/* =========================================================================
   Optima Merchant — Light "Modern SaaS" theme  (top horizontal navigation)
   Rewritten from the original left-sidebar theme.
   Backend contracts unchanged: only visual layer + menu markup differ.
   ========================================================================= */

:root {
  --bg:            #f4f6fb;
  --surface:       #ffffff;
  --surface-2:     #f8f9fc;
  --border:        #e8eaf2;
  --border-strong: #d9dced;

  --text:          #1b2138;
  --text-2:        #4b5266;
  --muted:         #8b91a6;

  --primary:       #4f46e5;
  --primary-600:   #4338ca;
  --primary-700:   #3730a3;
  --primary-50:    #eef2ff;
  --primary-100:   #e0e7ff;
  --primary-grad:  linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);

  --success:       #16a34a;
  --success-50:    #ecfdf3;
  --danger:        #ef4444;
  --danger-50:     #fef2f2;
  --warning:       #f59e0b;
  --info:          #0ea5e9;

  --radius-lg:     16px;
  --radius:        12px;
  --radius-sm:     8px;

  --shadow-sm:     0 1px 2px rgba(16,24,40,.05);
  --shadow:        0 1px 3px rgba(16,24,40,.06), 0 6px 20px rgba(16,24,40,.06);
  --shadow-lg:     0 12px 40px rgba(16,24,40,.12);

  --nav-h:         62px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-600); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #d3d7e6; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #b9bfd6; background-clip: content-box; }

/* =========================================================================
   LAYOUT  — outer .x-layout wraps the fixed top nav (#menu) + <main>
   ========================================================================= */
body > .x-layout {
  display: block;
  min-height: 100vh;
  padding-top: var(--nav-h);
}

/* ---- Top navigation bar (was the left sidebar #menu) ---- */
#menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  width: 100% !important;
  background: var(--surface) !important;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(16,24,40,.02), 0 4px 16px rgba(16,24,40,.04);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 1000;
}

#menu .x-navbar-logo,
.x-navbar-logo {
  height: auto;
  padding: 0 !important;
  margin-right: 26px;
  width: auto !important;
  text-align: left;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}
#menu .x-navbar-logo img { width: 150px !important; height: auto; display: block; }
#menu .x-navbar-logo .line { display: none; }

/* menu list wrapper */
#menu #menu_list {
  display: flex;
  flex: 1 1 auto;
  height: 100%;
  align-items: stretch;
  overflow: visible;
}

/* the <ul> that app.js fills */
#menu_ui_box {
  display: flex !important;
  align-items: center;
  gap: 2px;
  height: 100% !important;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  background: none !important;
  border: none !important;
}
/* neutralise the leftover empty placeholder + any layui uinfo block */
#menu_ui_box .uinfo,
#menu_ui_box #menu_first { display: none !important; }

/* reset layui vertical-tree behaviour inside the bar */
#menu_ui_box.layui-nav-tree .layui-nav-bar { display: none; }
#menu_ui_box li { line-height: normal; }

/* ---- top level nav item ---- */
.tnav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}
.tnav-item > a {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 14px;
  margin: 0 1px;
  border-radius: var(--radius-sm);
  color: var(--text-2) !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  white-space: nowrap;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.tnav-item > a:hover {
  background: var(--primary-50);
  color: var(--primary) !important;
}
.tnav-item.tnav-active > a {
  background: var(--primary-50);
  color: var(--primary) !important;
}
.tnav-item.has-child > a::after {
  content: "";
  width: 7px; height: 7px;
  margin-left: 2px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: .55;
  transition: transform .15s;
}
.tnav-item.has-child:hover > a::after { transform: rotate(-135deg) translateY(-1px); }

/* ---- dropdown ---- */
.tnav-sub {
  position: absolute;
  top: calc(100% - 6px);
  left: 6px;
  min-width: 168px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 1001;
}
.tnav-item:hover .tnav-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.tnav-sub li { display: block; }
.tnav-sub a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-2) !important;
  font-size: 13.5px !important;
  font-weight: 500 !important;
  white-space: nowrap;
}
.tnav-sub a:hover { background: var(--primary-50); color: var(--primary) !important; }

/* ---- right-aligned user zone ---- */
.tnav-spacer { flex: 1 1 auto; }
.tnav-user {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding-left: 16px;
  margin-left: 6px;
  border-left: 1px solid var(--border);
}
.tnav-user .tnav-username {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  color: var(--text);
  font-size: 13.5px;
}
.tnav-user .tnav-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--primary-grad);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex: 0 0 auto;
}
.tnav-user .tnav-link {
  color: var(--muted) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}
.tnav-user .tnav-link:hover { color: var(--danger) !important; background: var(--danger-50); }
.tnav-user .tnav-link.tnav-link-muted:hover { color: var(--primary) !important; background: var(--primary-50); }

/* legacy sidebar login-out block (in case a page still emits it) */
.login-out { display: none !important; }

/* =========================================================================
   PAGE CONTENT
   ========================================================================= */
.x-layout-content { flex: 1; width: 100%; overflow-x: hidden; }

.x-page {
  padding: 26px 30px 40px;
  background: transparent !important;
  max-width: 1440px;
  margin: 0 auto;
}

/* page heading (was .welcome-main / .hello-txt / .tab-txt) */
.welcome-main, .mb.welcome-main { margin: 0 0 22px !important; }
.hello-txt {
  font-size: 0 !important;
  padding-top: 0 !important;
  position: static !important;
  display: flex !important;
  align-items: center;
  gap: 10px;
}
.hello-txt > img { display: none !important; }          /* hide the dated hi.png */
.hello-txt .tab-txt {
  position: static !important;
  display: inline-block !important;
  width: auto !important;
  top: auto !important;
  margin: 0 !important;
  font-size: 22px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  letter-spacing: .2px;
}

/* soften the inline "white box with hard shadow" wrappers used on list/form pages */
[style*="3px 3px 12px"] {
  box-shadow: var(--shadow) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  background: var(--surface) !important;
  padding: 22px !important;
}

.mb { margin-bottom: 20px; margin-top: 0; }

.x-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.x-title { font-size: 17px; font-weight: 700; margin-bottom: 16px; color: var(--text); }

.x-divider { width: 100%; height: 1px; background: var(--border); margin: 16px 0; }
.x-divider-dashed { width: 100%; height: 1px; margin: 16px 0; border-bottom: 1px dashed var(--border-strong); }

/* =========================================================================
   BUTTONS (layui)
   ========================================================================= */
.layui-btn {
  height: 38px;
  line-height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: filter .15s, background .15s, box-shadow .15s;
}
.layui-btn:hover { filter: brightness(.94); color: #fff; }
.layui-btn:active { filter: brightness(.88); }

.layui-btn-primary {
  background: var(--surface);
  color: var(--text-2);
  border: 1px solid var(--border-strong);
}
.layui-btn-primary:hover { background: var(--surface-2); color: var(--primary); border-color: var(--primary-100); }

.layui-btn-normal { background: var(--primary) !important; }
.layui-btn-warm   { background: var(--warning) !important; }
/* These pages use "danger" as the PRIMARY action colour (刷新/添加/保存/提交),
   not for destructive actions — map it to the brand primary for a cohesive look.
   Genuine delete actions on these pages are text links, not .layui-btn-danger. */
.layui-btn-danger { background: var(--primary) !important; }
.layui-btn-radius { border-radius: 999px; }
.layui-btn-disabled, .layui-btn-disabled:hover {
  background: #eceef4 !important; color: #b0b5c5 !important; border-color: var(--border) !important;
}
.layui-btn-sm { height: 32px; line-height: 32px; padding: 0 12px; font-size: 13px; }
.layui-btn-xs { height: 26px; line-height: 26px; padding: 0 9px; font-size: 12px; }
.layui-btn + .layui-btn { margin-left: 8px; }

.x-btn { width: 100px; }

/* =========================================================================
   FORMS / INPUTS (layui)
   ========================================================================= */
.layui-input, .layui-textarea, .layui-select {
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.layui-input:hover, .layui-textarea:hover { border-color: #c4c9de; }
.layui-input:focus, .layui-textarea:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
  outline: none;
}
.layui-textarea { min-height: 90px; }
.layui-form-label { color: var(--text-2); font-weight: 500; }
.layui-input-inline { margin-right: 10px; }

.layui-form-select dl { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 6px; }
.layui-form-select dl dd { border-radius: var(--radius-sm); }
.layui-form-select dl dd.layui-this { background: var(--primary-50); color: var(--primary); }
.layui-form-select dl dd:hover { background: var(--surface-2); }

/* switches / checkboxes accent */
.layui-form-onswitch { background-color: var(--primary) !important; border-color: var(--primary) !important; }
.layui-form-checked[lay-skin="primary"] i,
.layui-form-checkbox[lay-skin="primary"]:hover i { border-color: var(--primary) !important; }
.layui-form-checked[lay-skin="primary"] i { background-color: var(--primary) !important; }

.x-form-vertical .layui-form-label { float: none; padding: 9px 0; text-align: left; }
.x-form-vertical .layui-input-block { margin-left: 0; }

.x-form-required:after {
  content: '*';
  color: var(--danger);
  margin-left: 4px;
  font-weight: 700;
}

/* =========================================================================
   TABLES (layui-table)
   ========================================================================= */
.layui-table-view { border: none; margin: 12px 0; }
.layui-table, .layui-table-view .layui-table { margin: 0; }
.layui-table-box { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }

.layui-table thead th, .layui-table th {
  background: var(--surface-2) !important;
  color: var(--text-2) !important;
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--border) !important;
}
.layui-table td { border-color: var(--border) !important; color: var(--text-2); font-size: 13.5px; }
.layui-table tr, .layui-table tbody tr { transition: background .12s; }
.layui-table-hover, .layui-table tbody tr:hover, .layui-table[lay-even] tr:nth-child(even) { background: var(--surface-2); }
.layui-table-cell { height: 40px; line-height: 26px; }

/* pagination */
.layui-table-page { box-sizing: border-box; padding-top: 12px; }
.layui-laypage a, .layui-laypage span {
  border-radius: var(--radius-sm) !important;
  border-color: var(--border) !important;
  color: var(--text-2);
  margin: 0 3px !important;
}
.layui-laypage a:hover { color: var(--primary); }
.layui-laypage .layui-laypage-curr .layui-laypage-em { background-color: var(--primary) !important; border-radius: var(--radius-sm); }
.layui-laypage input:focus, .layui-laypage select:focus { border-color: var(--primary) !important; }

/* =========================================================================
   layer dialogs / breadcrumb
   ========================================================================= */
.layui-layer.layui-layer-dialog,
.layui-layer.layui-layer-iframe,
.layui-layer.layui-layer-page { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.layui-layer.layui-layer-dialog .layui-layer-title,
.layui-layer.layui-layer-iframe .layui-layer-title,
.layui-layer.layui-layer-page .layui-layer-title {
  padding: 20px 60px 16px 24px;
  line-height: 1.2;
  height: auto;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.layui-layer.layui-layer-dialog .layui-layer-setwin,
.layui-layer.layui-layer-iframe .layui-layer-setwin { top: 22px; right: 22px; }
.layui-layer-btn .layui-layer-btn0 { background: var(--primary) !important; border-color: var(--primary) !important; border-radius: var(--radius-sm); }

.layui-breadcrumb a, .layui-breadcrumb a:hover { color: var(--text-2) !important; }
.layui-breadcrumb a:last-child { color: var(--primary) !important; }
.layui-breadcrumb span[lay-separator] { margin: 0 6px; color: var(--muted); }

/* =========================================================================
   Responsive — collapse the top nav gaps on narrow screens
   ========================================================================= */
@media (max-width: 900px) {
  #menu { padding: 0 14px; overflow-x: auto; }
  .tnav-item > a { padding: 0 10px; }
  .x-page { padding: 18px 14px 32px; }
  .tnav-user .tnav-username { max-width: 120px; }
}