/* ============================================================
   TRINITY DESIGN SYSTEM  —  phanmemtrinity.com
   Dùng chung cho toàn bộ app demo. Không sửa file này trong
   từng app; nếu cần style riêng thì viết trong <style> của app.
   ============================================================ */

:root{
  /* brand */
  --brand-50:#eef4fb; --brand-100:#dbe7f5; --brand-200:#bcd3ec;
  --brand-300:#a8c6e8; --brand-400:#6e9bd0; --brand-500:#4f74ac;
  --brand-600:#3d5a92; --brand-700:#314977; --brand-800:#253a60;

  /* neutrals */
  --bg:#f6f7fb;
  --surface:#ffffff;
  --surface-2:#fbfbfd;
  --sidebar:#0a0e1a;
  --sidebar-2:#1d2740;
  --line:#e6e8f0;
  --line-strong:#d3d7e3;
  --text:#14162b;
  --text-2:#525873;
  --text-3:#8b90a7;
  --text-inv:#eef0ff;

  /* semantic */
  --ok:#0e9f6e;      --ok-bg:#e6f7f0;
  --warn:#c2740a;    --warn-bg:#fdf3e2;
  --danger:#d92d20;  --danger-bg:#fdecea;
  --info:#1570cd;    --info-bg:#e8f2fe;
  --purple:#7c3aed;  --purple-bg:#f2ebff;

  --radius:14px; --radius-sm:9px; --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(16,20,45,.05), 0 1px 3px rgba(16,20,45,.06);
  --shadow-2:0 4px 12px rgba(16,20,45,.07), 0 2px 4px rgba(16,20,45,.04);
  --shadow-3:0 20px 45px rgba(16,20,45,.16);
  --sidebar-w:250px;
  --topbar-h:62px;
  --font:'Be Vietnam Pro','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:var(--font); background:var(--bg); color:var(--text);
  font-size:14px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%;display:block}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#c9cde0;border-radius:8px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#aab0cc;background-clip:content-box;border:3px solid transparent}
::-webkit-scrollbar-track{background:transparent}

/* ---------- APP SHELL ---------- */
.app{display:flex;min-height:100vh}

.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--sidebar);
  color:var(--text-inv);display:flex;flex-direction:column;position:sticky;top:0;
  height:100vh;overflow:hidden;
}
.sidebar .brand{
  display:flex;align-items:center;gap:10px;padding:0 18px;height:var(--topbar-h);
  flex:0 0 var(--topbar-h);border-bottom:1px solid rgba(255,255,255,.07)
}
.sidebar .brand .logo{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-400),var(--brand-700));
  font-weight:800;font-size:15px;color:#fff;letter-spacing:-.5px;flex:0 0 32px;
}
.sidebar .brand b{font-size:15px;font-weight:700;letter-spacing:-.2px}
.sidebar .brand small{display:block;font-size:10.5px;color:#94a3bd;font-weight:500;letter-spacing:.3px}
.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav::-webkit-scrollbar-thumb{background:#333863;background-clip:content-box}
.nav-label{
  font-size:10.5px;text-transform:uppercase;letter-spacing:.9px;color:#6e74a6;
  font-weight:700;padding:14px 10px 6px
}
.nav a{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:9px;
  color:#b9bede;font-weight:500;cursor:pointer;margin-bottom:1px;
  transition:background .13s,color .13s;font-size:13.5px;
}
.nav a .ic{width:18px;flex:0 0 18px;text-align:center;opacity:.85;font-size:15px}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;box-shadow:0 4px 14px rgba(61,90,146,.35)}
.nav a.active .ic{opacity:1}
.nav a .tag{margin-left:auto;font-size:10.5px;background:rgba(255,255,255,.14);padding:1.5px 7px;border-radius:20px;font-weight:600}
.nav a.active .tag{background:rgba(255,255,255,.25)}
.sidebar .foot{
  padding:12px;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px
}
.sidebar .foot .av{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.sidebar .foot .who{min-width:0}
.sidebar .foot .who b{display:block;font-size:13px;font-weight:600;color:#e7e9ff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .foot .who span{font-size:11px;color:#94a3bd}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:var(--topbar-h);flex:0 0 var(--topbar-h);background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:40
}
.topbar h1{font-size:16.5px;font-weight:700;margin:0;letter-spacing:-.3px;white-space:nowrap}
.topbar .crumb{font-size:12.5px;color:var(--text-3);font-weight:500}
.topbar .spacer{flex:1}
.search{
  display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:7px 12px;min-width:230px;color:var(--text-3)
}
.search input{border:0;background:transparent;outline:none;width:100%;font-size:13px}
.iconbtn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;font-size:15px;position:relative;transition:.13s
}
.iconbtn:hover{background:var(--bg);border-color:var(--line-strong)}
.iconbtn .dot{position:absolute;top:6px;right:7px;width:7px;height:7px;border-radius:50%;background:var(--danger);border:2px solid #fff}
.content{padding:22px;flex:1;min-width:0}
.page{display:none}
.page.active{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- TYPO / LAYOUT HELPERS ---------- */
.page-head{display:flex;align-items:flex-end;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:21px;font-weight:750;letter-spacing:-.5px}
.page-head p{margin:3px 0 0;color:var(--text-2);font-size:13px}
.page-head .spacer{flex:1}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.g-2-1{grid-template-columns:2fr 1fr}
.g-1-2{grid-template-columns:1fr 2fr}
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.spacer{flex:1}
.muted{color:var(--text-2)}
.dim{color:var(--text-3)}
.small{font-size:12.5px}
.xs{font-size:11.5px}
.b{font-weight:650}
.mono{font-family:var(--mono);font-size:12.5px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.mt{margin-top:16px}.mb{margin-bottom:16px}

/* ---------- CARD ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}
.card-head{display:flex;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid var(--line)}
.card-head h3{margin:0;font-size:14.5px;font-weight:700;letter-spacing:-.2px}
.card-head p{margin:2px 0 0;font-size:12px;color:var(--text-3)}
.card-body{padding:18px}
.card-body.tight{padding:0}
.card-foot{padding:12px 18px;border-top:1px solid var(--line);background:var(--surface-2);border-radius:0 0 var(--radius) var(--radius)}

/* ---------- KPI ---------- */
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.kpi .ic{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:18px;margin-bottom:11px;
  background:var(--brand-50);color:var(--brand-600)
}
.kpi .lbl{font-size:12.5px;color:var(--text-2);font-weight:550}
.kpi .val{font-size:25px;font-weight:750;letter-spacing:-1px;margin:3px 0 0;line-height:1.15}
.kpi .val small{font-size:14px;font-weight:600;color:var(--text-3);letter-spacing:0}
.kpi .delta{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:650;margin-top:7px}
.kpi .delta.up{color:var(--ok)} .kpi .delta.down{color:var(--danger)}
.kpi .delta span{color:var(--text-3);font-weight:500}
.kpi.ok .ic{background:var(--ok-bg);color:var(--ok)}
.kpi.warn .ic{background:var(--warn-bg);color:var(--warn)}
.kpi.danger .ic{background:var(--danger-bg);color:var(--danger)}
.kpi.info .ic{background:var(--info-bg);color:var(--info)}
.kpi.purple .ic{background:var(--purple-bg);color:var(--purple)}

/* ---------- BUTTON ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;
  font-size:13.5px;font-weight:600;transition:.13s;white-space:nowrap;box-shadow:var(--shadow-1)
}
.btn:hover{background:var(--bg)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-700));border-color:transparent;color:#fff;box-shadow:0 3px 10px rgba(61,90,146,.3)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ok{background:var(--ok);border-color:transparent;color:#fff}
.btn.danger{background:var(--danger);border-color:transparent;color:#fff}
.btn.ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--text-2)}
.btn.ghost:hover{background:var(--bg);color:var(--text)}
.btn.sm{height:30px;padding:0 10px;font-size:12.5px;border-radius:8px}
.btn.lg{height:42px;padding:0 20px;font-size:14.5px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-group{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px}
.btn-group button{border:0;background:transparent;height:28px;padding:0 12px;border-radius:7px;cursor:pointer;font-size:12.5px;font-weight:600;color:var(--text-2)}
.btn-group button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-1)}

/* ---------- BADGE / PILL ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:7px;
  font-size:11.5px;font-weight:650;background:var(--bg);color:var(--text-2);white-space:nowrap;line-height:1.5
}
.badge.ok{background:var(--ok-bg);color:var(--ok)}
.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.danger{background:var(--danger-bg);color:var(--danger)}
.badge.info{background:var(--info-bg);color:var(--info)}
.badge.purple{background:var(--purple-bg);color:var(--purple)}
.badge.brand{background:var(--brand-50);color:var(--brand-700)}
.badge .d{width:6px;height:6px;border-radius:50%;background:currentColor}
.pill{display:inline-block;padding:4px 11px;border-radius:20px;font-size:12px;font-weight:600;background:var(--bg);border:1px solid var(--line);cursor:pointer}
.pill.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}

/* ---------- AVATAR ---------- */
.av{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;color:#fff;background:var(--brand-500);letter-spacing:.2px
}
.av.sm{width:27px;height:27px;flex-basis:27px;font-size:10.5px}
.av.lg{width:46px;height:46px;flex-basis:46px;font-size:16px}
.av-stack{display:flex}
.av-stack .av{border:2px solid #fff;margin-left:-9px}
.av-stack .av:first-child{margin-left:0}

/* ---------- TABLE ---------- */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.2px}
table.tbl th{
  text-align:left;padding:10px 16px;font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;
  color:var(--text-3);font-weight:700;background:var(--surface-2);border-bottom:1px solid var(--line);white-space:nowrap
}
table.tbl td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
table.tbl tbody tr{transition:background .1s}
table.tbl tbody tr:hover{background:var(--surface-2)}
table.tbl tbody tr:last-child td{border-bottom:0}
table.tbl tbody tr.clickable{cursor:pointer}
table.tbl .u{display:flex;align-items:center;gap:10px}
table.tbl .u b{font-weight:600;display:block}
table.tbl .u span{font-size:11.5px;color:var(--text-3)}

/* ---------- FORM ---------- */
.field{margin-bottom:14px}
.field > label{display:block;font-size:12.5px;font-weight:650;margin-bottom:6px;color:var(--text-2)}
.field > label .req{color:var(--danger)}
.input,select.input,textarea.input{
  width:100%;height:38px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;
  background:var(--surface);outline:none;transition:.13s;font-size:13.5px
}
textarea.input{height:auto;padding:10px 12px;resize:vertical;min-height:86px;line-height:1.55}
select.input{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4.5L6 8.5L10 4.5' stroke='%238b90a7' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.input::placeholder{color:var(--text-3)}
.hint{font-size:11.5px;color:var(--text-3);margin-top:5px}
.check{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:13.5px;user-select:none}
.check input{width:16px;height:16px;accent-color:var(--brand-600);cursor:pointer}
.switch{position:relative;width:40px;height:23px;flex:0 0 40px;border-radius:20px;background:var(--line-strong);cursor:pointer;transition:.16s}
.switch::after{content:'';position:absolute;top:2.5px;left:2.5px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.16s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch.on{background:var(--brand-600)}
.switch.on::after{transform:translateX(17px)}

/* ---------- TABS ---------- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs button{
  border:0;background:transparent;padding:10px 14px;cursor:pointer;font-size:13.5px;font-weight:600;
  color:var(--text-3);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:.13s
}
.tabs button:hover{color:var(--text)}
.tabs button.active{color:var(--brand-600);border-bottom-color:var(--brand-600)}

/* ---------- PROGRESS ---------- */
.bar{height:7px;border-radius:20px;background:var(--bg);overflow:hidden}
.bar > i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--brand-400),var(--brand-600));transition:width .5s cubic-bezier(.4,0,.2,1)}
.bar.ok > i{background:linear-gradient(90deg,#34d399,var(--ok))}
.bar.warn > i{background:linear-gradient(90deg,#fbbf24,var(--warn))}
.bar.danger > i{background:linear-gradient(90deg,#f87171,var(--danger))}
.bar.thin{height:5px}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:'';position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline .tl{position:relative;padding-bottom:18px}
.timeline .tl:last-child{padding-bottom:0}
.timeline .tl::before{
  content:'';position:absolute;left:-22px;top:4px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2.5px solid var(--line-strong)
}
.timeline .tl.ok::before{border-color:var(--ok);background:var(--ok)}
.timeline .tl.cur::before{border-color:var(--brand-600);box-shadow:0 0 0 4px var(--brand-100)}
.timeline .tl.danger::before{border-color:var(--danger);background:var(--danger)}
.timeline .tl b{font-size:13.5px;font-weight:650;display:block}
.timeline .tl .m{font-size:12.5px;color:var(--text-2);margin-top:2px}
.timeline .tl time{font-size:11.5px;color:var(--text-3)}

/* ---------- STEPS ---------- */
.steps{display:flex;align-items:center;gap:0;overflow-x:auto;padding:2px}
.steps .st{display:flex;align-items:center;gap:9px;flex:1;min-width:130px}
.steps .st .n{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;background:var(--bg);color:var(--text-3);border:1.5px solid var(--line-strong)
}
.steps .st.done .n{background:var(--ok);border-color:var(--ok);color:#fff}
.steps .st.cur .n{background:var(--brand-600);border-color:var(--brand-600);color:#fff;box-shadow:0 0 0 4px var(--brand-100)}
.steps .st.rej .n{background:var(--danger);border-color:var(--danger);color:#fff}
.steps .st b{font-size:12.5px;font-weight:650;display:block;white-space:nowrap}
.steps .st span{font-size:11px;color:var(--text-3);white-space:nowrap}
.steps .ln{height:2px;background:var(--line);flex:1;min-width:16px;margin:0 6px}
.steps .ln.done{background:var(--ok)}

/* ---------- MODAL / DRAWER ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(16,20,45,.42);backdrop-filter:blur(3px);z-index:100;
  display:none;align-items:center;justify-content:center;padding:24px
}
.overlay.open{display:flex;animation:fade .16s ease}
.modal{
  background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-3);width:100%;max-width:560px;
  max-height:88vh;display:flex;flex-direction:column;animation:pop .2s cubic-bezier(.2,.9,.3,1.3)
}
.modal.wide{max-width:840px}
@keyframes pop{from{opacity:0;transform:scale(.95) translateY(12px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:16px;font-weight:700;letter-spacing:-.3px}
.modal-head p{margin:2px 0 0;font-size:12.5px;color:var(--text-3)}
.modal-body{padding:22px;overflow-y:auto}
.modal-foot{padding:14px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;background:var(--surface-2);border-radius:0 0 var(--radius-lg) var(--radius-lg)}
.x{margin-left:auto;width:32px;height:32px;border-radius:9px;border:0;background:var(--bg);cursor:pointer;display:grid;place-items:center;font-size:15px;color:var(--text-2)}
.x:hover{background:var(--line)}
.drawer-wrap{position:fixed;inset:0;z-index:100;display:none}
.drawer-wrap.open{display:block}
.drawer-wrap .bd{position:absolute;inset:0;background:rgba(16,20,45,.42);backdrop-filter:blur(3px);animation:fade .16s}
.drawer{
  position:absolute;right:0;top:0;bottom:0;width:min(520px,92vw);background:var(--surface);
  box-shadow:var(--shadow-3);display:flex;flex-direction:column;animation:slidein .24s cubic-bezier(.3,.9,.3,1)
}
@keyframes slidein{from{transform:translateX(100%)}to{transform:none}}

/* ---------- TOAST ---------- */
#toasts{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast{
  background:var(--sidebar);color:#fff;padding:11px 16px;border-radius:11px;box-shadow:var(--shadow-3);
  font-size:13.5px;font-weight:550;display:flex;align-items:center;gap:10px;animation:pop .2s;max-width:380px
}
.toast .i{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;background:var(--ok);flex:0 0 20px}
.toast .i svg{width:12px;height:12px;fill:currentColor;display:block}
.toast.err .i{background:var(--danger)}
.toast.info .i{background:var(--info)}

/* ---------- EMPTY ---------- */
.empty{padding:48px 20px;text-align:center;color:var(--text-3)}
.empty .e{font-size:34px;margin-bottom:10px;opacity:.6}
.empty b{display:block;color:var(--text-2);font-size:14px;margin-bottom:4px}

/* ---------- MISC BLOCKS ---------- */
.list-item{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:0}
.list-item:hover{background:var(--surface-2)}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-2)}
.legend i{width:9px;height:9px;border-radius:3px;display:inline-block;margin-right:6px}
.kv{display:grid;grid-template-columns:130px 1fr;gap:9px 14px;font-size:13.2px}
.kv dt{color:var(--text-3);font-weight:550}
.kv dd{margin:0;font-weight:550}
.sheet{background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:16px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1180px){
  .g5{grid-template-columns:repeat(3,minmax(0,1fr))}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .sidebar{position:fixed;z-index:90;transform:translateX(-100%);transition:transform .22s}
  .sidebar.open{transform:none}
  .g3,.g2,.g-2-1,.g-1-2{grid-template-columns:1fr}
  .content{padding:16px}
}