:root {
  --navy: #12304a; --navy-2: #1a465d; --teal: #0d6467; --accent: #167e80; --ink: #203447; --muted: #657789;
  --rule: #d8e2e8; --zebra: #f4f8f9; --bg: #f6f8fa; --card: #ffffff; --note-bg: #fbf4e8; --note-bd: #d6a342;
  --good: #1f7a4d; --warn: #b7791f; --bad: #b83232; --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: "Inter", "Liberation Sans", Arial, sans-serif; color: var(--ink); background: var(--bg); font-size: 14px; line-height: 1.5; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
.layout { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--navy); color: #d7e7ee; padding: 20px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { font-weight: 700; color: #fff; font-size: 17px; line-height: 1.2; margin: 0 8px 22px; }
.brand small { display: block; color: #7fb2bd; font-size: 11px; letter-spacing: .5px; text-transform: uppercase; font-weight: 700; margin-bottom: 4px; }
.nav a { display: flex; justify-content: space-between; align-items: center; color: #d7e7ee; padding: 8px 10px; border-radius: 8px; margin-bottom: 2px; }
.nav a:hover, .nav a.on { background: var(--navy-2); color: #fff; text-decoration: none; }
.nav .sep { border-top: 1px solid #28506a; margin: 12px 4px; }
/* Mục chính: Cơ hội tài trợ */
.nav a.nav-main { background: #f4f8f9; color: var(--navy); font-weight: 700; padding: 11px 12px; margin-bottom: 14px; border-left: 4px solid #d6a342; }
.nav a.nav-main:hover { background: #fff; color: var(--navy); }
.nav a.nav-main.on { background: #fff; color: var(--teal); }
.badge { background: var(--note-bd); color: #1b1b1b; border-radius: 999px; font-size: 11px; font-weight: 700; padding: 1px 7px; min-width: 20px; text-align: center; }
.badge:empty, .badge[data-zero] { display: none; }
.push-box { margin-top: 18px; padding: 10px; border-radius: 8px; background: var(--navy-2); }
.push-box .small { color: #d7e7ee; margin-bottom: 6px; }
.small-btn { font-size: 12px; padding: 5px 10px; background: var(--note-bd); border-color: var(--note-bd); color: #1b1b1b; }
.bar { height: 8px; background: var(--zebra); border-radius: 4px; overflow: hidden; min-width: 60px; }
.bar i { display: block; height: 100%; background: var(--teal); }
.fb { display: flex; gap: 6px; flex-wrap: wrap; }
.fb button.on { background: var(--teal); color: #fff; }
.me { margin-top: 22px; padding: 12px 10px; border-top: 1px solid #28506a; font-size: 12px; }
.me b { color: #fff; display: block; }
.me button { margin-top: 8px; }
.main { padding: 26px 30px 60px; max-width: 1180px; width: 100%; }
h1 { color: var(--navy); font-size: 24px; margin: 0 0 6px; }
h2 { color: var(--teal); font-size: 17px; margin: 26px 0 10px; }
.lead { color: var(--muted); margin: 0 0 18px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px; }
.grid { display: grid; gap: 14px; }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-chat { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.stat .v { font-size: 26px; font-weight: 700; color: var(--navy); }
.stat .l { color: var(--muted); font-size: 12px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
th { background: #112f49; color: #fff; text-align: left; font-size: 12px; padding: 9px 10px; font-weight: 600; }
td { padding: 9px 10px; border-top: 1px solid var(--rule); vertical-align: top; }
tr:nth-child(even) td { background: var(--zebra); }
.tag { display: inline-block; font-size: 11px; font-weight: 700; border-radius: 6px; padding: 1px 7px; border: 1px solid var(--rule); color: var(--muted); background: #fff; white-space: nowrap; }
.tag.Fresh, .tag.Healthy, .tag.verified, .tag.approved { color: var(--good); border-color: #b7dcc8; background: #eef8f2; }
.tag.Aging, .tag.Warning, .tag.candidate, .tag.open { color: var(--warn); border-color: #ecd3a2; background: var(--note-bg); }
.tag.Stale, .tag.Failed, .tag.Unknown, .tag.rejected, .tag.critical { color: var(--bad); border-color: #efc2c2; background: #fdf1f1; }
.dl-soon { color: var(--bad); font-weight: 700; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.note { background: var(--note-bg); border-left: 3px solid var(--note-bd); padding: 10px 14px; border-radius: 6px; margin: 10px 0 16px; }
.btn, button { font: inherit; border: 1px solid var(--teal); background: var(--teal); color: #fff; padding: 7px 14px; border-radius: 8px; cursor: pointer; }
.btn.ghost, button.ghost { background: #fff; color: var(--teal); }
.btn.danger, button.danger { background: #fff; color: var(--bad); border-color: #e3b1b1; }
button.link { background: none; border: none; color: #9fc4cc; padding: 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
form.inline { display: inline; }
input, select, textarea { font: inherit; padding: 7px 9px; border: 1px solid var(--rule); border-radius: 8px; background: #fff; color: var(--ink); }
label { display: block; font-size: 12px; color: var(--muted); margin: 8px 0 3px; }
.fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.fields input, .fields select { width: 100%; }
.quote { font-style: italic; background: var(--zebra); border-radius: 6px; padding: 6px 9px; margin: 4px 0; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; }
.kv div:nth-child(odd) { color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 7px 0; border-top: 1px solid var(--rule); }
/* chat */
.chat { display: flex; flex-direction: column; height: 62vh; min-height: 360px; background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); }
.chat .msgs { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 78%; padding: 8px 12px; border-radius: 12px; background: var(--zebra); white-space: pre-wrap; word-wrap: break-word; }
.msg .who { font-size: 11px; color: var(--muted); font-weight: 700; margin-bottom: 2px; }
.msg.mine { align-self: flex-end; background: #e3f0ec; }
.msg.bot { background: var(--note-bg); border-left: 3px solid var(--note-bd); max-width: 92%; }
.chat form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--rule); }
.chat textarea { flex: 1; resize: none; height: 42px; }
.empty { color: var(--muted); padding: 20px; text-align: center; }
.login { max-width: 380px; margin: 12vh auto; }
.login input { width: 100%; }
.flash { background: #eef8f2; border: 1px solid #b7dcc8; color: var(--good); padding: 9px 12px; border-radius: 8px; margin-bottom: 14px; }
.error { background: #fdf1f1; border: 1px solid #efc2c2; color: var(--bad); padding: 9px 12px; border-radius: 8px; margin-bottom: 14px; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: static; height: auto; padding: 12px; }
  .nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .nav .sep, .me { display: none; }
  .nav a.nav-main { margin-bottom: 0; }
  .push-box { margin-top: 8px; }
  .main { padding: 16px; }
  .g4, .fields { grid-template-columns: 1fr 1fr; }
  .g2, .g-chat { grid-template-columns: 1fr; }
  .msg { max-width: 92%; }
  .kv { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
}
/* thêm/đề xuất nguồn */
form.stack input[type=url], form.stack > label > input:not([type=checkbox]) { width: 100%; box-sizing: border-box; }
form.stack .row label { flex: 1; min-width: 180px; }
form.stack .row label input:not([type=checkbox]) { width: 100%; box-sizing: border-box; }
form.stack button { margin-top: 10px; }
details > summary { cursor: pointer; }
/* trạng thái theo dõi nguồn */
.tag.on { background: #e3f3ea; color: #1d6b43; border-color: #b9dfc9; font-weight: 700; }
.tag.off { background: #f1f1f1; color: #6b6b6b; border-color: #d9d9d9; }
/* bảng nguồn: vừa màn hình, chữ dài (URL) tự xuống dòng */
table.src-table { table-layout: fixed; width: 100%; }
table.src-table td, table.src-table th { overflow-wrap: anywhere; word-break: break-word; vertical-align: top; }
.src-actions { margin-top: 6px; font-size: 12.5px; line-height: 1.6; display: flex; flex-wrap: wrap; column-gap: 14px; row-gap: 2px; }
.src-actions form.inline { display: inline; }
.src-actions button, .src-actions a { background: none; border: none; padding: 0; font: inherit; color: var(--teal);
  cursor: pointer; text-decoration: underline; text-underline-offset: 2px; white-space: nowrap; }
.src-actions button.danger { color: var(--bad); }
#source-filter select { max-width: 260px; }
#source-filter input[name=q] { min-width: 160px; flex: 1; }
.card, .note, .flash, .error { overflow-wrap: anywhere; }
.assist { border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: 6px; padding: 8px 12px; margin: 8px 0; background: var(--card); }
.assist > div { margin: 3px 0; }
.assist .row { gap: 6px; }
.ai-line { padding: 5px 10px; border: 1px solid var(--rule); border-left: 3px solid var(--accent); background: var(--card); border-radius: 4px; line-height: 1.7; }
/* Mỗi cơ hội là một khối (tbody): hàng chính + nhận định AI; các khối xen kẽ màu nền. */
table.opps tbody:nth-of-type(odd) td { background: #ffffff; }
table.opps tbody:nth-of-type(even) td { background: #f1f5f8; }
table.opps tbody + tbody tr:first-child td { border-top: 1px solid #d3dee5; }
table.opps tbody:nth-of-type(odd):hover td { background: #f8fbfc; }
table.opps tbody:nth-of-type(even):hover td { background: #eaf1f5; }
table.opps tr.has-ai td { padding-bottom: 6px; }
table.opps .ai-row td { border-top: none; padding: 0 14px 12px; }
.ai-note { display: flex; gap: 14px; border-top: 1px dashed #cbd8e0; padding-top: 8px; font-size: 13px; line-height: 1.6; color: #3a4d5e; }
.ai-note .lbl { flex: 0 0 96px; font-size: 10.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--teal); padding-top: 3px; }
.ai-note .txt { min-width: 0; }
.ai-note .tag { font-size: 10.5px; margin-right: 2px; }
.ai-note .meta { font-size: 11.5px; color: var(--muted); }
.ai-line .tag { margin-right: 3px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 4px; }
.tab-group { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.tab-label { color: var(--muted); font-size: 12px; margin-right: 2px; }
.tab { padding: 5px 11px; border: 1px solid var(--rule); border-radius: 16px; background: var(--card); color: var(--ink); font-size: 13px; text-decoration: none; white-space: nowrap; }
.tab:hover { border-color: var(--accent); }
.tab.active { background: var(--teal); border-color: var(--teal); color: #fff; }
.tab .n { font-size: 11px; opacity: .75; }
.ai-title { color: var(--teal); font-size: 12px; margin-right: 4px; }
.check-inline { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); margin-top: 6px; font-weight: normal; }
.check-inline input { width: auto; margin: 0; }
input:disabled { background: #eef1f3; color: var(--muted); cursor: not-allowed; }
/* Lưới ô nhập: nhãn ở trên, ô nhập rộng hết cột, các cột thẳng hàng theo mép trên */
.form-grid { display: grid; gap: 4px 14px; align-items: start; }
.form-grid.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.g2e { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.form-grid > label > input:not([type=checkbox]), .form-grid > label > select { display: block; width: 100%; box-sizing: border-box; margin-top: 3px; }
@media (max-width: 860px) { .form-grid.g3, .form-grid.g2e { grid-template-columns: 1fr; } }
.form-grid > label > input:not([type=checkbox]), .form-grid > label > select, .fields input, .fields select { height: 38px; }
.fields { align-items: start; }