/* ============================================================
   Plan on a Page — theme
   Linked from plan-on-a-page.html via:
     <link rel="stylesheet" href="theme.css">
   Adjust the href in the HTML if you serve this from another
   path (e.g. /static/theme.css).
   ============================================================ */
:root{
  --ink:#0B1F3A; --ink2:#16335A; --purple:#5B2A86; --teal:#1F8A8A;
  --bg:#EAEEF3; --panel:#FFFFFF; --line:#D7DCE3; --muted:#5A6675; --muted2:#8A93A1;
  --r0:#C0392B; --r1:#DB7A2A; --r2:#C99413; --r3:#5FA63D; --r4:#2E7D32;
  --ok:#2E7D32; --warn:#C99413; --bad:#C0392B; --info:#1F8A8A;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --radius:12px;
  --shadow:0 1px 2px rgba(11,31,58,.06),0 8px 24px rgba(11,31,58,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;}
button{font-family:inherit}
a{color:var(--teal)}
::selection{background:#d8c8ea}
.topbar{position:sticky;top:0;z-index:40;background:var(--ink);color:#fff;display:flex;align-items:center;gap:18px;padding:12px 20px;border-bottom:3px solid var(--purple);}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand .t{font-weight:700;font-size:15px;letter-spacing:.2px}
.brand .s{font-size:11.5px;color:#aebbcd;letter-spacing:.3px;text-transform:uppercase}
.spacer{flex:1}
.tools{display:flex;gap:8px}
.btn{border:1px solid transparent;border-radius:9px;padding:8px 13px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.15s;text-decoration:none;}
.btn:focus-visible{outline:3px solid #8ec7ff;outline-offset:1px}
.btn-ghost{background:#13294a;color:#dfe7f0;border-color:#274468}
.btn-ghost:hover{background:#1b3457}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#1a7878}
.btn-purple{background:var(--purple);color:#fff}
.btn-purple:hover{background:#4a2270}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:#b9c2cf}
.btn:disabled{opacity:.4;cursor:default}
.app{display:grid;grid-template-columns:248px 1fr;align-items:start}
.rail{position:sticky;top:60px;align-self:start;height:calc(100vh - 60px);overflow:auto;background:#fff;border-right:1px solid var(--line);padding:16px 12px;}
.rail h2{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted2);margin:6px 8px 10px}
.navitem{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:none;border:0;border-radius:10px;padding:9px 9px;cursor:pointer;color:var(--ink);margin-bottom:3px;transition:.12s;text-decoration:none;}
.navitem:hover{background:#f1f4f8}
.navitem.active{background:#eef0fb;box-shadow:inset 0 0 0 1px #d9def4}
.navitem .chip{width:30px;height:30px;flex:none;border-radius:8px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:14px;background:var(--ink)}
.navitem.active .chip{background:var(--purple)}
.navitem .meta{min-width:0;flex:1}
.navitem .nm{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.navitem .pc{font-size:11px;color:var(--muted2);margin-top:3px}
.main{padding:26px clamp(18px,4vw,54px) 90px;max-width:1020px}
.main.wide{max-width:1320px}
.view{display:none;animation:fade .25s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.pagehead{display:flex;gap:20px;align-items:flex-start;margin:4px 0 26px}
.pagehead .big{width:64px;height:64px;flex:none;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:30px;color:#fff;background:linear-gradient(135deg,var(--purple),var(--ink))}
.pagehead .eyebrow{font-size:11.5px;text-transform:uppercase;letter-spacing:.16em;color:var(--purple);font-weight:700}
.pagehead h1{margin:4px 0 8px;font-size:27px;line-height:1.15;letter-spacing:-.01em}
.pagehead p{margin:0;color:var(--muted);max-width:70ch}
.section-label{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:700}
.section-title{margin:3px 0 0;font-size:19px;letter-spacing:-.01em}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 20px 6px;margin:16px 0 22px}
.card > header{display:flex;align-items:baseline;gap:10px;margin-bottom:6px;padding-bottom:12px;border-bottom:1px solid #eef1f5}
.card > header .ref{font-family:var(--mono);font-size:12px;color:#fff;background:var(--ink2);padding:3px 8px;border-radius:6px;letter-spacing:.02em}
.card > header h3{margin:0;font-size:16px}
.card > header .meta-right{margin-left:auto;font-size:12px;color:var(--muted2)}
.card.flush{padding-bottom:20px}
.form-row{margin:0 0 16px}
.form-row label{display:block;font-size:12px;font-weight:700;color:var(--ink2);margin-bottom:6px}
.form-row label span{font-weight:400;color:var(--muted2)}
.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;font:inherit;font-size:13.5px;color:var(--ink);background:#fff;}
.form-row textarea{min-height:64px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(31,138,138,.15);}
.form-row input:disabled{background:#f1f4f8;color:var(--muted2)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.pill{display:inline-block;padding:4px 11px;border-radius:999px;color:#fff;font-weight:700;font-size:12px}
.pill-task{background:var(--teal)}
.pill-milestone{background:var(--purple)}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge-info{background:rgba(31,138,138,.12);color:var(--info)}
.alert{border-radius:10px;padding:12px 14px;margin:0 0 16px;font-size:13.5px;border:1px solid transparent}
.alert-ok{background:rgba(46,125,50,.08);border-color:rgba(46,125,50,.25);color:#1e5524}
.alert-warn{background:rgba(201,148,19,.10);border-color:rgba(201,148,19,.3);color:#7a5c0c}
.alert-bad{background:rgba(192,57,43,.08);border-color:rgba(192,57,43,.25);color:#8a2a20}
.alert-info{background:rgba(31,138,138,.08);border-color:rgba(31,138,138,.25);color:#155f5f}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.dt{width:100%;border-collapse:collapse;font-size:13.5px}
table.dt th,table.dt td{padding:10px 14px;text-align:left;border-bottom:1px solid #eef1f5;vertical-align:top}
table.dt th{background:#f7f9fb;font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted2);font-weight:700}
table.dt tr:last-child td{border-bottom:0}
table.dt tr:hover td{background:#fafcfe}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.flex{display:flex}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.flex-wrap{flex-wrap:wrap}
.gap-8{gap:8px} .gap-12{gap:12px}
.mt-0{margin-top:0} .mt-12{margin-top:12px} .mt-22{margin-top:22px}
.hidden{display:none !important}

/* ---------- App-specific ---------- */
.deps-box{border:1px solid var(--line);border-radius:8px;background:#fff;max-height:150px;overflow:auto;padding:6px}
.deps-box .opt{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:6px;font-size:13px}
.deps-box .opt:hover{background:#f1f4f8}
.deps-box .opt input{width:auto;margin:0}
.deps-box .empty{color:var(--muted2);font-size:12.5px;padding:6px}
.row-actions{display:flex;gap:6px;white-space:nowrap}
.linkbtn{background:none;border:0;color:var(--teal);font-weight:600;font-size:13px;cursor:pointer;padding:4px 2px}
.linkbtn:hover{text-decoration:underline}
.linkbtn.danger{color:var(--bad)}
.dep-tag{display:inline-block;background:#eef0fb;color:var(--ink2);border-radius:6px;padding:1px 7px;font-size:11.5px;font-family:var(--mono);margin:1px 3px 1px 0}
.plan-controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.legend{display:flex;gap:16px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:14px}
.legend .sw{display:inline-flex;align-items:center;gap:7px}
.legend .bar{width:26px;height:12px;border-radius:3px;background:var(--teal)}
.legend .dia{width:13px;height:13px;background:var(--purple);transform:rotate(45deg);border-radius:2px}
.legend .dep{width:24px;height:0;border-top:2px dashed #9aa4b2}
.page-canvas{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);margin:0 0 22px}
.page-cap{font-size:12px;color:var(--muted2);margin:0 0 6px;font-weight:600}
.empty-plan{padding:40px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}
.how-step{display:flex;gap:14px;margin:0 0 16px}
.how-step .n{width:30px;height:30px;flex:none;border-radius:8px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--teal);font-size:14px}
.how-step h4{margin:2px 0 4px;font-size:14.5px}
.how-step p{margin:0;color:var(--muted);font-size:13.5px}
.fld-note{font-size:12px;color:var(--muted2);margin:4px 0 0}

/* ---------- Small screens: nav becomes a horizontal strip at the top ----------
   Placed last so these overrides win over the base .rail / .navitem rules. */
@media (max-width:860px){
  .topbar{flex-wrap:wrap;gap:10px}
  .topbar .spacer{display:none}
  .tools{flex-wrap:wrap}
  .app{grid-template-columns:1fr}
  .rail{
    position:static;height:auto;align-self:auto;
    overflow-x:auto;overflow-y:hidden;
    border-right:0;border-bottom:1px solid var(--line);
    display:flex;gap:8px;padding:10px 12px;
  }
  .rail h2{display:none}
  .navitem{width:auto;flex:0 0 auto;margin-bottom:0}
  .navitem .pc{display:none}
}

/* ---------- Print as PDF ----------
   Each sheet on its own portrait page: plan image at the top, table beneath. */
#printRoot{display:none}
@media print{
  @page{size:A4 portrait;margin:12mm}
  .topbar,.app{display:none !important}
  #printRoot{display:block !important}
  .print-sheet{page-break-after:always;break-after:page}
  .print-sheet:last-child{page-break-after:auto;break-after:auto}
  .print-title{font-family:var(--sans);font-size:14px;color:#0B1F3A;margin:0 0 8px}
  .print-img{width:100%;height:auto;display:block;border:1px solid #D7DCE3;border-radius:4px}
  .print-table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:9.5px;margin-top:8mm}
  .print-table th,.print-table td{border:1px solid #D7DCE3;padding:4px 6px;text-align:left;vertical-align:top}
  .print-table th{background:#f2f4f7;text-transform:uppercase;letter-spacing:.04em;font-size:8.5px;color:#5A6675}
  .print-table thead{display:table-header-group}
  .print-table tr{break-inside:avoid;page-break-inside:avoid}
  .print-type-m{color:#5B2A86;font-weight:700}
  .print-type-t{color:#1F8A8A;font-weight:700}
}