/* projectplan — "modern" theme layer (sidebar shell + shadcn-style surfaces).
   Loaded AFTER app.css; pairs with static/js/ui-modern.js which builds #sidebar / #main around the existing elements.
   Look & feel adapted from Jason-uxui/project-dashboard (MIT). Engine, API and tab code are untouched. */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root{
  --m-bg:#FAFAFA; --m-panel:#FFFFFF; --m-text:#0A0A0A; --m-muted:#737373; --m-subtle:#A3A3A3;
  --m-border:#E5E5E5; --m-border-soft:#F0F0F0; --m-hover:#F4F4F5; --m-active:#EDEDEF;
  --m-blue:#155DFC; --m-blue-600:#1447E6; --m-blue-50:#EFF6FF; --m-blue-200:#BEDBFF;
  --m-green:#00A63E; --m-green-50:#F0FDF4; --m-green-200:#B9F8CF;
  --m-amber:#E17100; --m-amber-50:#FFFBEB; --m-amber-200:#FEE685;
  --m-red:#E7000B; --m-red-50:#FEF2F2; --m-red-200:#FFC9C9;
  --m-violet:#7F22FE; --m-violet-50:#F5F3FF;
  --m-radius:12px; --m-radius-sm:8px;
  --m-font:'Geist',Inter,'Segoe UI',system-ui,sans-serif; --m-mono:'Geist Mono',ui-monospace,Menlo,monospace;
  /* re-map the legacy tokens so every existing rule picks up the new palette */
  --navy:#0A0A0A; --blue:#155DFC; --sky:#51A2FF; --red:#E7000B; --green:#00A63E; --amber:#E17100; --purple:#7F22FE;
  --bg:#FAFAFA; --card:#fff; --line:#E5E5E5; --text:#0A0A0A; --muted:#737373; --head:#FAFAFA; --mono:'Geist Mono',ui-monospace,Menlo,monospace;
}
html,body{font-family:var(--m-font);font-size:13.5px;color:var(--m-text);background:var(--m-bg);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit}

/* ---------- shell ---------- */
body.modern{display:grid;grid-template-columns:256px minmax(0,1fr);min-height:100vh;height:auto}
#sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;padding:12px 10px 10px;background:var(--m-bg);overflow:hidden}
#main{margin:8px 8px 8px 0;background:var(--m-panel);border:1px solid var(--m-border);border-radius:var(--m-radius);display:flex;flex-direction:column;min-width:0;min-height:calc(100vh - 16px)}

/* workspace block (the old .brand) */
#sidebar .brand{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:10px}
#sidebar .brand:hover{background:var(--m-hover)}
#sidebar .logo{background:var(--m-blue);color:#fff;border-radius:9px;width:34px;height:34px;padding:0;display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:0}
#sidebar .logo span{color:#fff;opacity:.8}
#sidebar .titles .t1{font-size:14px;font-weight:600;color:var(--m-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#sidebar .titles .t2{font-size:11.5px;color:var(--m-muted);opacity:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#sidebar .titles{min-width:0;flex:1}

/* search / ask */
.sb-search{display:flex;align-items:center;gap:8px;margin:4px 2px 6px;padding:7px 10px;border:1px solid var(--m-border);border-radius:10px;background:#fff;color:var(--m-muted);font-size:13px;cursor:pointer;text-align:left}
.sb-search:hover{border-color:#D4D4D4;color:var(--m-text)}
.sb-search kbd{margin-left:auto;font-family:var(--m-mono);font-size:10.5px;border:1px solid var(--m-border);border-radius:5px;padding:1px 5px;color:var(--m-muted);background:var(--m-bg)}

/* nav (the old #tabs) */
#tabs{display:flex;flex-direction:column;gap:1px;background:transparent;padding:0 2px;overflow-y:auto;overflow-x:hidden;flex:1 1 auto;min-height:0}
#tabs .nav-label{font-size:11.5px;font-weight:500;color:var(--m-muted);padding:12px 10px 4px}
#tabs .nav-label:first-child{padding-top:2px}
#tabs button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:transparent;border:0;border-radius:8px;color:#404040;padding:7px 10px;font-weight:500;font-size:13.5px;white-space:nowrap;border-bottom:0;transition:background .15s ease-out,color .15s ease-out}
#tabs button svg{width:16px;height:16px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;color:var(--m-muted)}
#tabs button:hover{background:var(--m-hover);color:var(--m-text)}
#tabs button.active{background:var(--m-active);color:var(--m-text);font-weight:600;border-bottom:0}
#tabs button.active svg{color:var(--m-text)}
#tabs button .nb{margin-left:auto;font-size:11px;font-weight:500;color:var(--m-muted);font-variant-numeric:tabular-nums}

/* milestone list */
.sb-section{padding:0 2px}
.sb-section .nav-label{font-size:11.5px;font-weight:500;color:var(--m-muted);padding:8px 10px 4px}
.ms-item{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:8px;font-size:13px;color:#262626;cursor:pointer}
.ms-item:hover{background:var(--m-hover)}
.ms-item .ring{width:16px;height:16px;flex-shrink:0}
.ms-item .lab{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ms-item .when{font-size:11.5px;color:var(--m-muted);font-variant-numeric:tabular-nums}
.ms-item.late .when{color:var(--m-red)}

/* user footer */
.sb-foot{border-top:1px solid var(--m-border);padding-top:8px;margin-top:2px}
#sidebar .btn.user{width:100%;display:flex;align-items:center;gap:10px;background:transparent;border:0;color:var(--m-text);padding:6px 8px;border-radius:10px;font-weight:500;font-size:13px;text-align:left}
#sidebar .btn.user:hover{background:var(--m-hover)}
#sidebar .btn.user .role{margin-left:auto;background:var(--m-hover);color:var(--m-muted);font-size:11px;font-weight:500}
.avatar{background:#171717 !important;color:#fff !important}

/* ---------- top bar (inside the panel) ---------- */
#topbar{background:transparent;color:var(--m-text);padding:0 16px;height:56px;border-bottom:1px solid var(--m-border);gap:12px}
#topbar .crumbs{display:flex;align-items:center;gap:8px;min-width:0;font-size:14px;color:var(--m-muted)}
#topbar .crumbs b{color:var(--m-text);font-weight:500;white-space:nowrap}
#topbar .crumbs .sep{color:var(--m-subtle)}
#topbar .crumbs .proj{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px}
.sb-toggle{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;border:0;background:transparent;color:#404040;cursor:pointer}
.sb-toggle:hover{background:var(--m-hover)}
.sb-toggle svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.75}
.hdr-right{gap:6px}
.pill{background:#fff;color:#404040;border:1px solid var(--m-border);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:500;letter-spacing:0}
.pill.plan{background:#fff;color:var(--m-text);border:1px solid var(--m-border);display:inline-flex;align-items:center;gap:6px}
.pill.plan::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--m-subtle)}
.pill.plan[data-status=baseline]{border-color:var(--m-border)}.pill.plan[data-status=baseline]::before{background:var(--m-green)}
.pill.plan[data-status=draft]::before{background:var(--m-amber)}.pill.plan[data-status=approved]::before{background:var(--m-blue)}
.pill.warn{background:var(--m-amber-50);color:var(--m-amber);border-color:var(--m-amber-200)}

/* ---------- buttons ---------- */
.btn{border:1px solid var(--m-border);border-radius:8px;padding:6px 12px;font-weight:500;font-size:13px;background:#fff;color:var(--m-text);transition:background .15s ease-out,border-color .15s ease-out}
.btn:hover{background:var(--m-hover)}
.btn.primary{background:var(--m-blue);border-color:var(--m-blue);color:#fff}
.btn.primary:hover{background:var(--m-blue-600)}
.btn.ghost{background:transparent;color:#404040;border-color:transparent}
.btn.ghost:hover{background:var(--m-hover)}
.btn.sec{background:#fff;color:var(--m-text);border-color:var(--m-border)}
.btn.danger{background:#fff;color:var(--m-red);border-color:var(--m-red-200)}
.btn.small{padding:3px 9px;font-size:12px;border-radius:7px}
.btn:focus-visible,#tabs button:focus-visible,.sb-search:focus-visible{outline:2px solid var(--m-blue);outline-offset:2px}

/* ---------- content ---------- */
#view{padding:20px 24px 32px;max-width:none}
#foot{background:transparent;border-top:1px solid var(--m-border);color:var(--m-muted);font-size:12px;padding:10px 24px;border-radius:0 0 var(--m-radius) var(--m-radius)}
.grid{gap:14px}
.card{border:1px solid var(--m-border);border-radius:var(--m-radius);padding:16px 18px;box-shadow:none}
.card h3{font-size:14px;text-transform:none;letter-spacing:0;color:var(--m-text);font-weight:600;margin:0 0 12px}
.card h3 .sub{color:var(--m-muted);font-weight:400;font-size:12.5px}
.kpi .v{font-size:28px;font-weight:600;color:var(--m-text);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .v.red{color:var(--m-red)}.kpi .v.green{color:var(--m-green)}.kpi .v.amber{color:var(--m-amber)}
.kpi .s{font-size:12.5px;color:var(--m-muted);line-height:1.45}
.muted,.help{color:var(--m-muted)}
.h2{font-weight:600;letter-spacing:-.01em}

/* status pills with dot */
.tag{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:1px 8px;font-size:11.5px;font-weight:500;letter-spacing:0;border:1px solid transparent;line-height:18px;white-space:nowrap}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}
.tag.ok,.tag.st-baseline{background:var(--m-green-50);color:var(--m-green);border-color:var(--m-green-200)}
.tag.late{background:var(--m-red-50);color:var(--m-red);border-color:var(--m-red-200)}
.tag.warn,.tag.st-draft{background:var(--m-amber-50);color:var(--m-amber);border-color:var(--m-amber-200)}
.tag.cp{background:var(--m-red);color:#fff;border-color:var(--m-red)}
.tag.ms,.tag.st-submitted{background:var(--m-violet-50);color:var(--m-violet);border-color:#DDD6FF}
.tag.fx,.tag.st-approved{background:var(--m-blue-50);color:var(--m-blue);border-color:var(--m-blue-200)}

/* tables */
table.tb{font-size:13px}
.tb th{background:#fff;color:var(--m-muted);font-weight:500;font-size:12px;text-transform:none;letter-spacing:0;padding:9px 10px;border-bottom:1px solid var(--m-border)}
.tb td{padding:8px 10px;border-bottom:1px solid var(--m-border-soft)}
.tb tr:hover td{background:#FAFAFA}
.tb tr.sum td,.tb tr.tot td{background:#FAFAFA;font-weight:600}
.tb tr.tot td{border-top:2px solid var(--m-text)}
.tb td.edit{background:var(--m-blue-50);box-shadow:inset 0 0 0 1px var(--m-blue-200);border-radius:6px}
.tb td.edit:hover{background:#DBEAFE}
.mono,.tb td.mono,code{font-family:var(--m-mono)}

/* alerts → soft callouts */
.alert{border:1px solid var(--m-amber-200);border-left:3px solid var(--m-amber);background:var(--m-amber-50);border-radius:10px;padding:10px 12px;font-size:13px;color:#7B3306}
.alert.red{border-color:var(--m-red-200);border-left-color:var(--m-red);background:var(--m-red-50);color:#82181A}
.alert.blue{border-color:var(--m-blue-200);border-left-color:var(--m-blue);background:var(--m-blue-50);color:#1C398E}
.alert.green{border-color:var(--m-green-200);border-left-color:var(--m-green);background:var(--m-green-50);color:#0D542B}

/* forms */
.form input,.form select,.form textarea,input.cell,.toolbar select,.toolbar input[type=text]{border:1px solid var(--m-border);border-radius:8px;padding:6px 9px;background:#fff;font-size:13px}
.form input:focus,.form select:focus,.form textarea:focus,.toolbar input:focus{outline:2px solid var(--m-blue-200);border-color:var(--m-blue)}
.form label{color:#404040;font-weight:500}

/* milestone cards & critical chain */
.ms-card{border:1px solid var(--m-border);border-left:3px solid var(--m-green);border-radius:var(--m-radius);padding:12px 14px}
.ms-card.late{border-left-color:var(--m-red)}.ms-card.warn{border-left-color:var(--m-amber)}
.ms-card .c{color:var(--m-text);font-weight:600}
.chain .node{background:var(--m-red-50);border:1px solid var(--m-red-200);border-radius:8px}
.chain .node b{color:var(--m-red);font-family:var(--m-mono);font-weight:500}

/* gantt */
#gantt-left th{background:#fff;color:var(--m-muted);font-weight:500;text-transform:none}
#gantt-left tr.sum td{background:#FAFAFA;font-weight:600}
.gbar{rx:3}

/* plan library cards */
.plan-card{border:1px solid var(--m-border);border-radius:var(--m-radius);box-shadow:none}
.plan-card.open{border-color:var(--m-blue);box-shadow:0 0 0 3px var(--m-blue-50)}

/* modal / toast / chat */
.modal{border-radius:14px;border:1px solid var(--m-border);box-shadow:0 20px 50px rgba(0,0,0,.12)}
.toast{border-radius:10px}
#chat-fab{background:var(--m-blue);border-radius:10px;padding:10px 16px;font-weight:500;box-shadow:0 6px 20px rgba(21,93,252,.28)}
#chat-fab:hover{background:var(--m-blue-600)}
#chat-panel{border-radius:14px;border:1px solid var(--m-border)}

/* collapsed sidebar + mobile */
body.modern.sb-collapsed{grid-template-columns:0 minmax(0,1fr)}
body.modern.sb-collapsed #sidebar{visibility:hidden}
body.modern.sb-collapsed #main{margin-left:8px}
@media (max-width:900px){
  body.modern{grid-template-columns:minmax(0,1fr)}
  #sidebar{position:fixed;left:0;top:0;bottom:0;width:272px;z-index:60;background:var(--m-bg);border-right:1px solid var(--m-border);transform:translateX(-100%);transition:transform .2s ease-out}
  body.modern.sb-open #sidebar{transform:none}
  body.modern.sb-open::after{content:"";position:fixed;inset:0;background:rgba(0,0,0,.25);z-index:55}
  #main{margin:0;border-radius:0;border:0;min-height:100vh}
  #topbar{height:auto;min-height:56px;flex-wrap:wrap;padding:8px 12px}
  #topbar .crumbs .proj{max-width:120px}
  #view{padding:14px 14px 28px}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important}}
@media print{#sidebar{display:none}body.modern{display:block}#main{border:0;margin:0}}

/* fixes: crumb keeps its width, long pills truncate, logo text stays on one line */
#topbar .crumbs{flex-shrink:0}
#topbar .crumbs .proj{flex-shrink:0;color:var(--m-muted)}
.hdr-right{min-width:0;flex-shrink:1;overflow:hidden;justify-content:flex-end}
.hdr-right .pill{max-width:340px;overflow:hidden;text-overflow:ellipsis}
#pill-rev{max-width:300px}
#sidebar .logo{white-space:nowrap;font-size:11px;width:auto;min-width:34px;padding:0 7px}
#sidebar .logo{display:flex;align-items:center;justify-content:center}
@media (max-width:900px){.sb-search kbd{display:none}}