/* =========================================================================
   Microads Support — dashboard quản trị.
   Thanh bên tối, vùng nội dung sáng để đọc bảng biểu lâu không mỏi mắt.
   ========================================================================= */

:root {
  --a-side: #071528;
  --a-side-2: #0c2140;
  --a-bg: #f3f6fb;
  --a-card: #ffffff;
  --a-line: #e3e9f2;
  --a-line-soft: #eef2f8;
  --a-ink: #16273f;
  --a-ink-2: #46596f;
  --a-ink-3: #8595a9;
  --a-blue: #1e74e8;
  --a-blue-dk: #1257c9;
  --a-red: #e0302b;
  --a-green: #1fa45d;
  --a-amber: #d98a0b;
  --a-purple: #6b34c9;
  --a-r: 12px;
  --f-body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --f-tech: 'Chakra Petch', 'Be Vietnam Pro', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--a-ink);
  background: var(--a-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
svg { flex: 0 0 auto; }
:focus-visible { outline: 2px solid var(--a-blue); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── Khung ────────────────────────────────────────────────────────────── */

.shell { display: flex; min-height: 100vh; }

.side {
  width: 244px;
  flex: 0 0 244px;
  background: linear-gradient(180deg, var(--a-side-2), var(--a-side));
  color: #fff;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.side-brand svg { width: 32px; height: 32px; }

.side-brand b {
  font-family: var(--f-tech);
  font-size: 17px;
  letter-spacing: .05em;
}

.side-brand span { display: block; font-size: 11px; color: #7e9bc4; letter-spacing: .12em; }

/* align-content:start — thiếu nó thì grid giãn các hàng lấp đầy chiều cao
   còn lại của thanh bên, mục menu cách nhau cả trăm pixel. */
.side-nav { padding: 14px 12px; display: grid; gap: 3px; align-content: start;
            overflow-y: auto; flex: 1; }

.side-nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 13px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 500;
  color: #a9bedb;
  transition: background .15s, color .15s;
}

.side-nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }

.side-nav a.on { background: var(--a-blue); color: #fff; }

.side-nav a svg { width: 18px; height: 18px; }

.side-nav .count {
  margin-left: auto;
  min-width: 22px;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .15);
  font-size: 11.5px;
  font-weight: 700;
  text-align: center;
}

.side-nav a.on .count { background: rgba(0, 0, 0, .22); }
.side-nav .count.hot { background: var(--a-red); color: #fff; }

.side-foot {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: #8ea6c6;
}

.side-foot b { display: block; color: #fff; font-size: 14px; font-weight: 600; }

.side-foot a { color: #7fb4ff; font-size: 12.5px; }

/* ── Vùng nội dung ────────────────────────────────────────────────────── */

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 26px;
  background: #fff;
  border-bottom: 1px solid var(--a-line);
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar h1 { margin: 0; font-size: 20px; font-weight: 700; }
.topbar .sub { margin: 2px 0 0; font-size: 13px; color: var(--a-ink-3); }
.topbar .spacer { margin-left: auto; }

.content { padding: 24px 26px 40px; }

.a-burger svg { width: 20px; height: 20px; }

.a-burger {
  display: none;
  width: 38px; height: 38px;
  align-items: center; justify-content: center;
  border: 1px solid var(--a-line);
  border-radius: 9px;
  background: #fff;
  color: var(--a-ink);
  cursor: pointer;
}

/* ── Nút ──────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 9px;
  border: 1px solid var(--a-line);
  background: #fff;
  color: var(--a-ink-2);
  font-family: inherit;
  font-size: 13.8px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, filter .15s;
}

.btn:hover { background: #f6f9fe; border-color: #cddcef; }
.btn svg { width: 16px; height: 16px; }

.btn-pri { background: var(--a-blue); border-color: var(--a-blue); color: #fff; }
.btn-pri:hover { background: var(--a-blue-dk); border-color: var(--a-blue-dk); }

.btn-danger { color: var(--a-red); border-color: #f2cdcb; background: #fff; }
.btn-danger:hover { background: #fdeceb; border-color: #e9b4b1; }

.btn-sm { padding: 6px 11px; font-size: 13px; }

/* ── Thẻ / bảng ───────────────────────────────────────────────────────── */

.card {
  background: var(--a-card);
  border: 1px solid var(--a-line);
  border-radius: var(--a-r);
  margin-bottom: 20px;
}

.card-h {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--a-line-soft);
}

.card-h > svg { width: 18px; height: 18px; color: var(--a-blue); }
.card-h h2 { margin: 0; font-size: 15.5px; font-weight: 700; }
.card-h .spacer { margin-left: auto; }
.card-b { padding: 18px; }
.card-b.flush { padding: 0; }

.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--a-line);
  border-radius: var(--a-r);
  transition: border-color .15s, transform .15s;
}

a.stat:hover { border-color: #b9d0ef; transform: translateY(-1px); }

.stat-ico {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 11px;
  background: #e7f0ff;
  color: var(--a-blue);
}

.stat-ico svg { width: 21px; height: 21px; }
.stat-ico.red    { background: #fdeceb; color: var(--a-red); }
.stat-ico.green  { background: #e8f7ee; color: var(--a-green); }
.stat-ico.amber  { background: #fff4e0; color: var(--a-amber); }
.stat-ico.purple { background: #f2eaff; color: var(--a-purple); }

.stat-n {
  display: block;
  font-family: var(--f-tech);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.15;
}

.stat-l { display: block; font-size: 13px; color: var(--a-ink-3); }

.tbl-wrap { overflow-x: auto; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }

table.tbl th {
  text-align: left;
  padding: 11px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--a-ink-3);
  background: #f8fbff;
  border-bottom: 1px solid var(--a-line);
  white-space: nowrap;
}

table.tbl td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--a-line-soft);
  vertical-align: middle;
}

table.tbl tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:hover { background: #fafcff; }

.t-code {
  font-family: var(--f-tech);
  font-weight: 700;
  color: var(--a-blue);
  white-space: nowrap;
}

.t-sub { font-size: 12.5px; color: var(--a-ink-3); }

/* Không có min-width, cột dự án bị ép xuống còn một từ mỗi dòng. */
.t-proj { min-width: 185px; }

.t-excerpt {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--a-ink-2);
}

.empty { padding: 44px 20px; text-align: center; color: var(--a-ink-3); }
.empty svg { width: 34px; height: 34px; margin-bottom: 10px; color: #c3d2e5; }

/* ── Nhãn ─────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.prio-normal { background: #e7f0ff; color: var(--a-blue-dk); }
.badge.prio-urgent { background: #fdeceb; color: #b81e1a; }

.badge.st-new              { background: #fff4e0; color: #9a6206; }
.badge.st-in_progress      { background: #e7f0ff; color: var(--a-blue-dk); }
.badge.st-waiting_customer { background: #f2eaff; color: var(--a-purple); }
.badge.st-resolved         { background: #e8f7ee; color: #15713f; }
.badge.st-closed           { background: #eef1f6; color: var(--a-ink-3); }

.badge.on  { background: #e8f7ee; color: #15713f; }
.badge.off { background: #eef1f6; color: var(--a-ink-3); }

.sla { font-weight: 600; font-size: 13.2px; white-space: nowrap; }
.sla-ok   { color: var(--a-green); }
.sla-soon { color: var(--a-amber); }
.sla-late { color: var(--a-red); }
.sla-done { color: var(--a-ink-3); font-weight: 500; }

/* ── Biểu mẫu ─────────────────────────────────────────────────────────── */

.frm { display: grid; gap: 15px; }
.frm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.frm label { display: block; font-size: 13.2px; font-weight: 600; margin-bottom: 6px; }
.frm .hint { font-size: 12.5px; color: var(--a-ink-3); margin-top: 5px; }

.inp, .sel, .txt {
  width: 100%;
  padding: 10px 13px;
  font-family: inherit;
  font-size: 14.2px;
  color: var(--a-ink);
  background: #fff;
  border: 1.5px solid var(--a-line);
  border-radius: 9px;
  transition: border-color .15s, box-shadow .15s;
}

.inp:focus, .sel:focus, .txt:focus {
  outline: none;
  border-color: var(--a-blue);
  box-shadow: 0 0 0 3.5px rgba(30, 116, 232, .13);
}

.txt { min-height: 110px; resize: vertical; line-height: 1.6; }

.sel {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%238595a9' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 34px;
}

.chk { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 500; }
.chk input { width: 17px; height: 17px; accent-color: var(--a-blue); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}

.filters > div { flex: 1 1 165px; min-width: 0; }
.filters label { font-size: 12.3px; color: var(--a-ink-3); font-weight: 600; margin-bottom: 5px; display: block; }

/* ── Thông báo ────────────────────────────────────────────────────────── */

.alert {
  display: flex;
  gap: 11px;
  padding: 13px 16px;
  border-radius: var(--a-r);
  margin-bottom: 18px;
  font-size: 14px;
  border: 1px solid;
}

.alert svg { width: 18px; height: 18px; margin-top: 2px; }
.alert.ok   { background: #e8f7ee; border-color: #bfe6cd; color: #15713f; }
.alert.err  { background: #fdeceb; border-color: #f2cdcb; color: #96201c; }
.alert.info { background: #eaf2ff; border-color: #c9ddf8; color: #14498f; }
.alert.warn { background: #fff6e5; border-color: #f2ddb0; color: #8a5a04; }

/* ── Chi tiết ticket ──────────────────────────────────────────────────── */

.tk-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 20px; align-items: start; }

.tk-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.tk-title .code {
  font-family: var(--f-tech);
  font-size: 21px;
  font-weight: 700;
}

.readbox {
  padding: 14px 16px;
  border: 1px solid var(--a-line);
  border-radius: 10px;
  background: #fafcff;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.meta-list { display: grid; gap: 0; }

.meta-list > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--a-line-soft);
  font-size: 13.6px;
}

.meta-list > div:last-child { border-bottom: 0; }
.meta-list dt { color: var(--a-ink-3); margin: 0; }
.meta-list dd { margin: 0; font-weight: 600; text-align: right; word-break: break-word; }

.att { display: grid; gap: 8px; }

.att a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--a-line);
  border-radius: 9px;
  font-size: 13.5px;
  transition: border-color .15s, background .15s;
}

.att a:hover { border-color: #b9d0ef; background: #f6f9fe; }
.att a svg { width: 17px; height: 17px; color: var(--a-blue); }
.att .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att .sz { color: var(--a-ink-3); font-size: 12.3px; }

/* Dòng thời gian */
.tl { list-style: none; margin: 0; padding: 0; }

.tl li {
  position: relative;
  padding: 0 0 18px 22px;
  border-left: 2px solid var(--a-line-soft);
  margin-left: 6px;
}

.tl li:last-child { border-left-color: transparent; padding-bottom: 0; }

.tl .dot {
  position: absolute;
  left: -7px;
  top: 3px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--a-blue);
}

.tl .created .dot, .tl li.created .dot { border-color: var(--a-ink-3); }
.tl li.reply .dot  { border-color: var(--a-green); }
.tl li.note .dot   { border-color: var(--a-amber); }
.tl li.sla .dot    { border-color: var(--a-red); }
.tl li.assign .dot { border-color: var(--a-purple); }

.tl .m { font-size: 12.4px; color: var(--a-ink-3); margin-bottom: 3px; }
.tl .m b { color: var(--a-ink-2); font-weight: 600; }
.tl .b { line-height: 1.65; white-space: pre-wrap; word-break: break-word; }

.tl .tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: 999px;
  background: #fff4e0;
  color: #9a6206;
  font-size: 11px;
  font-weight: 700;
}

/* ── Phân trang ───────────────────────────────────────────────────────── */

.pager { display: flex; gap: 6px; align-items: center; justify-content: center; padding: 16px; flex-wrap: wrap; }

.pager a, .pager span {
  min-width: 36px;
  padding: 7px 11px;
  border: 1px solid var(--a-line);
  border-radius: 8px;
  text-align: center;
  font-size: 13.5px;
  background: #fff;
}

.pager a:hover { border-color: #b9d0ef; background: #f6f9fe; }
.pager .on { background: var(--a-blue); border-color: var(--a-blue); color: #fff; font-weight: 700; }
.pager .gap { border: 0; background: none; color: var(--a-ink-3); min-width: auto; padding: 7px 2px; }

/* ── Trang đăng nhập ──────────────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(900px 520px at 70% 10%, rgba(30, 116, 232, .28), transparent 60%),
    linear-gradient(168deg, #0a1d38 0%, #061527 55%, #04101f 100%);
}

.login-box {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 30px 70px -20px rgba(2, 12, 28, .6);
  padding: 32px 30px 26px;
}

.login-box .lb-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.login-box .lb-brand svg { width: 38px; height: 38px; }
.login-box .lb-brand b { font-family: var(--f-tech); font-size: 19px; letter-spacing: .05em; }
.login-box .lb-brand span { display: block; font-size: 11.5px; color: var(--a-ink-3); letter-spacing: .1em; }
.login-box h1 { margin: 0 0 4px; font-size: 21px; }
.login-box .sub { margin: 0 0 20px; font-size: 13.5px; color: var(--a-ink-3); }

.login-box .btn-pri { width: 100%; justify-content: center; padding: 13px; font-size: 15px; }

.login-back { display: block; text-align: center; margin-top: 18px; font-size: 13.2px; color: #8ea6c6; }
.login-back:hover { color: #fff; }

/* ── Thích ứng màn hình ───────────────────────────────────────────────── */

@media (max-width: 1080px) {
  .tk-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .side {
    position: fixed;
    z-index: 60;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 0 0 60px rgba(0, 0, 0, .5);
  }
  .side.open { transform: none; }
  .a-burger { display: flex; }
  .content { padding: 18px 16px 34px; }
  .topbar { padding: 13px 16px; }
  .topbar h1 { font-size: 17px; }
  .frm-row { grid-template-columns: 1fr; }
  .scrim {
    position: fixed;
    inset: 0;
    background: rgba(6, 21, 39, .5);
    z-index: 55;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; }
}