/* IMT955 — classification & survey overview
   Visual register: a class society's survey register. Marine ink + paper,
   monospace for registry data (IMO/MMSI/dates), signal colours for due dates. */

:root{
  --ink:#0f2233; --ink-2:#13283c; --ink-soft:#2a4359;
  --paper:#f3f4f2; --card:#ffffff;
  --line:#dde2e6; --line-soft:#e9edf0;
  --steel:#5d6b77; --steel-2:#7d8a95;
  --brass:#b0832f; --brass-soft:#e9dcc2;
  --red:#bb2e22; --red-bg:#fbe9e6; --red-line:#e7a59d;
  --amber:#b9760e; --amber-bg:#fcf2df; --amber-line:#e8ca8a;
  --green:#1e7a69;
  --mark-bg:#fbdede; --mark-line:#dd9b9b; --mark-ink:#9a3030;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --radius:9px; --shadow:0 1px 2px rgba(15,34,51,.06),0 6px 22px rgba(15,34,51,.05);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink-2);font-family:var(--sans);
  font-size:15px;line-height:1.5;letter-spacing:.005em}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--ink);color:#eef2f5;padding:0 22px;height:56px;
  border-bottom:3px solid var(--brass);position:sticky;top:0;z-index:20}
.brand{color:#fff;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  font-size:14px;display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--brass);font-size:13px;transform:translateY(-1px)}
.topnav{display:flex;align-items:center;gap:18px;font-size:14px}
.topnav a{color:#cdd8e0}
.topnav a:hover{color:#fff}
.topnav .who{color:var(--steel-2);font-size:13px;padding-left:6px;border-left:1px solid #2c4257}
.btn-ghost{border:1px solid #34506a;border-radius:6px;padding:6px 12px;color:#dbe4ea !important}
.btn-ghost:hover{background:#16314a;text-decoration:none}

.wrap{max-width:1120px;margin:0 auto;padding:30px 22px 56px}
.foot{max-width:1120px;margin:0 auto;padding:26px 22px 40px;color:var(--steel-2);
  font-size:12px;letter-spacing:.04em;text-transform:uppercase}

/* ---------- headings ---------- */
.page-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:4px 0 20px;
  padding-bottom:14px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:24px;margin:0;font-weight:650;letter-spacing:-.01em}
h1,h2,h3{color:var(--ink)}
.muted{color:var(--steel);font-size:13px;font-weight:400}
.crumb{color:var(--steel);font-size:13px;margin:0 0 10px}
.crumb a{color:var(--ink-soft)}
.mono{font-family:var(--mono);font-size:.92em;letter-spacing:0}

/* ---------- auth ---------- */
.auth-card{max-width:420px;margin:8vh auto 0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 32px;
  border-top:3px solid var(--brass)}
.auth-title{font-size:22px;margin:0 0 8px}
.auth-sub{color:var(--steel);margin:0 0 22px;font-size:14px}
.auth-form{display:flex;flex-direction:column;gap:8px}
.auth-form label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--steel)}
.auth-alt{margin:18px 0 0;font-size:13px}
.auth-alt a{color:var(--steel)}

/* ---------- inputs ---------- */
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink-2);background:#fff;
  border:1px solid #c8d0d7;border-radius:7px;padding:9px 11px;width:100%}
input.mono{font-family:var(--mono)}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brass);outline-offset:1px;border-color:var(--brass)}
label{font-size:13px}

/* ---------- buttons ---------- */
.btn{background:var(--ink-2);color:#fff;border:0;border-radius:7px;padding:11px 16px;
  font-size:15px;font-weight:600;cursor:pointer;margin-top:6px}
.btn:hover{background:var(--ink)}
.btn-sm{background:var(--ink-2);color:#fff;border:0;border-radius:6px;padding:8px 13px;
  font-size:13.5px;font-weight:600;cursor:pointer;white-space:nowrap}
.btn-sm:hover{background:var(--ink)}
.btn-xs{display:inline-block;background:#eef2f5;color:var(--ink) !important;border:1px solid #d2dae0;
  border-radius:5px;padding:4px 9px;font-size:12.5px;cursor:pointer}
.btn-xs:hover{background:#e3e9ee;text-decoration:none}
.link-danger{background:none;border:0;color:var(--red);cursor:pointer;font-size:12.5px;padding:2px 4px}
.link-danger:hover{text-decoration:underline}
button{font-family:inherit}

/* ---------- flash ---------- */
.flash{border-radius:7px;padding:11px 14px;margin:0 0 18px;font-size:14px;border:1px solid}
.flash-info{background:#eef3f6;border-color:#d5dee4;color:var(--ink-2)}
.flash-ok{background:#e9f4ef;border-color:#bfe0d1;color:#155f48}
.flash-error{background:var(--red-bg);border-color:var(--red-line);color:#8f261c}

/* ---------- tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table.grid{width:100%;border-collapse:collapse;font-size:14px}
table.grid thead th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;
  color:var(--steel);background:#f4f7f9;padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
table.grid tbody tr:last-child td{border-bottom:0}
table.grid tbody tr:hover{background:#f8fafb}
table.grid.sm{font-size:13.5px}
table.grid.sm td,table.grid.sm thead th{padding:8px 12px}
.td-name{font-weight:600}
.td-name a{color:var(--ink)}
.dd-date{display:block;font-family:var(--mono);font-size:13px}
.dd-type{display:block;color:var(--steel);font-size:12px;margin-top:1px}

/* sortable fleet table */
table.fleet thead th[data-sortable]{cursor:pointer;user-select:none;position:relative;padding-right:20px}
table.fleet thead th[data-sortable]:hover{color:var(--brass)}
table.fleet thead th[data-sortable]::after{content:"";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  border-left:3.5px solid transparent;border-right:3.5px solid transparent;border-bottom:5px solid var(--line);opacity:.7}
table.fleet thead th.sort-asc::after{border-bottom:5px solid var(--brass);border-top:0;opacity:1}
table.fleet thead th.sort-desc::after{border-top:5px solid var(--brass);border-bottom:0;opacity:1}
.th-num,.td-num{width:1px;white-space:nowrap;text-align:right;color:var(--steel-2);
  font-family:var(--mono);font-size:12.5px;font-variant-numeric:tabular-nums}
table.fleet thead th.th-num{padding-right:14px}
table.fleet thead th.th-num::after{display:none}

/* due-date signalling */
tr.due-red>td,td.due-red{background:var(--red-bg)}
tr.due-red>td:first-child,td.due-red{box-shadow:inset 3px 0 0 var(--red)}
tr.due-amber>td,td.due-amber{background:var(--amber-bg)}
tr.due-amber>td:first-child,td.due-amber{box-shadow:inset 3px 0 0 var(--amber)}
.planner tbody tr td:first-child{font-weight:500}

.chip{display:inline-block;font-size:12px;padding:3px 9px;border-radius:20px;border:1px solid;margin-right:6px}
.chip.due-red{background:var(--red-bg);border-color:var(--red-line);color:#8f261c;box-shadow:none}
.chip.due-amber{background:var(--amber-bg);border-color:var(--amber-line);color:#8a5709;box-shadow:none}
.legend{margin:12px 0 0;font-size:12px}
.rc-head{margin:0 0 12px;font-size:14px;color:var(--ink-2)}
.rc-fifi{margin:12px 0 0;font-size:14px;color:var(--ink-2)}
.chip-fifi{background:var(--ink);color:#fff;border:0;font-weight:600;letter-spacing:.03em}

/* marked vessels (light red) */
.marked-row>td:not(.due-red):not(.due-amber){background:var(--mark-bg)}
.marked-row>td:first-child{box-shadow:inset 4px 0 0 var(--mark-line)}
.chip-mark{background:var(--mark-bg);border:1px solid var(--mark-line);color:var(--mark-ink);box-shadow:none}
.toggle.mark{background:var(--mark-bg);border-color:var(--mark-line);color:var(--mark-ink)}

/* tags */
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600;
  text-transform:uppercase;letter-spacing:.04em}
.tag-on{background:#e3f3ec;color:#16805f}
.tag-off{background:#eef1f3;color:var(--steel)}
.tag-admin{background:var(--brass-soft);color:#6f5012}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:22px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow)}
.card-wide{margin:22px 0}
.card h2{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--brass);
  margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}
.card h3{font-size:13px;margin:16px 0 8px;color:var(--ink-soft)}

dl.kv{display:grid;grid-template-columns:minmax(120px,40%) 1fr;gap:7px 14px;margin:0}
dl.kv dt{color:var(--steel);font-size:13px}
dl.kv dd{margin:0;font-size:14px;font-weight:500}

/* ---------- vessel page top ---------- */
.vp-top{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;margin:20px 0 4px}
.vp-photo{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
.vp-photo img{display:block;width:100%;height:100%;max-height:300px;object-fit:cover}
.vp-photo-empty{display:flex;align-items:center;justify-content:center;min-height:200px;
  color:var(--steel-2);font-size:14px;background:repeating-linear-gradient(135deg,#fafbfc,#fafbfc 12px,#f3f5f7 12px,#f3f5f7 24px)}
.vp-photo-up{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line-soft);align-items:center;flex-wrap:wrap}
.vp-photo-up input[type=file]{font-size:12px}
.vp-due{display:flex;flex-direction:column;justify-content:center;gap:4px;
  background:var(--ink);color:#eef2f5;border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.vp-due.due-red{background:#7a241b;box-shadow:none}
.vp-due.due-amber{background:#7c5209;box-shadow:none}
.vp-due-label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#aebdc8}
.vp-due.due-red .vp-due-label,.vp-due.due-amber .vp-due-label{color:#f0dcd6}
.vp-due-date{font-family:var(--mono);font-size:27px;font-weight:600;letter-spacing:-.01em}
.vp-due-type{font-size:13px;color:#c4d0d9}

/* ---------- adders ---------- */
.adder{margin-top:14px;border-top:1px solid var(--line-soft);padding-top:12px}
.adder summary{cursor:pointer;color:var(--ink-soft);font-size:13.5px;font-weight:600;list-style:none}
.adder summary::-webkit-details-marker{display:none}
.adder summary::before{content:"+ ";color:var(--brass)}
.adder[open] summary::before{content:"− "}
.form-row{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:12px}
.form-row input,.form-row select{width:auto;flex:1 1 130px;min-width:120px}
.form-row button{flex:0 0 auto}
.hint{color:var(--steel-2);font-size:12.5px;margin:10px 0 0}

.doc-group{margin-bottom:14px}
.doc-list{list-style:none;margin:0;padding:0}
.doc-list li{padding:7px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.doc-list li:last-child{border-bottom:0}
.inline{display:inline}
form.inline{display:inline}

/* ---------- admin ---------- */
.admin-tabs{display:flex;gap:4px;flex-wrap:wrap;margin:0 0 22px;border-bottom:1px solid var(--line)}
.admin-tabs a{padding:9px 15px;font-size:14px;color:var(--steel);border-bottom:2px solid transparent;margin-bottom:-1px}
.admin-tabs a:hover{color:var(--ink);text-decoration:none}
.admin-tabs a.on{color:var(--ink);border-bottom-color:var(--brass);font-weight:600}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:0 0 24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow)}
.stat:hover{text-decoration:none;border-color:var(--brass-soft)}
.stat-n{font-size:28px;font-weight:700;color:var(--ink);font-family:var(--mono)}
.stat-l{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--steel)}

.row-actions{white-space:nowrap}
.row-actions .btn-xs,.row-actions form{margin-right:2px}
details.mini{display:inline-block;vertical-align:middle}
details.mini summary{cursor:pointer;color:var(--ink-soft);font-size:12.5px;display:inline;list-style:none}
details.mini summary::-webkit-details-marker{display:none}
details.mini[open]{display:block;margin:8px 0}
.stack{display:flex;flex-direction:column;gap:8px;max-width:340px;margin-top:8px}
.stack .chk,.inline-lbl{font-size:13px}
.chk{display:flex;align-items:center;gap:8px;font-size:14px}
.chk input{width:auto}
.inline-lbl select{width:auto;display:inline-block;margin-left:6px}
.row-hl{animation:hl 2.4s ease}
@keyframes hl{0%,40%{background:#fcf3df}100%{background:transparent}}

.toggle{border:1px solid;border-radius:20px;padding:4px 12px;font-size:12.5px;cursor:pointer;font-weight:600}
.toggle.on{background:#e3f3ec;border-color:#bfe0d1;color:#16805f}
.toggle.off{background:#eef1f3;border-color:#d7dde2;color:var(--steel)}

.grid2{display:grid;grid-template-columns:200px 1fr;gap:10px 16px;align-items:center}
.grid2 label{color:var(--steel);font-size:13px}
.vedit .card{margin-bottom:16px}
.ov-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:9px 16px;margin-bottom:16px}
.form-actions{display:flex;gap:12px;align-items:center;margin:8px 0 4px}
.spacer{flex:1}
.danger-zone{margin:18px 0 0}

/* ---------- responsive ---------- */
@media (max-width:760px){
  .vp-top{grid-template-columns:1fr}
  dl.kv{grid-template-columns:1fr;gap:2px}
  dl.kv dt{margin-top:8px}
  .grid2{grid-template-columns:1fr;gap:4px}
  .grid2 label{margin-top:8px}
  .topnav{gap:12px;font-size:13px}
  .topnav .who{display:none}
  .wrap{padding:22px 14px 44px}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}