@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&display=swap');
:root {
  --es-blue: #005ca1;
  --es-blue-d: #004a82;
  --es-blue-l: #e8f1f9;
  --es-grey: #838280;
  --es-orange: #f0aa1d;
  --ink: #1d2733;
  --line: #dde4ec;
  --bg: #f4f7fb;
  --ok: #12703a;
  --err: #b42318;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: Montserrat, 'Segoe UI', Arial, sans-serif; color: var(--ink); background: var(--bg); font-size: 14px; }
a { color: var(--es-blue); }
button, input, select, textarea { font: inherit; }

/* ---------- Đăng nhập ---------- */
.login-wrap { min-height: 100%; display: grid; grid-template-columns: 1.1fr 1fr; }
.login-brand {
  background: linear-gradient(150deg, var(--es-blue) 0%, var(--es-blue-d) 70%, #003a66 100%);
  color: #fff; padding: 56px 64px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden;
}
.login-brand::after { content: ''; position: absolute; right: -120px; bottom: -120px; width: 380px; height: 380px; border-radius: 50%; border: 48px solid rgba(240,170,29,.18); }
.brand-mark { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 56px; height: 56px; border-radius: 12px; background: var(--es-orange); color: var(--es-blue); font-weight: 900; font-size: 24px; display: grid; place-items: center; letter-spacing: -1px; }
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: .5px; }
.brand-sub { font-weight: 500; opacity: .8; font-size: 13px; }
.brand-hero h1 { font-weight: 900; font-size: 34px; line-height: 1.2; margin: 0 0 14px; max-width: 460px; }
.brand-hero p { margin: 0; opacity: .85; line-height: 1.6; max-width: 440px; }
.brand-hero .bar { width: 64px; height: 5px; background: var(--es-orange); border-radius: 3px; margin-bottom: 22px; }
.brand-foot { font-size: 12px; opacity: .7; }
.login-panel { display: grid; place-items: center; padding: 32px; background: #fff; }
.login-card { width: 100%; max-width: 380px; }
.login-card h2 { font-weight: 800; font-size: 24px; margin: 0 0 6px; color: var(--es-blue); }
.login-card .muted { color: var(--es-grey); margin: 0 0 26px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 600; font-size: 13px; color: #44515f; }
.input { border: 1px solid var(--line); border-radius: 8px; padding: 11px 13px; outline: none; transition: border-color .15s, box-shadow .15s; background: #fff; width: 100%; }
.input:focus { border-color: var(--es-blue); box-shadow: 0 0 0 3px rgba(0,92,161,.15); }
.pw-wrap { position: relative; }
.pw-wrap .eye { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--es-grey); cursor: pointer; padding: 6px; font-size: 13px; }
.row-between { display: flex; justify-content: space-between; align-items: center; margin: 4px 0 20px; }
.chk { display: flex; gap: 8px; align-items: center; cursor: pointer; user-select: none; }
.chk input { width: 16px; height: 16px; accent-color: var(--es-blue); }
.btn { border: 1px solid var(--es-blue); background: #fff; color: var(--es-blue); border-radius: 8px; padding: 9px 16px; font-weight: 700; cursor: pointer; }
.btn:hover { background: var(--es-blue-l); }
.btn-primary { background: var(--es-blue); color: #fff; }
.btn-primary:hover { background: var(--es-blue-d); }
.btn-block { width: 100%; padding: 12px; font-size: 15px; }
.btn-danger { border-color: var(--err); color: var(--err); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 6px; }
.btn:disabled { opacity: .55; cursor: progress; }
.alert { border-radius: 8px; padding: 10px 12px; margin-bottom: 16px; font-size: 13px; }
.alert-err { background: #fdecea; color: var(--err); }
.alert-ok { background: #e7f6ec; color: var(--ok); }
.hidden { display: none !important; }

/* ---------- Ứng dụng ---------- */
.topbar { height: 60px; background: var(--es-blue); color: #fff; display: flex; align-items: center; padding: 0 24px; gap: 14px; position: sticky; top: 0; z-index: 5; }
.topbar .brand-logo { width: 36px; height: 36px; font-size: 15px; border-radius: 8px; }
.topbar .title { font-weight: 800; font-size: 16px; }
.topbar .title small { font-weight: 500; opacity: .75; margin-left: 8px; }
.topbar .spacer { flex: 1; }
.topbar .who { font-weight: 600; font-size: 13px; }
.topbar .btn { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
.topbar .btn:hover { background: rgba(255,255,255,.12); }
.tabs { display: flex; gap: 4px; padding: 0 24px; background: #fff; border-bottom: 1px solid var(--line); }
.tab { padding: 14px 16px; font-weight: 700; color: #5b6877; border-bottom: 3px solid transparent; cursor: pointer; background: none; border-top: 0; border-left: 0; border-right: 0; }
.tab.active { color: var(--es-blue); border-bottom-color: var(--es-orange); }
.main { padding: 24px; max-width: 1280px; margin: 0 auto; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 18px; }
.card h3 { margin: 0 0 14px; font-weight: 800; font-size: 16px; color: var(--es-blue); }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .input { max-width: 320px; padding: 8px 11px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th { background: var(--es-blue); color: #fff; text-align: left; padding: 9px 10px; font-weight: 700; white-space: nowrap; }
.grid td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.grid tr:hover td { background: #fafcff; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 700; background: var(--es-blue-l); color: var(--es-blue); }
.tag-orange { background: #fff4dc; color: #a76d00; }
.tag-red { background: #fdecea; color: var(--err); }
.tag-green { background: #e7f6ec; color: var(--ok); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 14px; }
.form-grid .field { margin: 0; }
.assign-list { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; max-height: 120px; overflow: auto; }
.modal-bg { position: fixed; inset: 0; background: rgba(10,25,45,.45); display: grid; place-items: center; z-index: 20; padding: 16px; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 640px; max-height: 90vh; overflow: auto; padding: 22px 24px; box-shadow: 0 20px 60px rgba(0,30,60,.3); }
.modal h3 { margin: 0 0 16px; color: var(--es-blue); font-weight: 800; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
textarea.input { min-height: 160px; font-family: Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--es-grey); }
.steps { margin: 0; padding-left: 20px; line-height: 1.8; }
code { background: #f1f4f8; padding: 1px 6px; border-radius: 4px; }

@media (max-width: 860px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-brand { padding: 28px 24px; }
  .brand-hero h1 { font-size: 24px; }
  .login-brand::after { display: none; }
  .main { padding: 16px; }
  .tabs { overflow-x: auto; padding: 0 12px; }
}

/* ---------- Làm việc DVC (VPS) ---------- */
.work-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr); gap: 18px; align-items: start; }
.wk-list { display: flex; flex-direction: column; gap: 8px; max-height: 60vh; overflow: auto; }
.wk-item { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.wk-item:hover { border-color: var(--es-blue); background: var(--es-blue-l); }
.wk-item-main { flex: 1; min-width: 0; }
.wk-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.wk-mst { font-weight: 800; font-size: 18px; color: var(--es-blue); }
.wk-ten { color: var(--es-grey); font-weight: 600; }
.wk-cap { border: 2px solid var(--es-orange); background: #fffaf0; border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; display: flex; flex-direction: column; gap: 10px; }
.wk-cap-title { font-weight: 800; color: #a76d00; }
.wk-cap-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.wk-cap-row .input { max-width: 240px; font-size: 18px; letter-spacing: 2px; font-weight: 700; }
#wkCapImg { height: 54px; border: 1px solid var(--line); border-radius: 6px; background: #fff; image-rendering: auto; }
.wk-acts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.wk-act { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.wk-act-h { font-weight: 800; color: var(--es-blue); margin-bottom: 4px; }
.wk-act p { margin: 0 0 10px; font-size: 12.5px; }
.wk-act .wk-cap-row .input { font-size: 14px; letter-spacing: 0; font-weight: 500; }
.wk-res { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.wk-res a.btn { text-decoration: none; }
.wk-log { background: #f6f8fa; border-radius: 8px; padding: 10px 12px; font-family: Consolas, 'Courier New', monospace; font-size: 12px; line-height: 1.5; max-height: 320px; overflow: auto; white-space: pre-wrap; word-break: break-word; }
.wk-log:empty { display: none; }
.wk-log .ok { color: var(--ok); }
.wk-log .err { color: var(--err); }
tr.wk-mine td { background: #fffaf0; }
@media (max-width: 960px) { .work-grid, .wk-acts { grid-template-columns: 1fr; } }

code.pw-show { background: #fff4dc; color: #6b4600; padding: 1px 6px; border-radius: 4px; font-size: 13px; white-space: pre; }
.wk-cred { margin-top: 6px; font-size: 13px; color: var(--ink); line-height: 1.8; }
.imp-box { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px; }
.imp-step { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.imp-step p { margin: 6px 0 10px; font-size: 12.5px; }
.imp-row { display: flex; gap: 8px; flex-wrap: wrap; }
.imp-row .btn { text-decoration: none; cursor: pointer; }
.imp-step textarea.input { min-height: 110px; }
@media (max-width: 760px) { .imp-box { grid-template-columns: 1fr; } }