/* =========================================================
   Palo Alto 报价系统 — 深色太空蓝黑 + 青蓝紫渐变 + 玻璃拟态
   ========================================================= */
:root {
  color-scheme: dark;

  /* 深色底色 */
  --bg-deep: #060a14;
  --bg-deeper: #0a0f1c;
  --bg-card: #0d1424;

  /* 玻璃面板 */
  --panel-bg: rgba(15, 23, 42, 0.55);
  --panel-bg-strong: rgba(15, 23, 42, 0.78);
  --panel-border: rgba(99, 130, 220, 0.18);
  --panel-border-strong: rgba(99, 130, 220, 0.32);
  --panel-glow: rgba(91, 111, 255, 0.08);

  /* 文字 */
  --text-main: #e6ebf5;
  --text-soft: #b8c2d4;
  --text-muted: #8b97b3;
  --text-dim: #5b6580;

  /* 强调色（按钮 / Tab / 渐变数字 / 高光）*/
  --c-purple: #9d6cf5;
  --c-blue: #5b6fff;
  --c-cyan: #00d4ff;
  --c-green: #16a34a;
  --c-orange: #ea580c;
  --c-red: #ef4444;

  /* 渐变（按钮 / 文字 / 背景）*/
  --grad-primary: linear-gradient(135deg, #5b6fff 0%, #9d6cf5 100%);
  --grad-cyan: linear-gradient(135deg, #00d4ff 0%, #5b6fff 100%);
  --grad-purple: linear-gradient(135deg, #9d6cf5 0%, #5b6fff 100%);
  --grad-text: linear-gradient(90deg, #5b6fff 0%, #9d6cf5 50%, #00d4ff 100%);
  --grad-bg-1: linear-gradient(135deg, rgba(91, 111, 255, 0.18) 0%, rgba(157, 108, 245, 0.18) 100%);
  --grad-bg-2: radial-gradient(circle at 0% 0%, rgba(91, 111, 255, 0.25) 0%, transparent 50%),
                radial-gradient(circle at 100% 100%, rgba(157, 108, 245, 0.2) 0%, transparent 50%);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-deep);
  background-image:
    radial-gradient(circle at 10% 10%, rgba(91, 111, 255, 0.12) 0%, transparent 35%),
    radial-gradient(circle at 90% 20%, rgba(157, 108, 245, 0.10) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p {
  margin: 0;
}

h1 {
  font-size: 22px;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

h2::before {
  content: "";
  width: 3px;
  height: 16px;
  background: var(--grad-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

p {
  color: var(--text-muted);
  font-size: 12px;
}

/* ===================== 主体布局 ===================== */
.app {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===================== 工具栏（顶部渐变横幅）===================== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(91, 111, 255, 0.10) 0%, rgba(157, 108, 245, 0.10) 100%);
  border: 1px solid var(--panel-border-strong);
  border-radius: 16px;
  box-shadow:
    0 0 30px rgba(91, 111, 255, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.toolbar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(91, 111, 255, 0.3) 50%, transparent 100%);
  height: 1px;
  top: 0;
}

.brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
}

/* 紫光晓通 logo —— 透明背景 PNG 直接显示（紫色品牌色 + 深色 UI 反差）*/
.brand .logo {
  height: 42px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 10px rgba(157, 108, 245, 0.4));
}

.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.brand-text p {
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.3px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===================== 5 个工具栏按钮（统一 120×42 金属感渐变）===================== */
button.btn-import-excel,
button.btn-import-pdf,
button.btn-export-formula,
button.btn-export-value,
button.btn-export-pdf,
label.btn.btn-import-excel,
label.btn.btn-import-pdf {
  min-width: 120px !important;
  text-align: center;
  color: #fff !important;
  border-radius: 10px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 10px 16px !important;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.15s ease;
}

button.btn-import-excel,
label.btn.btn-import-excel {
  background: linear-gradient(135deg, #3a72a8 0%, #1f4e78 50%, #14365a 100%) !important;
  border: 1px solid #14365a !important;
  border-top-color: #558cc7 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(31, 78, 120, 0.4) !important;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.35), 0 1px 1px rgba(255, 255, 255, 0.25) !important;
}
button.btn-import-pdf,
label.btn.btn-import-pdf {
  background: linear-gradient(135deg, #ff7a3a 0%, #ea580c 50%, #b53e08 100%) !important;
  border: 1px solid #b53e08 !important;
  border-top-color: #ff9460 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(234, 88, 12, 0.4) !important;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.35), 0 1px 1px rgba(255, 255, 255, 0.25) !important;
}
button.btn-export-formula {
  background: linear-gradient(135deg, #2cb0d0 0%, #0891b2 50%, #066b80 100%) !important;
  border: 1px solid #066b80 !important;
  border-top-color: #4cc4e0 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(8, 145, 178, 0.4) !important;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.35), 0 1px 1px rgba(255, 255, 255, 0.25) !important;
}
button.btn-export-value {
  background: linear-gradient(135deg, #2ec266 0%, #16a34a 50%, #0d7a36 100%) !important;
  border: 1px solid #0d7a36 !important;
  border-top-color: #5ad888 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(22, 163, 74, 0.4) !important;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.35), 0 1px 1px rgba(255, 255, 255, 0.25) !important;
}
button.btn-export-pdf {
  background: linear-gradient(135deg, #9d6cf5 0%, #7c3aed 50%, #5a25b8 100%) !important;
  border: 1px solid #5a25b8 !important;
  border-top-color: #b389fa !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(124, 58, 237, 0.4) !important;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.35), 0 1px 1px rgba(255, 255, 255, 0.25) !important;
}

button.btn-import-excel:hover,
button.btn-import-pdf:hover,
button.btn-export-formula:hover,
button.btn-export-value:hover,
button.btn-export-pdf:hover,
label.btn.btn-import-excel:hover,
label.btn.btn-import-pdf:hover {
  filter: brightness(1.12) !important;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2),
    0 6px 18px rgba(91, 111, 255, 0.5) !important;
}

/* ===================== 玻璃拟态面板 ===================== */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.panel:hover {
  border-color: var(--panel-border-strong);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 24px var(--panel-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.panel > h2 {
  margin-bottom: 16px;
}

.grid.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .grid.two {
    grid-template-columns: 1fr;
  }
}

/* ===================== 表单 ===================== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}

.form-grid.wide {
  grid-template-columns: 2fr 1.4fr 0.6fr 0.6fr 0.6fr;  /* 最终用户 / 项目名称 / 3 小格子（缩一半） */
}

@media (max-width: 720px) {
  .form-grid, .form-grid.wide {
    grid-template-columns: 1fr;
  }
}

.table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
}

.panel-head .summary-bar {
  font-size: 13px;
  color: var(--text-soft);
}

.panel-head .summary-bar strong {
  font-size: 18px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(99, 130, 220, 0.2);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.6);
  font-size: 13px;
  transition: all 0.15s ease;
  font-family: inherit;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-dim);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--c-blue);
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 0 0 3px rgba(91, 111, 255, 0.18);
}

input[readonly] {
  background: rgba(15, 23, 42, 0.4);
  color: var(--text-soft);
  cursor: default;
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

/* combo dropdown */
.combo {
  position: relative;
}

.combo-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 50;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--panel-border-strong);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 20px var(--panel-glow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.combo-dropdown > div {
  padding: 10px 14px;
  cursor: pointer;
  color: var(--text-soft);
  font-size: 13px;
  transition: background 0.1s ease;
}

.combo-dropdown > div:hover {
  background: rgba(91, 111, 255, 0.15);
  color: var(--text-main);
}

.combo-empty {
  padding: 14px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
}

/* ===================== 报价参数（5 卡片大字号渐变）===================== */
.params-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

@media (max-width: 1100px) {
  .params-grid { grid-template-columns: repeat(2, 1fr); }
}

.params-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.params-grid label::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-bg-1);
  opacity: 0.4;
  z-index: 0;
  pointer-events: none;
}

.params-grid label:hover {
  border-color: var(--panel-border-strong);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 20px var(--panel-glow);
}

.params-grid label > span,
.params-grid label > .label-text {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.params-grid label .param-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  position: relative;
  z-index: 1;
}

.params-grid label input {
  background: transparent;
  border: none;
  padding: 0 18px 0 0;        /* 右侧给箭头留位 */
  font-size: 30px;            /* 字号略小，让 11.96 等 5 字符完整放下 */
  font-weight: 700;
  color: #00d4ff;
  -webkit-text-fill-color: #00d4ff;
  width: 132px;               /* 文字 114 + 箭头 18 = 132 */
  display: inline-block;
  text-align: left;
  letter-spacing: -0.5px;
  text-shadow: 0 0 16px rgba(0, 212, 255, 0.4);
  caret-color: var(--c-blue);
  box-sizing: border-box;
}

.params-grid label input:focus {
  background: transparent;
  box-shadow: none;
  color: #fff;
  -webkit-text-fill-color: #fff;
  text-shadow: 0 0 20px rgba(91, 111, 255, 0.6);
}

/* 数字加减箭头：贴右、不遮数字 */
.params-grid label input[type="number"]::-webkit-inner-spin-button,
.params-grid label input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.65;
  margin-right: 0;
  height: 22px;
  width: 12px;
}

/* 后缀单位（% / CNY/USD）—— 紧贴箭头右边 */
.params-grid label .param-value::after {
  content: attr(data-suffix);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 0;
  position: relative;
  top: -8px;
  display: inline-block;
  white-space: nowrap;
}

/* ===================== 顶部统计卡（产品目录 / 当前显示）===================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-bg-1);
  opacity: 0.3;
}

.stat-card .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--grad-cyan);
  font-size: 24px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(91, 111, 255, 0.3);
}

.stat-card .icon.green {
  background: linear-gradient(135deg, #16a34a 0%, #0d7a36 100%);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.3);
}

.stat-card .stat-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-card .stat-unit {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: 2px;
}

/* ===================== 产品选择面板 ===================== */
.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin-bottom: 4px;
}

.panel-head #catalogCount {
  color: var(--text-muted);
  font-size: 12px;
}

.search {
  position: relative;
  width: min(360px, 100%);
}

.search input {
  padding-left: 38px;
}

.search::before {
  content: "🔍";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0.6;
  z-index: 1;
}

/* ===================== 产品线 Tab（圆角胶囊）===================== */
.line-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--panel-border);
}

.line-tab {
  border: 1px solid rgba(99, 130, 220, 0.25);
  background: rgba(15, 23, 42, 0.5);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.line-tab:hover {
  border-color: var(--c-blue);
  color: var(--text-main);
  background: rgba(91, 111, 255, 0.12);
}

.line-tab.active {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow:
    0 4px 16px rgba(91, 111, 255, 0.4),
    0 0 20px rgba(157, 108, 245, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  font-weight: 600;
}

.line-tab .count {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
}

.line-tab.active .count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* ===================== 产品卡（result）===================== */
.results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  position: relative;
  transition: all 0.2s ease;
  overflow: hidden;
}

.result::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-bg-1);
  opacity: 0.2;
  z-index: 0;
}

.result:hover {
  transform: translateY(-3px);
  border-color: var(--c-blue);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.4),
    0 0 24px rgba(91, 111, 255, 0.3);
}

.result > * {
  position: relative;
  z-index: 1;
}

.result strong {
  font-size: 13px;
  color: var(--c-cyan);
  font-weight: 600;
  word-break: break-all;
  background: linear-gradient(90deg, #00d4ff 0%, #5b6fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.result .result-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--panel-border);
}

.result .price {
  font-size: 18px;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result button {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(91, 111, 255, 0.4);
  transition: all 0.15s ease;
}

.result button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(91, 111, 255, 0.5);
}

/* ===================== 产品明细表 ===================== */
.items-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
}

.items-table thead th {
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-soft);
  font-weight: 600;
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--panel-border-strong);
  position: sticky;
  top: 0;
  z-index: 1;
}

.items-table tbody td {
  padding: 10px;
  border-bottom: 1px solid rgba(99, 130, 220, 0.08);
  color: var(--text-soft);
  vertical-align: middle;
}

.items-table tbody tr {
  transition: background 0.1s ease;
}

.items-table tbody tr:hover {
  background: rgba(91, 111, 255, 0.06);
}

.items-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.items-table .num .cny {
  font-weight: 600;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.items-table input {
  padding: 6px 8px;
  font-size: 12px;
  text-align: right;
  width: 100%;
}

.items-table .discount-cell {
  position: relative;
}

.items-table .discount-cell input {
  padding-right: 22px;
}

.items-table .discount-cell::after {
  content: "%";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 12px;
  pointer-events: none;
}

.items-table .remove {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.items-table .remove:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
}

.summary-bar {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
}

.summary-bar strong {
  font-size: 20px;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================== 服务器模式：用户 badge（工具栏最左）===================== */
.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 4px 12px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border-strong);
  border-radius: 999px;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-size: 13px;
  color: var(--text-soft);
  transition: opacity 0.2s ease;
  height: 36px;
  margin-right: 2px;
}

.user-badge[hidden] {
  display: none;
}

.user-avatar {
  font-size: 15px;
  filter: drop-shadow(0 0 4px rgba(91, 111, 255, 0.4));
}

.user-name {
  font-weight: 600;
  color: #fff;
  text-shadow: 0 0 8px rgba(91, 111, 255, 0.3);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logout-btn {
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 999px;
  padding: 3px 10px;
  transition: all 0.15s ease;
  white-space: nowrap;
  height: 28px;
  display: inline-flex;
  align-items: center;
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fff;
  border-color: rgba(239, 68, 68, 0.5);
  transform: translateY(-1px);
}

.logout-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ===================== 激活页（全屏覆盖）===================== */
.license-gate {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  background-image:
    radial-gradient(circle at 30% 30%, rgba(91, 111, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(157, 108, 245, 0.15) 0%, transparent 40%);
  padding: 20px;
}

.license-gate[hidden] {
  display: none;
}

.license-card {
  width: min(540px, 100%);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border-strong);
  border-radius: 16px;
  padding: 32px 36px;
  box-shadow:
    0 0 60px rgba(91, 111, 255, 0.25),
    0 16px 48px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
}

.license-icon {
  font-size: 48px;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 16px rgba(91, 111, 255, 0.5));
}

.license-card h2 {
  justify-content: center;
  font-size: 20px;
  margin-bottom: 8px;
}

.license-card h2::before {
  display: none;
}

.license-desc {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 24px;
}

.license-field {
  text-align: left;
  margin-bottom: 18px;
}

.license-field label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.machine-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#machineCode {
  flex: 1;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 14px;
  font-weight: 600;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: #00d4ff;
  padding: 10px 12px;
  border-radius: 8px;
  letter-spacing: 1px;
}

#activationCode {
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 12px;
  word-break: break-all;
  resize: vertical;
}

.copy-btn,
.activate-btn {
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.copy-btn {
  background: rgba(0, 212, 255, 0.12);
  color: #00d4ff;
  border-color: rgba(0, 212, 255, 0.3);
  padding: 8px 14px;
  white-space: nowrap;
}

.copy-btn:hover {
  background: rgba(0, 212, 255, 0.25);
  color: #fff;
}

.activate-btn {
  width: 100%;
  background: linear-gradient(135deg, #5b6fff 0%, #9d6cf5 100%);
  color: #fff;
  padding: 12px;
  font-size: 15px;
  box-shadow:
    0 4px 16px rgba(91, 111, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  margin-top: 8px;
}

.activate-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.activate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.license-msg {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 12px;
  display: none;
}

.license-msg.show {
  display: block;
}

.license-msg.error {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.license-msg.success {
  background: rgba(22, 163, 74, 0.12);
  color: #86efac;
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.license-foot {
  margin-top: 24px;
  font-size: 11px;
  color: var(--text-dim);
}

/* ===================== 恢复默认按钮 ===================== */
.reset-btn {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.reset-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fff;
}

/* ===================== Toast ===================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 22px;
  background: var(--panel-bg-strong);
  border: 1px solid var(--panel-border-strong);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 13px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 24px var(--panel-glow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 9999;
  max-width: 80vw;
}

/* ===================== file input 隐藏 ===================== */
input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* ===================== 小屏适配 ===================== */
@media (max-width: 720px) {
  .stats-row { grid-template-columns: 1fr; }
  .params-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .actions { justify-content: center; flex-wrap: wrap; }
  h1 { font-size: 18px; }
}