:root {
  --bg: #f0f2f5;
  --card: #ffffff;
  --border: #d9dde3;
  --text: #1a1a2e;
  --text-sub: #6b7280;
  --primary: #1e88e5;
  --red: #e53935;
  --orange: #fb8c00;
  --green: #43a047;
  --row-hover: #f5f7fa;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app { max-width: 1000px; margin: 0 auto; padding: 16px; }

/* ── 顶栏 ── */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; gap: 12px; flex-wrap: wrap;
}
.topbar-left { display: flex; flex-direction: column; }
.topbar h1 { font-size: 22px; font-weight: 700; }
.topbar-sub { font-size: 12px; color: var(--text-sub); }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.presence-bar { font-size: 14px; color: var(--text-sub); display: flex; align-items: center; gap: 6px; }
.presence-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.presence-dot.online { background: var(--green); box-shadow: 0 0 6px rgba(67,160,71,.5); }

/* ── 导出按钮 ── */
.export-btns { display: flex; gap: 8px; }
.btn-export {
  padding: 7px 14px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-family: inherit; font-weight: 600;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  transition: all .15s;
}
.btn-export:hover { border-color: var(--primary); color: var(--primary); background: rgba(30,136,229,.05); }
.btn-export:first-child { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-export:first-child:hover { background: #1976d2; }

/* ── 角色徽章 ── */
.role-badge {
  font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 14px;
  background: rgba(30,136,229,.1); color: #1565c0; border: 1px solid rgba(30,136,229,.3);
  white-space: nowrap;
}
.role-badge.guest {
  background: rgba(107,114,128,.1); color: var(--text-sub); border-color: rgba(107,114,128,.3);
}

/* ── 连接状态横幅 ── */
.conn-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 8px 16px; border-radius: 10px; margin-bottom: 10px;
  font-size: 13px; font-weight: 600; border: 1px solid transparent;
}
.conn-banner.online {
  background: rgba(67,160,71,.08); border-color: rgba(67,160,71,.3); color: var(--green);
}
.conn-banner.connecting {
  background: rgba(251,140,0,.06); border-color: rgba(251,140,0,.25); color: var(--orange);
}
.conn-banner.offline {
  background: rgba(251,140,0,.1); border-color: rgba(251,140,0,.4); color: #e65100;
}
.conn-banner .cb-sub { font-size: 12px; font-weight: 500; opacity: .85; }

/* ── 层级标签说明 ── */
.tabs-label {
  font-size: 11px; color: var(--text-sub); font-weight: 600;
  letter-spacing: 1px; margin: 8px 2px 4px;
}
.tabs-label .label-hint { font-weight: 400; letter-spacing: 0; opacity: .8; }

/* ── 标签栏（型号 / 项目共用） ── */
.item-tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.model-tabs { border-color: #c3d6ef; background: #f5f9ff; }
.item-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  font-size: 14px; color: var(--text-sub);
  cursor: pointer; transition: all .15s;
  font-family: inherit;
}
.item-tab:hover { border-color: var(--primary); color: var(--primary); }
.item-tab.active {
  background: var(--primary); border-color: var(--primary);
  color: #fff; font-weight: 600;
}
.model-tabs .item-tab.active { background: #1565c0; border-color: #1565c0; }
.item-tab .tab-del {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%;
  font-size: 12px; line-height: 1;
  opacity: .6; transition: all .15s;
}
.item-tab .tab-del:hover { background: rgba(255,255,255,.25); opacity: 1; }
.item-tab:not(.active) .tab-del:hover { background: rgba(229,57,53,.12); color: var(--red); }
.item-tab-add {
  border-style: dashed; color: var(--primary);
  font-size: 15px; padding: 6px 12px;
}

/* ── 月份标签栏（第一层） ── */
.cycle-tabs {
  border-color: #bfd9c8;
  background: #f4faf5;
  padding: 8px 14px;
}
.cycle-tabs .item-tab.active {
  background: #2e7d32; border-color: #2e7d32; color: #fff;
}
.cycle-tab { font-weight: 600; }
.tab-sub-count {
  font-size: 11px; font-weight: 500; opacity: .75;
  padding: 1px 7px; border-radius: 8px;
  background: rgba(0,0,0,.06);
}
.cycle-tab.active .tab-sub-count { background: rgba(255,255,255,.25); }

/* ── 生产放行横幅 ── */
.release-banner {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px; border-radius: 10px; margin-bottom: 10px;
  font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
}
.release-banner.blocked {
  background: rgba(229,57,53,.08); border-color: rgba(229,57,53,.35); color: var(--red);
}
.release-banner.ok {
  background: rgba(67,160,71,.08); border-color: rgba(67,160,71,.35); color: var(--green);
}
.release-banner.released {
  background: rgba(30,136,229,.07); border-color: rgba(30,136,229,.3); color: #1565c0;
}
.release-banner .banner-msg { flex: 1; }
.release-banner .banner-extra { font-size: 12px; font-weight: 400; opacity: .85; }
.btn-release {
  padding: 6px 16px; border-radius: 8px; cursor: pointer;
  font-size: 13px; font-family: inherit; font-weight: 600;
  background: var(--green); border: 1px solid var(--green); color: #fff;
  transition: all .15s;
}
.btn-release:hover { background: #388e3c; }

/* ── 规格输入 ── */
.spec-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.spec-inputs { display: flex; gap: 24px; margin-bottom: 14px; }
.spec-field { display: flex; flex-direction: column; gap: 4px; }
.spec-field label { font-size: 13px; color: var(--text-sub); font-weight: 500; }
.spec-field input {
  width: 110px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 15px; font-family: inherit;
  outline: none; transition: border-color .15s;
}
.spec-field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,136,229,.12); }

.control-lines { display: flex; gap: 16px; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid var(--border); }
.line-tag {
  font-size: 13px; padding: 4px 10px; border-radius: 4px;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  border-left: 3px solid var(--c);
}
.line-tag b { color: var(--c); font-variant-numeric: tabular-nums; }

/* ── 表格 ── */
.table-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
  overflow-x: auto;
}
.spc-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spc-table th {
  text-align: center; padding: 8px 6px;
  font-weight: 600; color: var(--text-sub);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.spc-table td {
  text-align: center; padding: 4px;
  border-bottom: 1px solid var(--border);
}
.spc-table tbody tr:hover { background: var(--row-hover); }
.col-idx { width: 50px; }
.col-avg { width: 80px; }
.col-act { width: 50px; }

.spc-table input {
  width: 72px; padding: 6px 4px;
  border: 1px solid transparent; border-radius: 4px;
  text-align: center; font-size: 14px; font-family: inherit;
  background: transparent; outline: none; transition: all .15s;
}
.spc-table input:hover { border-color: var(--border); background: #fff; }
.spc-table input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 2px rgba(30,136,229,.12); }

.avg-cell {
  font-weight: 600; font-variant-numeric: tabular-nums;
  color: var(--primary); padding: 6px;
}
.avg-cell.anomalous { color: var(--red); }

.btn-remove {
  border: none; background: transparent; cursor: pointer;
  color: var(--text-sub); font-size: 16px; padding: 4px 8px; border-radius: 4px;
  transition: all .15s;
}
.btn-remove:hover { background: rgba(229,57,53,.1); color: var(--red); }

.btn-add {
  margin-top: 10px; padding: 8px 20px;
  border: 1px dashed var(--border); border-radius: 6px;
  background: transparent; color: var(--primary);
  cursor: pointer; font-size: 14px; font-family: inherit;
  transition: all .15s;
}
.btn-add:hover { border-color: var(--primary); background: rgba(30,136,229,.06); }

/* ── 控制图 ── */
.chart-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; flex-wrap: wrap; gap: 6px; }
.chart-header h2 { font-size: 16px; font-weight: 600; }
.chart-hint { font-size: 12px; color: var(--text-sub); }

#spc-chart { width: 100%; height: 420px; display: block; }

/* ── 判异面板 ── */
.anomaly-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
}
.anomaly-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.anomaly-header h2 { font-size: 16px; font-weight: 600; }
.anomaly-count { font-size: 13px; color: var(--text-sub); }

.anomaly-panel { display: flex; flex-direction: column; gap: 8px; }

.anomaly-ok {
  padding: 16px; text-align: center;
  color: var(--green); font-size: 14px;
  background: rgba(67,160,71,.06);
  border: 1px dashed rgba(67,160,71,.35);
  border-radius: 8px;
}

.anomaly-card {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 8px;
  padding: 10px 14px;
  background: #fff;
}
.anomaly-card.sev-critical { border-left-color: var(--red); }
.anomaly-card.sev-warning { border-left-color: var(--orange); }
.anomaly-card.sev-notice   { border-left-color: var(--primary); }
.anomaly-card.confirmed { background: #f6fbf6; border-left-color: var(--green); }

.anomaly-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.anomaly-rule {
  font-weight: 700; font-size: 14px;
}
.anomaly-card.sev-critical .anomaly-rule { color: var(--red); }
.anomaly-card.sev-warning .anomaly-rule { color: var(--orange); }
.anomaly-card.sev-notice   .anomaly-rule { color: var(--primary); }

.anomaly-badge {
  font-size: 11px; padding: 2px 8px; border-radius: 10px; color: #fff; font-weight: 600;
}
.anomaly-badge.b-critical { background: var(--red); }
.anomaly-badge.b-warning { background: var(--orange); }
.anomaly-badge.b-notice   { background: var(--primary); }
.anomaly-badge.b-confirmed { background: var(--green); }
.anomaly-badge.b-pending   { background: var(--red); }

.anomaly-desc { font-size: 13px; color: var(--text-sub); margin-bottom: 6px; }
.anomaly-desc b { color: var(--text); }

.anomaly-action {
  font-size: 13px; padding: 8px 10px;
  background: var(--row-hover);
  border-radius: 6px; color: var(--text);
}
.anomaly-action::before { content: '→ 处置措施：'; font-weight: 600; color: var(--text-sub); }

.anomaly-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 8px; flex-wrap: wrap; gap: 8px;
}
.anomaly-meta { font-size: 12px; color: var(--text-sub); }
.anomaly-meta b { color: var(--green); font-weight: 600; }
.anomaly-note { font-size: 12px; color: var(--text); background: #eef7ee; padding: 4px 8px; border-radius: 4px; }

.btn-confirm {
  padding: 5px 14px; border-radius: 6px; cursor: pointer;
  font-size: 13px; font-family: inherit; font-weight: 600;
  background: var(--green); border: 1px solid var(--green); color: #fff;
  transition: all .15s;
}
.btn-confirm:hover { background: #388e3c; }

/* ── 其他用户编辑高亮 ── */
.remote-focus {
  box-shadow: 0 0 0 2px var(--remote-color, var(--primary)) !important;
  border-color: var(--remote-color, var(--primary)) !important;
  background: color-mix(in srgb, var(--remote-color, var(--primary)) 8%, #fff) !important;
}

/* ── 同步闪烁 ── */
@keyframes syncFlash {
  0% { background: rgba(30,136,229,.25); }
  100% { background: transparent; }
}
.synced-flash { animation: syncFlash .6s ease-out; }

/* ── 标签重命名输入 ── */
.item-tab .rename-input {
  width: 80px; padding: 2px 6px;
  border: 1px solid var(--primary); border-radius: 4px;
  font-size: 13px; font-family: inherit; outline: none;
}

/* ── 模态框 ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(15, 23, 42, .45);
  display: flex; align-items: center; justify-content: center;
}
.modal-overlay.hidden { display: none; }

.modal-box {
  background: #fff;
  border-radius: 12px;
  padding: 20px 24px;
  width: 440px; max-width: 92vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
  max-height: 88vh; overflow-y: auto;
}
.modal-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.modal-message {
  font-size: 13px; color: var(--text-sub);
  line-height: 1.6; margin-bottom: 14px;
  white-space: pre-line; word-break: break-all;
}
.modal-input {
  width: 100%; box-sizing: border-box;
  padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; font-family: inherit;
  margin-bottom: 16px; outline: none;
}
.modal-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30, 136, 229, .15); }

.modal-field { margin-bottom: 12px; }
.modal-field label { display: block; font-size: 12px; color: var(--text-sub); margin-bottom: 4px; font-weight: 600; }
.modal-field input, .modal-field textarea {
  width: 100%; box-sizing: border-box;
  padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; font-family: inherit; outline: none;
}
.modal-field input:focus, .modal-field textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30, 136, 229, .15);
}
.modal-field textarea { min-height: 64px; resize: vertical; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.modal-btn {
  padding: 7px 18px; border-radius: 8px;
  font-size: 13px; font-family: inherit;
  border: 1px solid var(--border); background: #fff;
  color: var(--text-sub); cursor: pointer; transition: all .15s;
}
.modal-btn:hover { background: var(--row-hover); }
.modal-confirm { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.modal-confirm:hover { background: #1976d2; }
.modal-confirm.green { background: var(--green); border-color: var(--green); }
.modal-confirm.green:hover { background: #388e3c; }

/* ── 登录弹窗 ── */
.login-box { width: 400px; }
.login-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.login-sub { font-size: 13px; color: var(--text-sub); margin-bottom: 16px; }
.login-roles { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.login-role-opt {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 10px;
  cursor: pointer; transition: all .15s;
}
.login-role-opt:hover { border-color: var(--primary); }
.login-role-opt:has(input:checked) { border-color: var(--primary); background: rgba(30,136,229,.06); }
.login-role-opt input { accent-color: var(--primary); }
.login-role-txt { display: flex; flex-direction: column; }
.login-role-txt b { font-size: 14px; }
.login-role-txt span { font-size: 12px; color: var(--text-sub); }
.login-error { color: var(--red); font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.login-remember { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-sub); margin-bottom: 14px; cursor: pointer; }
.login-remember input { accent-color: var(--primary); }

/* ── 全局提示气泡 ── */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: rgba(23,32,44,.92); color: #fff;
  padding: 10px 22px; border-radius: 24px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: all .3s; z-index: 2000;
  box-shadow: 0 8px 24px rgba(0,0,0,.25); max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── 访客只读模式 ── */
body.guest-mode .spec-field input,
body.guest-mode .spc-table input {
  pointer-events: none; background: transparent; color: var(--text-sub);
}
body.guest-mode .btn-remove,
body.guest-mode .btn-add,
body.guest-mode .btn-release,
body.guest-mode .btn-confirm,
body.guest-mode .item-tab-add,
body.guest-mode .tab-del { display: none !important; }
body.guest-mode .spc-table input:hover { border-color: transparent; }
body.guest-mode .item-tab { cursor: default; }
body.guest-mode .item-tab:hover { border-color: var(--border); color: var(--text-sub); }
body.guest-mode .item-tab.active:hover { border-color: var(--primary); color: #fff; }