/* RequestLeave — navy blue sidebar, orange actions. White content cards, status chips. */
:root{
  --ind:#f26a1b; --ind-2:#d6560d; --ind-soft:#fff1e7; --slate:#0d2b5e; --slate-2:#143a7c;
  --bg:#f4f6fb; --bg-2:#ffffff; --fg:#0f172a; --muted:#64748b; --line:#e2e8f0; --card:#ffffff; --shadow:0 4px 16px rgba(15,23,42,.06);
  --ok:#16a34a; --ok-soft:#dcfce7; --warn:#d97706; --warn-soft:#fef3c7; --bad:#dc2626; --bad-soft:#fee2e2; --info:#2563eb; --info-soft:#dbeafe;
  --display:"Outfit","Segoe UI",system-ui,Arial,sans-serif; --body:"Figtree","Segoe UI",system-ui,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0b1020; --bg-2:#111a2e; --fg:#e5e9f5; --muted:#9aa5bd; --line:#243049; --card:#141d33; --ind-soft:#3b2412; --shadow:0 4px 16px rgba(0,0,0,.4);
  --ok-soft:#113a24; --warn-soft:#3d2a07; --bad-soft:#3f1414; --info-soft:#13284a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b1020; --bg-2:#111a2e; --fg:#e5e9f5; --muted:#9aa5bd; --line:#243049; --card:#141d33; --ind-soft:#3b2412; --shadow:0 4px 16px rgba(0,0,0,.4);
  --ok-soft:#113a24; --warn-soft:#3d2a07; --bad-soft:#3f1414; --info-soft:#13284a; color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.5}
a{color:var(--ind)}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.2;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:1.6rem}h2{font-size:1.2rem}h3{font-size:1rem}
p{margin:0 0 .8em}
.btn{display:inline-flex;align-items:center;gap:.4em;background:var(--ind);color:#fff;text-decoration:none;font-weight:600;padding:.6em 1.1em;border-radius:8px;border:1px solid var(--ind);cursor:pointer;font:inherit;font-weight:600;font-size:.92rem;transition:background .15s}
.btn:hover{background:var(--ind-2)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}.btn.ghost:hover{background:var(--bg)}
.btn.ok{background:var(--ok);border-color:var(--ok)}.btn.bad{background:var(--bad);border-color:var(--bad)}
.btn.sm{padding:.4em .8em;font-size:.84rem}
.btn.link{background:none;border:0;color:var(--ind);padding:0}
:is(a,button,input,select,textarea):focus-visible{outline:3px solid #fdba74;outline-offset:2px}

/* layout */
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.side{background:var(--slate);color:#cbd5e1;display:flex;flex-direction:column;padding:1.2rem 0;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.2rem;padding:0 1.4rem 1.2rem;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--ind);display:grid;place-items:center;font-size:1rem}
.brand .mark::before{content:"✈";color:#fff;transform:rotate(-20deg)}
.side .sec{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#8fa6cc;padding:1.2rem 1.4rem .4rem;font-weight:700}
.side a.nav{display:flex;align-items:center;gap:.7rem;color:#cbd5e1;text-decoration:none;padding:.6rem 1.4rem;font-weight:500;border-left:3px solid transparent}
.side a.nav:hover{background:rgba(255,255,255,.05);color:#fff}
.side a.nav[aria-current="page"]{background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--ind)}
.side .ic{width:22px;text-align:center;opacity:.9}
.side .cnt{margin-left:auto;background:var(--ind);color:#fff;font-size:.7rem;font-weight:700;padding:.1em .5em;border-radius:999px;font-variant-numeric:tabular-nums}
.side .me{margin-top:auto;padding:1rem 1.4rem;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:.7rem;align-items:center}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--ind);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem;flex:0 0 36px}
.side .me b{display:block;color:#fff;font-size:.9rem;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.side .me span{font-size:.75rem;color:#a9bcdc}
.side .me a{color:#a9bcdc;font-size:.8rem;text-decoration:none;margin-left:auto;white-space:nowrap}.side .me a:hover{color:#fff}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--bg-2);border-bottom:1px solid var(--line);padding:.8rem max(16px,env(safe-area-inset-right,0px)) .8rem 1.6rem;display:flex;align-items:center;gap:1rem;position:sticky;top:0;z-index:10}
.topbar h1{margin:0;font-size:1.25rem}
.topbar .co{color:var(--muted);font-size:.85rem}
.topbar .sp{margin-left:auto;display:flex;gap:.6rem;align-items:center}
.menu-toggle{display:none;width:40px;height:38px;background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--fg);border-radius:2px}
.content{padding:1.6rem max(16px,env(safe-area-inset-right,0px)) 2.5rem 1.6rem;display:grid;gap:1.4rem;align-content:start}
footer.foot{margin-top:auto;padding:1rem 1.6rem;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}
footer.foot ul{list-style:none;margin:0;padding:0;display:flex;gap:1.2rem;flex-wrap:wrap}

/* components */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;box-shadow:var(--shadow)}
.stat span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.stat b{display:block;font-family:var(--display);font-size:1.9rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;margin-top:.2rem}
.stat small{color:var(--muted);font-size:.8rem}
.stat.i b{color:var(--ind)}.stat.w b{color:var(--warn)}.stat.g b{color:var(--ok)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);min-width:0}
.panel .ph{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel .ph h2{margin:0}
.panel .pb{padding:1.2rem}
.two{display:grid;grid-template-columns:1.7fr 1fr;gap:1.4rem;align-items:start}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:.7em .9rem;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:.7em .9rem;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.who{display:flex;align-items:center;gap:.6rem}.who .avatar{width:30px;height:30px;font-size:.72rem;flex-basis:30px}
.who b{display:block;font-weight:600;line-height:1.2}.who span{font-size:.78rem;color:var(--muted)}
.who .avatar,.side .me .avatar,.avatar{color:#fff;font-size:.8rem;font-weight:700;letter-spacing:.02em}
.chip{display:inline-block;font-size:.74rem;font-weight:700;padding:.25em .7em;border-radius:999px;letter-spacing:.03em}
.chip.Pending{background:var(--warn-soft);color:var(--warn)}.chip.Approved{background:var(--ok-soft);color:var(--ok)}.chip.Rejected{background:var(--bad-soft);color:var(--bad)}.chip.Cancelled{background:var(--line);color:var(--muted)}
.chip.t{background:var(--ind-soft);color:var(--ind)}
.chip.role{background:var(--info-soft);color:var(--info)}
.empty{padding:2rem;text-align:center;color:var(--muted)}
.form{display:grid;gap:.9rem}
label.f{font-weight:600;font-size:.85rem;display:grid;gap:.3rem}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],select,textarea{font:inherit;padding:.6em .75em;border:1px solid var(--line);border-radius:8px;background:var(--bg-2);color:var(--fg);width:100%}
textarea{min-height:90px;resize:vertical}
.chk{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.chk input{width:auto;margin:0}.chk label{cursor:pointer}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.err{color:var(--bad);font-size:.84rem;font-weight:600}
.notice{background:var(--ind-soft);border-left:4px solid var(--ind);padding:.8rem 1rem;border-radius:0 8px 8px 0;font-weight:500;font-size:.92rem}
.notice.ok{background:var(--ok-soft);border-color:var(--ok)}.notice.bad{background:var(--bad-soft);border-color:var(--bad)}
.bal{display:grid;gap:.7rem}
.bal .b{display:grid;gap:.3rem}
.bal .b div{display:flex;justify-content:space-between;font-size:.88rem}.bal .b div b{font-variant-numeric:tabular-nums}
.bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:var(--ind);border-radius:999px}
.actions{display:flex;gap:.4rem;flex-wrap:wrap}
.review{display:grid;gap:.5rem;min-width:190px}
.tabs{display:flex;gap:.3rem;border-bottom:1px solid var(--line);padding:0 1.2rem}
.tabs a,.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:.7em .9em;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;text-decoration:none;margin-bottom:-1px}
.tabs .on{color:var(--ind);border-bottom-color:var(--ind)}
.tree{list-style:none;padding:0;margin:0}
.tree li{padding:.35em 0 .35em 1em;border-left:2px solid var(--line);margin-left:.6em}
.tree ul{list-style:none;padding:0;margin:.2em 0 0}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login .left{background:var(--slate);color:#d6e0f0;padding:3rem max(16px,env(safe-area-inset-left,0px)) 3rem 3.5rem;display:flex;flex-direction:column;justify-content:center;gap:1.5rem;position:relative;overflow:hidden}
.login .left::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:var(--ind);opacity:.25;right:-200px;bottom:-200px}
.login .left>*{position:relative}
.login .left h1{color:#fff;font-size:2.4rem;max-width:14ch}
.login .left .brand{padding:0;border:0;font-size:1.4rem}
.login .left ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.price-tag{display:inline-flex;align-items:baseline;gap:.6rem;background:var(--ind);color:#fff;border-radius:12px;padding:.8rem 1.2rem;width:fit-content;margin-top:.4rem}
.price-tag b{font-family:var(--display);font-size:1.35rem;font-weight:700}.price-tag span{font-size:.9rem;color:#ffe6d5}
.login .left li::before{content:"✓ ";color:var(--ind);font-weight:700}
.login .right{display:grid;place-items:center;padding:2rem max(16px,env(safe-area-inset-right,0px))}
.login .box{width:min(100%,420px);display:grid;gap:1rem}
.login .box h2{font-size:1.5rem;margin:0}
.demo{background:var(--card);border:1px dashed var(--line);border-radius:10px;padding:.9rem 1rem;font-size:.85rem}
.demo b{display:block;margin-bottom:.4rem}
.demo .d{display:flex;justify-content:space-between;gap:.5rem;padding:.3em 0;border-top:1px solid var(--line);align-items:center}
.demo .d:first-of-type{border-top:0}
.demo .d span{color:var(--muted)}
.demo .d button{font-size:.78rem}

@media (max-width:980px){.cards{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}.login{grid-template-columns:1fr}.login .left{padding:2.5rem max(16px,env(safe-area-inset-left,0px))}}
@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:260px;z-index:30;transform:translateX(-100%);transition:transform .2s;height:100vh}
  .side.open{transform:none;box-shadow:0 0 0 100vw rgba(0,0,0,.4)}
  .menu-toggle{display:flex}
  .content{padding:1.2rem max(16px,env(safe-area-inset-right,0px)) 2rem max(16px,env(safe-area-inset-left,0px))}
  .topbar{padding-left:max(16px,env(safe-area-inset-left,0px))}
}
@media (max-width:520px){.cards,.row2{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}