:root{--night:#0a1a33;--deep:#050d1c;--panel:#10264a;--edge:#1f3b68;--text:#dfe7f3;--dim:#8fa3c2;
  --amber:#ffb81c;--orange:#ff7a1a;--cream:#fbf6e8;--ink:#17202c;--inkdim:#5d6470;--green:#12894a;--red:#c2331f}
*{box-sizing:border-box}
html{background:var(--night)}
body{margin:0;font-family:"Barlow",system-ui,sans-serif;font-size:17px;line-height:1.5;color:var(--text);
  background:radial-gradient(1200px 500px at 80% -100px,#16356a 0,transparent 70%) no-repeat,var(--night);min-height:100vh}
h1,h2,.brand,.route,.total{font-family:"Barlow Condensed","Barlow",system-ui,sans-serif;font-weight:700;line-height:1;margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}

/* header */
header.top .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px;gap:12px;flex-wrap:wrap}
.brand{font-size:30px;text-decoration:none;color:#fff;letter-spacing:.01em}
.brand span{background:var(--amber);color:var(--deep);padding:0 8px;margin-left:4px;display:inline-block;transform:skewX(-8deg)}
.top nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.top nav form{margin:0}
.top nav a,.linkbtn{color:var(--text);font:inherit;background:none;border:0;padding:0;cursor:pointer;text-decoration:none;border-bottom:2px solid transparent}
.top nav a:hover,.linkbtn:hover{border-bottom-color:var(--amber)}

/* buttons, inputs */
.btn{display:inline-block;background:var(--amber);color:var(--deep);font:600 17px "Barlow",sans-serif;padding:12px 22px;border:0;border-radius:4px;text-decoration:none;cursor:pointer;transition:transform .12s}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}
.top nav a.btn{border:0;color:var(--deep)}
.btn.big{font-size:20px;padding:15px 30px}
.btn.small{padding:7px 13px;font-size:15px}
.btn.quiet{background:transparent;border:1.5px solid var(--edge);color:var(--text)}
input{font:inherit;padding:10px 12px;border:1.5px solid var(--edge);border-radius:4px;background:var(--deep);color:#fff}
input::placeholder{color:#6f84a6}
.fine{color:var(--dim);font-size:15px;max-width:62ch}
.flash{background:#3a2c08;border-left:4px solid var(--amber);padding:11px 15px;margin:0 0 20px;border-radius:0 4px 4px 0}

/* landing */
.hero{padding:36px 0 70px}
.hero h1{font-size:clamp(52px,10vw,112px);text-transform:uppercase;letter-spacing:-.01em;color:#fff;max-width:11ch}
.hero h1 em{font-style:normal;color:var(--amber);display:block}
.hero p{max-width:50ch;font-size:20px;color:var(--text);margin:22px 0 30px}
.board{background:var(--deep);border:1px solid #14284a;border-radius:8px;margin-top:54px;padding:8px 22px 14px;
  box-shadow:0 30px 60px -20px #000a, inset 0 0 0 4px #0a1730;overflow-x:auto}
.board table{width:100%;border-collapse:collapse;min-width:560px}
.board th{font:500 14px "Barlow",sans-serif;color:var(--dim);text-align:left;padding:12px 14px 6px 0}
.board td{font-family:"Doto",ui-monospace,Menlo,monospace;font-weight:900;font-size:25px;color:var(--amber);padding:10px 14px 10px 0;border-top:1px solid #10203c;white-space:nowrap;text-shadow:0 0 12px #ffb81c66}
.board th:last-child,.board td:last-child{text-align:right;padding-right:0}
.board .st{min-width:9ch}
.board .st.late{color:#ff5a3c;text-shadow:0 0 12px #ff5a3c66}
.board .st.owed{color:#5dff9b;text-shadow:0 0 12px #5dff9b66}
.how{padding:10px 0 70px}
.how h2{font-size:44px;text-transform:uppercase;color:#fff;margin-bottom:28px}
.line{list-style:none;margin:0 0 30px 9px;padding:0;border-left:4px solid var(--amber);max-width:60ch}
.line li{position:relative;padding:0 0 26px 30px;font-size:19px}
.line li:last-child{padding-bottom:0}
.line li::before{content:"";position:absolute;left:-13px;top:3px;width:14px;height:14px;border-radius:50%;background:var(--night);border:4px solid #fff}
.line li:last-child::before{background:var(--amber);border-color:var(--amber)}
footer{padding:10px 20px 34px}

/* app shell */
main.app{padding:14px 0 60px}
.panel{background:var(--panel);border:1px solid var(--edge);border-radius:8px;padding:22px;margin-bottom:22px}
.panel h2{font-size:30px;text-transform:uppercase;color:#fff;margin:0 0 14px}
.address{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:10px}
.address code{font:600 17px ui-monospace,Menlo,monospace;background:var(--deep);color:var(--amber);padding:10px 14px;border-radius:4px;word-break:break-all}
.sums{display:flex;gap:56px;flex-wrap:wrap}
.total{font-size:60px;color:#fff}.sums div:first-child .total{color:var(--amber)}
.meta{color:var(--dim);font-size:15px}

/* the ticket: orange-stripe card with punched notches */
.ticket{display:grid;grid-template-columns:1fr auto;gap:10px 22px;align-items:center;color:var(--ink);margin-top:16px;padding:26px 30px;
  background:linear-gradient(var(--orange) 0 9px,var(--cream) 9px calc(100% - 9px),var(--orange) calc(100% - 9px));
  -webkit-mask:radial-gradient(circle 11px at 0 50%,#0000 97%,#000) 0 0/51% 100% no-repeat,radial-gradient(circle 11px at 100% 50%,#0000 97%,#000) 100% 0/51% 100% no-repeat;
  mask:radial-gradient(circle 11px at 0 50%,#0000 97%,#000) 0 0/51% 100% no-repeat,radial-gradient(circle 11px at 100% 50%,#0000 97%,#000) 100% 0/51% 100% no-repeat}
.route{font-size:30px;text-transform:uppercase;letter-spacing:.005em}
.route i{font-style:normal;font-weight:500;color:var(--orange);text-transform:lowercase;padding:0 .12em}
.ticket .meta{color:var(--inkdim)}
.state{font:700 19px/1.15 "Barlow Condensed",sans-serif;text-transform:uppercase;text-align:center;color:var(--inkdim);
  border:3px solid currentColor;border-radius:6px;padding:7px 12px;transform:rotate(-4deg);max-width:13ch;opacity:.9}
.state.owed{color:#b85400}.state.ok{color:var(--green)}.state.bad{color:var(--red)}
.actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;align-items:center;border-top:1.5px dashed #cfc5a8;padding-top:12px}
.actions:empty{display:none}
.actions form{display:flex;gap:8px;align-items:center;margin:0;flex-wrap:wrap}
.ticket .btn{background:var(--night);color:#fff}
.ticket .btn.quiet{background:transparent;border-color:#b9ad8c;color:var(--ink)}
.ticket input{background:#fff;color:var(--ink);border-color:#b9ad8c}.ticket input::placeholder{color:#8a8f98}
.ticket code{background:#efe7d0;padding:1px 6px;border-radius:3px}
.del{color:var(--inkdim);font-size:14px;background:none;border:0;text-decoration:underline;cursor:pointer;padding:0;margin-left:auto}
.claim{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;margin:12px 0 0;font-size:15px}
.claim dt{color:var(--inkdim)}.claim dd{margin:0;word-break:break-word}

/* forms */
.auth{max-width:420px;margin:40px auto}.auth h1{font-size:44px;text-transform:uppercase;color:#fff;margin-bottom:8px}
.auth label{display:block;margin:14px 0 5px;font-weight:500}.auth input{width:100%}
.auth .btn{margin-top:22px;width:100%}
.fields h2{margin-top:30px}.fields h2:first-child{margin-top:0}
.fields label{display:block;margin:13px 0 5px;font-weight:500}
.fields input:not([type=checkbox]){width:100%;max-width:440px}
.fields .check{display:flex;gap:11px;align-items:flex-start;font-weight:400;max-width:62ch;margin:24px 0}
.fields .check input{margin-top:4px;width:19px;height:19px;accent-color:var(--amber)}
.todo{margin:12px 0 0;padding-left:22px}.todo .done{color:#5dff9b;text-decoration:line-through}
.prose{max-width:70ch}.prose h1{font-size:48px;text-transform:uppercase;color:#fff;margin-bottom:14px}.prose h2{margin-top:26px;font-size:24px}
.msg{border-top:1px solid var(--edge);padding:11px 0}.msg summary{cursor:pointer}
.msg pre{white-space:pre-wrap;font-size:14px;background:var(--deep);padding:12px;border-radius:4px;max-height:300px;overflow:auto}
.msg .del,.panel>.ticket~form .del{color:var(--dim)}

@media(max-width:600px){.ticket{grid-template-columns:1fr;padding:24px 22px}.state{justify-self:start;transform:rotate(-2deg)}.total{font-size:46px}.sums{gap:28px}}
@media(prefers-reduced-motion:reduce){.btn{transition:none}}
.top nav a.btn{background:var(--amber)}
footer.fine{max-width:1000px}
.del{margin-left:0}.actions form:last-child{margin-left:auto}
.panel .board{margin-top:0;box-shadow:inset 0 0 0 4px #0a1730}
.panel .board td{font-size:19px}
.board td.dimrow{color:var(--dim);text-shadow:none;font:400 16px "Barlow",sans-serif;text-align:left}
#add input{max-width:230px}
input[type=file]{padding:8px;max-width:100%}