/* ===== Giao diện mới (Hoàng 09/11/2026): kiểu CRM hiện đại, màu anh Vinh (vàng kim #BA9B46 + xám than #23282D) =====
   Lớp phủ nạp SAU style.css. Bỏ file này là trở về giao diện cũ. */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
  --brand: #BA9B46; --brand-dark: #A2843A; --brand-darker: #8A6D2B;
  --brand-050: #FAF6EB; --brand-100: #F2EAD3; --brand-200: #E6D7AE;
  --accent: #BA9B46; --accent-soft: #FAF6EB; --accent-ink: #8A6D2B;
  --canvas: #F6F6F4; --surface: #FFFFFF; --surface-2: #FAFAF9;
  --ink: #1C2024; --ink-2: #5B6168; --ink-3: #9AA0A6;
  --line: #E8E7E3; --line-soft: #F1F0ED;
  --radius-sm: 7px; --radius: 10px; --radius-lg: 12px;
  --shadow-sm: none;
  --shadow: 0 1px 2px rgba(28,32,36,.04);
  --shadow-md: 0 6px 18px rgba(28,32,36,.08);
  --shadow-lg: 0 16px 40px rgba(28,32,36,.14);
  --ring: 0 0 0 3px rgba(186,155,70,.22);
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --side: #23282D; --side-2: #2C3238; --side-ink: #C9CDD2;
}
body { font-size: 13.5px; letter-spacing: -0.005em; }
a { color: var(--brand-darker); }
::selection { background: var(--brand-100); }

/* Menu trái tối, mục đang chọn có vạch vàng */
@media (min-width: 901px) { .layout { grid-template-columns: 228px 1fr; } }
.sidebar { background: var(--side); border-right: none; }
.sidebar .brand { color: #fff; font-size: 17px; font-weight: 700; padding: 18px 18px 14px; }
.sidebar .brand span { color: var(--brand); }
.login-logo .dot, .brand-mark { background: var(--brand); box-shadow: none; color: var(--side); border-radius: 8px; }
.nav { padding: 6px 10px; }
.nav a { color: var(--side-ink); font-weight: 500; border-radius: 7px; padding: 9px 12px; margin-bottom: 2px; position: relative; }
.nav a:hover { background: var(--side-2); color: #fff; }
.nav a.active { background: var(--side-2); color: #fff; box-shadow: none; font-weight: 600; }
.nav a.active::before { content: ''; position: absolute; left: -10px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--brand); }
.nav a .badge { background: var(--brand); color: var(--side); font-weight: 700; }
.nav a.active .badge { background: var(--brand); color: var(--side); }
.side-foot { border-top: 1px solid rgba(255,255,255,.08); }
.side-user .nm { color: #fff; font-weight: 600; }
.side-user .rl { color: #8B9198; }
.avatar { background: var(--brand-100); color: var(--brand-darker); font-weight: 700; }
.side-foot button { background: transparent; color: var(--side-ink); border: 1px solid rgba(255,255,255,.14); }
.side-foot button:hover { background: var(--side-2); color: #fff; }

/* Thanh tiêu đề trang gọn, có vạch dưới */
.topbar, .page-head, header.top { background: var(--surface); border-bottom: 1px solid var(--line); }
h1, .page-title { font-weight: 700; letter-spacing: -0.02em; }

/* Nút: phẳng, một màu nhấn */
.btn { border-radius: 7px; font-weight: 600; box-shadow: none; }
.btn.primary, button.primary, .big-btn.call { background: var(--side); color: #fff; border-color: var(--side); box-shadow: none; }
.btn.primary:hover, button.primary:hover, .big-btn.call:hover { background: #111518; }
.big-btn { border-radius: 9px; box-shadow: none; font-weight: 600; }
.login-card button { background: var(--side); border-radius: 8px; }
.login-card button:hover { background: #111518; }
.login-card { border-radius: 14px; }
.login-wrap { background: var(--canvas); }

/* Thẻ, bảng: phẳng, viền mảnh, dòng rê chuột sáng lên */
.card, .panel, .lead-card, .kcard, .col, .kanban-col { box-shadow: var(--shadow); border-radius: var(--radius); }
table th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 600; background: var(--surface-2); position: sticky; top: 0; z-index: 1; }
table td { border-bottom: 1px solid var(--line-soft); }
table tbody tr:hover td { background: var(--brand-050); }
.chip, .tag, .pill { border-radius: 6px; font-weight: 600; }

/* Ô nhập: viền mảnh, nhấn vàng khi chọn */
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand) !important; box-shadow: var(--ring) !important; }

/* Dải số liệu + lọc nhanh nhóm khách */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.kpi { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; transition: border-color .15s, background .15s; }
.kpi:hover { border-color: var(--brand-200); }
.kpi.on { border-color: var(--brand); background: var(--brand-050); box-shadow: inset 0 0 0 1px var(--brand); }
.kpi-n { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi-t { font-size: 12px; color: var(--ink-2); font-weight: 500; }

/* Bảng trưởng phòng */
.tp-wrap { overflow-x: auto; }
.tp-table { width: 100%; border-collapse: collapse; }
.tp-table th, .tp-table td { padding: 10px 14px; text-align: left; }
.tp-table th:not(:first-child), .tp-table td.num { text-align: right; width: 70px; }
.tp-table td.num { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 15px; }
.tp-table td.bad { color: var(--danger); }
.kpi.warn .kpi-n { color: var(--danger); }

/* Công cụ Libera trong menu + ô Căn quan tâm */
.nav-sec { margin: 16px 12px 6px; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: #7D848B; font-weight: 600; }
.nav-ext { margin-left: auto; color: #7D848B; font-size: 12px; }
.can-block { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; margin: 12px 0; background: var(--surface-2); }
.dcard .can-block { margin: 12px 16px; }
.can-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.can-k { font-size: 12px; font-weight: 600; color: var(--ink-2); margin-right: 4px; }
.can-chip { background: var(--brand-050); color: var(--brand-darker); border: 1px solid var(--brand-200); font-family: ui-monospace, Consolas, monospace; }
.can-row .btn.sm { margin-left: auto; }
button.can-chip { cursor: pointer; }
button.can-chip.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.can-one { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.can-one[hidden] { display: none; }
.can-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.tool-btn { justify-content: center; font-weight: 600; border: 1px solid var(--line); background: var(--surface); }
.tool-btn:hover { border-color: var(--brand); color: var(--brand-darker); }

/* Điện thoại: chữ dễ bấm hơn */
@media (max-width: 860px) {
  body { font-size: 14.5px; }
  .big-btn { min-height: 48px; }
}