var(--brand); }
.stat-card.tone-success .stat-icon { background: var(--success-soft); color: var(--success); }
.stat-card.tone-warning .stat-icon { background: var(--warning-soft); color: var(--warning); }
.stat-card.tone-info .stat-icon { background: var(--info-soft); color: var(--info); }

/* ============================================================
   按钮
   ============================================================ */
.btn {
    border-radius: var(--radius-button);
    font-size: 13.5px;
    font-weight: 500;
    padding: 7px 14px;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--brand-hover);
    border-color: var(--brand-hover);
    color: #fff;
}
.btn-primary:disabled { background: var(--brand); border-color: var(--brand); opacity: 0.55; }

.btn-success { background: var(--success); border-color: var(--success); }
.btn-success:hover, .btn-success:focus { background: #0B8558; border-color: #0B8558; }

.btn-outline-primary { color: var(--brand); border-color: var(--brand-border); background: #fff; }
.btn-outline-primary:hover, .btn-outline-primary:focus {
    background: var(--brand); border-color: var(--brand); color: #fff;
}
.btn-outline-secondary { color: var(--text-secondary); border-color: var(--border-strong); background: #fff; }
.btn-outline-secondary:hover, .btn-outline-secondary:focus {
    background: #F4F4F5; border-color: var(--border-strong); color: var(--text-primary);
}
.btn-outline-danger { color: var(--danger); border-color: #F3C4C4; background: #fff; }
.btn-outline-danger:hover, .btn-outline-danger:focus { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; border-radius: 5px; }
.btn-link { color: var(--brand); text-decoration: none; }
.btn-link:hover { color: var(--brand-hover); text-decoration: underline; }

/* ============================================================
   表单
   ============================================================ */
.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 5px;
}
.form-control,
.form-select {
    border-radius: var(--radius-button);
    border-color: var(--border-strong);
    font-size: 13.5px;
    padding: 7px 11px;
    color: var(--text-primary);
}
.form-control:focus,
.form-select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.12);
}
.form-control::placeholder { color: var(--text-muted); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }
.form-check-input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.12); }
.form-control-sm, .form-select-sm { font-size: 13px; padding: 5px 9px; }

/* 筛选栏 */
.filter-card { border-radius: var(--radius-card); }
.filter-card .card-body { padding: 14px 18px; }
.filter-card .form-label { margin-bottom: 4px; font-size: 12.5px; }

/* ============================================================
   表格
   ============================================================ */
.table {
    margin-bottom: 0;
    color: var(--text-primary);
}
.table > :not(caption) > * > * { padding: 0 14px; }
.table thead th {
    height: 40px;
    font-weight: 600;
    font-size: 12.5px;
    color: var(--text-secondary);
    background: #FAFAFB;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    vertical-align: middle;
    letter-spacing: 0.2px;
}
.table tbody td {
    height: var(--row-h);
    vertical-align: middle;
    font-size: 13.5px;
    border-bottom: 1px solid #F0F0F2;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #FAFBFC; }
.table td.text-end,
.table th.text-end { text-align: right; }
.table .cell-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 28px 14px;
    font-size: 13.5px;
}

/* 表内操作按钮组 */
.row-actions { display: inline-flex; gap: 6px; align-items: center; }

/* 状态徽标 */
.badge {
    font-weight: 500;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 5px;
    line-height: 1.4;
}
.badge-soft-success { background: var(--success-soft); color: var(--success); }
.badge-soft-warning { background: var(--warning-soft); color: var(--warning); }
.badge-soft-danger { background: var(--danger-soft); color: var(--danger); }
.badge-soft-brand { background: var(--brand-soft); color: var(--brand); }
.badge-soft-muted { background: #F4F4F5; color: var(--text-secondary); }

/* ============================================================
   分页
   ============================================================ */
.pagination { margin: 0; gap: 4px; }
.pagination .page-link {
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    background: #fff;
    font-family: var(--font-mono);
}
.pagination .page-link:hover { background: #F4F4F5; color: var(--text-primary); }
.pagination .page-item.active .page-link {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
.pagination .page-item.disabled .page-link { color: var(--text-muted); background: #FAFAFB; }
.pagination-info { font-size: 12.5px; color: var(--text-muted); }

/* ============================================================
   工作台：流程步骤条
   ============================================================ */
.flow-steps {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 14px 18px;
    box-shadow: var(--shadow-card);
    overflow-x: auto;
}
.flow-step {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-shrink: 0;
}
.flow-step .step-dot {
    width: 24px; height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-mono);
    background: #F4F4F5;
    color: var(--text-muted);
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.flow-step .step-label { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.flow-step.done .step-dot { background: var(--success-soft); color: var(--success); border-color: #BEE6D7; }
.flow-step.done .step-label { color: var(--text-secondary); }
.flow-step.active .step-dot {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.14);
}
.flow-step.active .step-label { color: var(--brand); font-weight: 600; }
.flow-line {
    flex: 1 1 auto;
    min-width: 24px;
    height: 1px;
    background: var(--border);
    margin: 0 10px;
}
.flow-line.done { background: #BEE6D7; }

/* 工作台输入格 */
.qty, .price {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    text-align: right;
}
.subtotal, .grand-total-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}
.grand-total-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    padding: 14px 18px;
    border-top: 1px solid var(--border);
    background: #FAFBFC;
    border-radius: 0 0 var(--radius-card) var(--radius-card);
}
.grand-total-bar .label { font-size: 13.5px; color: var(--text-secondary); }
.grand-total-bar .grand-total-value { font-size: 22px; color: var(--brand); font-weight: 700; }

/* 未保存提示 */
.dirty-tip {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--warning);
    background: var(--warning-soft);
    padding: 5px 10px;
    border-radius: 6px;
}
.dirty-tip.show { display: inline-flex; }

/* ============================================================
   登录页
   ============================================================ */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    flex-direction: column;
    background: var(--sidebar-bg);
    background-image:
        radial-gradient(circle at 18% 22%, rgba(46, 99, 184, 0.55) 0%, transparent 45%),
        radial-gradient(circle at 82% 78%, rgba(22, 48, 92, 0.9) 0%, transparent 50%),
        linear-gradient(160deg, #16305C 0%, #102547 100%);
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: 14px;
    padding: 36px 32px 30px;
    width: 100%;
    max-width: 392px;
    box-shadow: var(--shadow-pop);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.login-logo {
    width: 72px; height: 72px; margin-bottom: 10px;
    filter: drop-shadow(0 6px 16px rgba(30, 80, 162, 0.28));
}
.login-system-name {
    background: linear-gradient(90deg, var(--brand) 0%, var(--brand-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}
.login-card .form-label { font-size: 13px; }
.login-card .form-control { height: 42px; }
.login-card .btn-primary { height: 42px; font-size: 14px; font-weight: 600; }
.login-card .input-group-text {
    border-color: var(--border-strong);
    color: var(--text-muted);
    border-radius: var(--radius-button) 0 0 var(--radius-button) !important;
}
.login-card .input-group .form-control { border-radius: 0 var(--radius-button) var(--radius-button) 0; }
.login-card .input-group:focus-within .input-group-text { border-color: var(--brand); color: var(--brand); }
.login-foot { color: rgba(255, 255, 255, 0.55); font-size: 12.5px; margin-top: 18px; }

/* ============================================================
   提示条
   ============================================================ */
.alert {
    border-radius: var(--radius-button);
    border: 1px solid transparent;
    font-size: 13.5px;
    padding: 10px 14px;
}
.alert-success { background: var(--success-soft); border-color: #BEE6D7; color: #0B6B4A; }
.alert-warning { background: var(--warning-soft); border-color: #F2D9AE; color: #8A4B05; }
.alert-danger  { background: var(--danger-soft);  border-color: #F3C4C4; color: #A81B1B; }
.alert-info    { background: var(--info-soft);    border-color: #BEE0E7; color: #0B5566; }

/* ============================================================
   工具类
   ============================================================ */
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; width: 100%; }
    .topbar { padding: 0 14px; }
    .page-body { padding: 14px 14px 24px; }
    .page-header .page-header-title { font-size: 17px; }
    .stat-card .stat-value { font-size: 22px; }
    .login-card { padding: 28px 22px 24px; }
}

@media print {
    .sidebar, .topbar, .page-header .btn, .row-actions, .pagination { display: none !important; }
    .main-content { margin-left: 0; width: 100%; }
    .page-body { padding: 0; }
    body { background: #fff; }
}