/* 客服對話分析系統 — 介面樣式。以營運主管易讀易用為核心。 */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e3e8f0;
  --text: #1f2733;
  --text-soft: #5b6677;
  --text-mute: #8a94a6;
  --primary: #3b5bdb;
  --primary-dark: #2f49b0;
  --primary-soft: #eaeefc;
  --green: #2f9e44;
  --green-soft: #e6f4ea;
  --amber: #e8930c;
  --amber-soft: #fdf2dc;
  --red: #e03131;
  --red-soft: #fce8e8;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 16px rgba(16, 24, 40, 0.06);
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

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

/* ---- 版型 ---- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: #182234;
  color: #c7d0e0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand {
  padding: 20px 22px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar .brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #4c6ef5, #5f3dc4);
  display: grid; place-items: center; font-size: 16px;
}
.nav { padding: 12px 10px; overflow-y: auto; flex: 1; }
.nav-group-title {
  font-size: 11px; letter-spacing: 0.08em; color: #6b7894;
  padding: 16px 12px 6px; text-transform: uppercase;
}
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 0; border-radius: 8px;
  color: #c7d0e0; font-size: 14px;
}
.nav a:hover { background: rgba(255, 255, 255, 0.06); text-decoration: none; color: #fff; }
.nav a.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav a .ico { width: 18px; text-align: center; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px; background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 10;
}
.topbar .page-title { font-weight: 600; font-size: 15px; }
.topbar .user { display: flex; align-items: center; gap: 12px; color: var(--text-soft); font-size: 13px; }
.content { padding: 20px 24px; max-width: 1400px; width: 100%; margin: 0 auto; }

/* ---- 標題區 ---- */
.page-head { margin-bottom: 20px; }
.page-head h1 { font-size: 22px; margin: 0 0 4px; }
.page-head .sub { color: var(--text-soft); font-size: 14px; margin: 0; }

/* ---- 卡片 ---- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px;
  margin-bottom: 18px;
}
.card h2 { font-size: 16px; margin: 0 0 4px; }
.card h2 + .hint { margin-top: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.hint { color: var(--text-soft); font-size: 13px; margin: 4px 0 14px; }

/* ---- 統計卡 ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.stat .label { color: var(--text-mute); font-size: 13px; }
.stat .value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.stat .value.danger { color: var(--red); }
.stat .value.warn { color: var(--amber); }
.stat .value.ok { color: var(--green); }

/* ---- 按鈕 ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  background: var(--primary); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none; line-height: 1.2;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: var(--surface-2); }
.btn.danger { background: var(--red); }
.btn.danger:hover { background: #b02020; }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---- 徽章 ---- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--surface-2); color: var(--text-soft); border: 1px solid var(--border);
}
.badge.low { background: var(--green-soft); color: var(--green); border-color: transparent; }
.badge.medium { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.badge.high { background: var(--red-soft); color: var(--red); border-color: transparent; }
.badge.ok { background: var(--green-soft); color: var(--green); border-color: transparent; }
.badge.info { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.badge.warn { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.badge.muted { background: var(--surface-2); color: var(--text-mute); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; display: inline-block; }

/* ---- 表格 ---- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-mute); font-weight: 600; font-size: 12.5px; background: var(--surface-2); }
tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- 表單 ---- */
label.field { display: block; margin-bottom: 14px; }
label.field .lbl { display: block; font-size: 13px; color: var(--text-soft); margin-bottom: 5px; font-weight: 600; }
input[type=text], input[type=password], input[type=date], input[type=number], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; min-height: 70px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 18px; }

/* ---- 流程步驟 ---- */
.steps { display: flex; gap: 0; margin-bottom: 22px; flex-wrap: wrap; }
.step {
  flex: 1; min-width: 160px; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--border); border-right: none; position: relative;
}
.step:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.step:last-child { border-right: 1px solid var(--border); border-radius: 0 var(--radius) var(--radius) 0; }
.step .n { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--surface-2); color: var(--text-mute); font-size: 13px; font-weight: 700; margin-right: 8px; }
.step.active { background: var(--primary-soft); border-color: var(--primary); }
.step.active .n { background: var(--primary); color: #fff; }
.step.done .n { background: var(--green); color: #fff; }
.step .t { font-size: 14px; font-weight: 600; }
.step .d { font-size: 12px; color: var(--text-soft); margin-top: 2px; }

/* ---- 進度條 ---- */
.progress { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; margin: 8px 0; }
.progress > span { display: block; height: 100%; background: var(--primary); transition: width 0.4s ease; }

/* ---- flash ---- */
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; border: 1px solid transparent; }
.flash.success { background: var(--green-soft); color: #1d6a2c; border-color: #bfe3c8; }
.flash.error { background: var(--red-soft); color: #a82020; border-color: #f3c2c2; }
.flash.info { background: var(--primary-soft); color: var(--primary-dark); border-color: #cdd7f7; }
.flash.warn { background: var(--amber-soft); color: #9a6206; border-color: #f3dcab; }

/* ---- 空狀態 ---- */
.empty { text-align: center; padding: 48px 20px; color: var(--text-soft); }
.empty .ico { font-size: 40px; margin-bottom: 10px; }
.empty h3 { margin: 0 0 6px; color: var(--text); font-size: 16px; }

/* ---- 對話泡泡 ---- */
.chat { display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 78%; padding: 10px 14px; border-radius: 12px; font-size: 14px; position: relative; }
.msg .meta { font-size: 11px; color: var(--text-mute); margin-bottom: 3px; }
.msg.visitor { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); }
.msg.operator { align-self: flex-end; background: var(--primary-soft); border: 1px solid #cdd7f7; }

/* ---- 雜項 ---- */
.row { display: flex; gap: 18px; flex-wrap: wrap; }
.col { flex: 1; min-width: 280px; }
.list-plain { margin: 0; padding-left: 18px; }
.list-plain li { margin: 3px 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.quote { border-left: 3px solid var(--primary); background: var(--surface-2); padding: 8px 12px; border-radius: 0 8px 8px 0; font-size: 13.5px; color: var(--text-soft); margin: 6px 0; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 14px; font-size: 14px; }
.kv dt { color: var(--text-mute); }
.kv dd { margin: 0; }
.muted { color: var(--text-mute); }
.mono { font-variant-numeric: tabular-nums; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.inline-form { display: inline; }
.help-box { background: var(--primary-soft); border: 1px solid #cdd7f7; border-radius: 10px; padding: 12px 16px; font-size: 13.5px; color: var(--primary-dark); margin-bottom: 16px; }
.bar { display: inline-block; height: 18px; background: var(--primary); border-radius: 4px; vertical-align: middle; }

/* ---- 可點擊卡片 / 步驟 ---- */
a.stat { display: block; color: inherit; text-decoration: none; transition: border-color .15s ease; }
a.stat:hover { border-color: var(--primary); text-decoration: none; }
a.step { color: inherit; text-decoration: none; }
a.step:hover { border-color: var(--primary); text-decoration: none; background: var(--surface-2); }
a.step.active:hover { background: var(--primary-soft); }
a.badge { text-decoration: none; }

/* ---- 趨勢圖 ---- */
.trend { display: flex; align-items: flex-end; gap: 2px; height: 130px; padding-top: 8px; }
.trend .tb {
  flex: 1; min-width: 3px; background: var(--primary-soft);
  border-top: 2px solid var(--primary); border-radius: 2px 2px 0 0;
  position: relative; cursor: default; transition: background .1s ease;
}
.trend .tb:hover { background: var(--primary); }
.trend .tb.has-high::after {
  content: ""; position: absolute; top: -7px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; border-radius: 50%; background: var(--red);
}

/* ---- 分類階層表格 ---- */
.cat-table .main-row td { background: var(--surface); }
.cat-table .main-row:hover td { background: var(--surface-2); }
.cat-table .sub-row td { background: #fbfcfe; }
.cat-table .sub-name { padding-left: 34px; }
.tree-line { color: var(--text-mute); margin-right: 4px; }
.tree-toggle {
  border: none; background: none; cursor: pointer; font-size: 11px;
  color: var(--text-mute); width: 22px; padding: 2px; vertical-align: middle;
}
.tree-toggle:hover { color: var(--primary); }
.tree-toggle-placeholder { display: inline-block; width: 22px; }

/* ---- 作業台密度系統（每日大量資訊操作）---- */
.stat-strip {
  display: flex; flex-wrap: wrap; gap: 4px 26px; align-items: baseline;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 16px; margin-bottom: 14px; box-shadow: var(--shadow); font-size: 13px;
}
.stat-strip .si { color: var(--text-soft); white-space: nowrap; }
.stat-strip .si b { font-size: 17px; color: var(--text); margin-left: 4px; font-variant-numeric: tabular-nums; }
.stat-strip .si b.ok { color: var(--green); }
.stat-strip .si b.danger { color: var(--red); }
.stat-strip .si b.warn { color: var(--amber); }
.stat-strip a.si { text-decoration: none; }
.stat-strip a.si:hover b { color: var(--primary); }

table.dense th, table.dense td { padding: 5px 8px; font-size: 13px; line-height: 1.45; }
table.dense .badge { padding: 1px 8px; font-size: 11px; }
.table-card { padding: 8px 10px; }

.btn.xs { padding: 2px 8px; font-size: 12px; border-radius: 6px; gap: 3px; }

/* 狀態籤列（帶數字的快速切換） */
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  font-size: 12.5px; color: var(--text-soft); text-decoration: none;
}
.chip:hover { border-color: var(--primary); text-decoration: none; }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.chip .n { font-variant-numeric: tabular-nums; font-weight: 700; }

/* 彈出小窗（不撐開表格列高） */
details.pop { position: relative; display: inline-block; }
details.pop > summary { list-style: none; cursor: pointer; }
details.pop > summary::-webkit-details-marker { display: none; }
details.pop > .panel {
  position: absolute; right: 0; top: calc(100% + 4px); z-index: 40;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); padding: 10px; min-width: 270px;
}
td .ellip { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 緊湊工具列 */
.toolbar {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 12px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.toolbar select, .toolbar input[type=text] { padding: 5px 9px; font-size: 13px; width: auto; }

/* ---- 首頁三大支柱 ---- */
.pillar-card .card { transition: border-color .15s ease; }
.pillar-card:hover .card { border-color: var(--primary); }

/* ---- 待歸類佇列批次操作 ---- */
.bulk-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  position: sticky; top: 60px; z-index: 5;
  background: var(--primary-soft); border: 1px solid #cdd7f7; border-radius: 10px;
  padding: 10px 14px; margin-bottom: 14px;
}
.queue-item {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 12px;
}
.queue-check { padding-top: 4px; }
.queue-check input { width: 17px; height: 17px; cursor: pointer; }

/* ---- 行動高亮（深連結） ---- */
.action-highlight { border-color: var(--primary) !important; background: var(--primary-soft) !important; }

/* ---- 手機導覽 ---- */
.mnav { display: none; position: relative; }
.mnav summary { list-style: none; cursor: pointer; padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-weight: 600; background: var(--surface); }
.mnav summary::-webkit-details-marker { display: none; }
.mnav nav {
  position: absolute; left: 0; top: calc(100% + 6px); z-index: 60;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); min-width: 200px; padding: 6px; max-height: 70vh; overflow-y: auto;
}
.mnav nav a { display: block; padding: 9px 12px; border-radius: 7px; color: var(--text); font-size: 14px; }
.mnav nav a:hover { background: var(--surface-2); text-decoration: none; }
.mnav nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.mnav nav .sep { height: 1px; background: var(--border); margin: 5px 8px; }

@media (max-width: 820px) {
  .sidebar { display: none; }
  .content { padding: 16px; }
  .mnav { display: block; }
}

/* ---- 線性圖示（取代 emoji，企業級 SaaS 視覺）---- */
.ti {
  width: 1em; height: 1em; flex: none; display: inline-block;
  vertical-align: -0.14em; stroke-width: 2;
}
/* 側欄導覽圖示 */
.nav a .ico { width: 18px; display: inline-flex; align-items: center; justify-content: center; color: #8b97ad; }
.nav a .ico .ti { width: 17px; height: 17px; vertical-align: middle; }
.nav a:hover .ico, .nav a.active .ico { color: currentColor; }
.brand .logo { color: #fff; }
.brand .logo .ti { width: 17px; height: 17px; }
/* 標題 / 按鈕 / 徽章內的內文圖示 */
h1 .ti, h2 .ti, h3 .ti { vertical-align: -0.12em; color: var(--text-mute); }
.btn .ti { width: 1em; height: 1em; }
.help-box .ti { color: var(--primary); vertical-align: -0.16em; }
.flash .ti, .badge .ti { width: 1em; height: 1em; }
/* 空狀態大圖示 */
.empty .ico { color: var(--text-mute); opacity: .5; }
.empty .ico .ti { width: 40px; height: 40px; }
/* 手機選單圖示 */
.mnav nav a .ti { width: 16px; height: 16px; vertical-align: -0.18em; margin-right: 4px; color: var(--text-mute); }

/* ---- SaaS 質感微調 ---- */
.sidebar { background: #161e2e; border-right: 1px solid rgba(255,255,255,.05); }
.sidebar .brand .logo {
  background: linear-gradient(135deg, #4263eb, #5f3dc4);
  box-shadow: 0 2px 8px rgba(66,99,235,.35);
}
.nav a { letter-spacing: .01em; }
.nav a.active { box-shadow: 0 2px 8px rgba(59,91,219,.35); }
.nav-group-title { color: #5a6781; }
.page-head h1 { letter-spacing: -.01em; font-weight: 700; }
.card { border-radius: 14px; }
.btn { letter-spacing: .01em; }