:root{--navy:#15264b;--navy2:#1f3864;--blue:#2e5496;--gold:#bf9000;--gold2:#d4a418;--teal:#2f7d7b;--purple:#6c3aa0;--green:#1f9d57;--red:#d23b3b;--bg:#eef1f7;--card:#fff;--line:#e3e8f0;--ink:#1b2333;--muted:#7c879b;--chip:#eef2fb}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
img{max-width:100%}
button{font-family:inherit;cursor:pointer}
.ktp-loading{padding:60px;text-align:center;color:var(--muted)}
.btn{border:0;border-radius:10px;padding:10px 16px;font-weight:700;font-size:14px;cursor:pointer;transition:.15s}
.btn:hover{filter:brightness(1.07)}
.btn-gold{background:var(--gold);color:#fff}.btn-navy{background:var(--navy);color:#fff}
.btn-green{background:var(--green);color:#fff}.btn-red{background:var(--red);color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid #ffffff66}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:8px}
.btn-block{display:block;width:100%;text-align:center;margin-top:8px}
/* header */
.hd{display:flex;align-items:center;gap:14px;background:linear-gradient(90deg,var(--navy),var(--blue));color:#fff;padding:11px 18px;position:sticky;top:0;z-index:40;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.hd .logo{height:42px;background:#fff;border-radius:8px;padding:3px 7px}
.hd .brand{font-weight:800;font-size:18px}.hd .brand span{color:var(--gold2)}
.hd .sp{flex:1}
.hd .who{font-size:13px;display:flex;align-items:center;gap:8px}
.badge{background:var(--gold);color:#241900;border-radius:20px;padding:2px 10px;font-weight:800;font-size:11px;text-transform:uppercase}
.wrap{max-width:1120px;margin:18px auto;padding:0 16px}
.nav{display:flex;gap:6px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:7px;margin:16px auto;max-width:1120px;position:sticky;top:66px;z-index:30}
.nav button{border:0;background:transparent;color:var(--navy);font-weight:700;font-size:13px;padding:9px 14px;border-radius:9px}
.nav button:hover{background:#eef2fb}.nav button.active{background:var(--navy);color:#fff}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:16px;box-shadow:0 1px 4px rgba(20,30,60,.05)}
.card h2{margin:.1em 0 .3em;color:var(--navy)}
.card h3{color:var(--navy);margin:16px 0 8px}
.muted{color:var(--muted);font-size:13px}
label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin:10px 0 4px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fcfdff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:12px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1fr 1fr 1fr}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:760px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{border:1px solid var(--line);padding:8px;text-align:center}
th{background:var(--navy);color:#fff;font-size:12px}
tbody tr:nth-child(even){background:#f8faff}
.pill{display:inline-block;background:var(--chip);color:var(--navy);border-radius:20px;padding:2px 10px;font-size:11px;font-weight:700}
.pill-green{background:#e2efda;color:#1f6e3b}
.tag{display:inline-block;background:var(--chip);color:var(--navy);border-radius:8px;padding:3px 9px;font-size:12px;margin:2px}
.tag .x{color:var(--red);cursor:pointer;font-weight:800;margin-left:6px}
.chip{display:inline-flex;align-items:center;gap:6px;background:#eaf3ec;color:#1f6e3b;border:1px solid #cfe6d6;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:700;margin:3px}
.chip .x{cursor:pointer;color:var(--red);font-weight:800}
.day{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:#fbfcff}
.day .dh{display:flex;align-items:center;gap:8px;margin-bottom:6px}.day .dh b{color:var(--teal)}
.tripcard{cursor:pointer;border:1px solid var(--line);border-radius:12px;padding:14px;background:#fbfcff;transition:.15s}
.tripcard:hover{border-color:var(--blue);box-shadow:0 4px 14px rgba(20,40,90,.1)}
.tripcard .nm{font-weight:800;color:var(--navy)}
.trips{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.msgs{max-height:320px;overflow:auto;background:#f7f9ff;border:1px solid var(--line);border-radius:10px;padding:8px}
.msg{margin:6px 0;display:flex}.msg.mine{justify-content:flex-end}
.msg .bub{max-width:75%;padding:8px 11px;border-radius:12px;font-size:13px}
.msg.mine .bub{background:var(--blue);color:#fff}.msg.theirs .bub{background:#fff;border:1px solid var(--line)}
.msg .who{font-size:10px;opacity:.7;margin-bottom:2px}
.note{padding:9px 12px;border-radius:9px;font-size:13px;margin:10px 0;font-weight:600}
.note-err{background:#fde2e2;color:#9d2b2b}.note-ok{background:#e2efda;color:#1f6e3b}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);color:#fff;padding:11px 20px;border-radius:10px;font-weight:700;box-shadow:0 4px 18px rgba(0,0,0,.22);opacity:0;transition:.3s;z-index:9999;pointer-events:none}
.toast.show{opacity:1}
/* landing */
.hero{background:linear-gradient(120deg,var(--navy),#243f78);color:#fff;padding:64px 18px;text-align:center}
.hero h1{font-size:40px;margin:0 0 10px}.hero p{font-size:18px;opacity:.92;max-width:620px;margin:0 auto 22px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.auth{max-width:980px;margin:-40px auto 0;padding:0 16px 20px;position:relative;z-index:5}
.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.auth-grid{grid-template-columns:1fr}.hero h1{font-size:30px}}
.auth .card{box-shadow:0 10px 34px rgba(20,30,60,.12)}
.features{max-width:1120px;margin:38px auto;padding:0 16px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.features{grid-template-columns:1fr}}
.feat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center}
.feat .ic{font-size:32px}.feat h3{color:var(--navy);margin:8px 0 6px}
.assignbox{background:#f7f9ff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-top:8px}
.hi{font-size:20px;font-weight:800;color:var(--gold)}
.foot{background:var(--navy);color:#aab6d6;text-align:center;padding:18px;font-size:13px;margin-top:30px}