:root{--color-bg: #f4f6f9;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-muted: #64748b;--color-primary: #0f4c81;--color-primary-hover: #0a3a63;--color-accent: #c9a227;--color-error: #b91c1c;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08);--font: system-ui, -apple-system, "Segoe UI", sans-serif;--max-width: 1100px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);color:var(--color-text);background:var(--color-bg)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.hidden{display:none!important}.muted{color:var(--color-muted)}.error{color:var(--color-error);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.55rem 1rem;border-radius:8px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font:inherit;cursor:pointer;text-decoration:none}.btn:hover{background:#f8fafc;text-decoration:none}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-sm{padding:.35rem .65rem;font-size:.875rem}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow);position:sticky;top:0;z-index:20}.site-header-inner{max-width:var(--max-width);margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.brand{font-weight:700;color:var(--color-primary);letter-spacing:.04em}.nav-links{display:flex;gap:.5rem;flex-wrap:wrap;flex:1}.nav-links a{padding:.35rem .6rem;border-radius:6px;color:var(--color-text);text-decoration:none;font-size:.92rem}.nav-links a.active,.nav-links a:hover{background:#eef2ff;color:var(--color-primary);text-decoration:none}.header-actions{display:flex;align-items:center;gap:.75rem;margin-left:auto}.lang-toggle{display:inline-flex;border:1px solid var(--color-border);border-radius:999px;overflow:hidden;font-size:.8rem}.lang-toggle button{border:none;background:transparent;padding:.25rem .55rem;cursor:pointer;font:inherit}.lang-toggle button.active{background:var(--color-primary);color:#fff}.page{max-width:var(--max-width);margin:0 auto;padding:1.25rem 1rem 2.5rem}.page-title{margin:0 0 .35rem;font-size:1.45rem}.page-subtitle{margin:0 0 1.25rem;color:var(--color-muted)}.grid-tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.tool-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.5rem;transition:border-color .15s,transform .15s}.tool-card:hover{border-color:#cbd5e1;transform:translateY(-1px)}.tool-card.soon{opacity:.72}.tool-icon{font-size:1.6rem}.tool-name{font-weight:600;margin:0}.tool-desc{margin:0;font-size:.88rem;color:var(--color-muted);flex:1}.section-heading{margin:1.5rem 0 .75rem;font-size:1rem;color:var(--color-muted);text-transform:uppercase;letter-spacing:.06em}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}.list-plain{list-style:none;margin:0;padding:0}.list-plain li{border-bottom:1px solid var(--color-border);padding:.65rem 0}.list-plain li:last-child{border-bottom:none}.announcement-meta{font-size:.82rem;color:var(--color-muted)}.markdown-body h2{font-size:1.1rem}.markdown-body p{line-height:1.55}.login-body{min-height:100vh;display:grid;place-items:center;padding:1rem}.login-card{width:min(400px,100%);background:var(--color-surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--color-border)}.login-top{display:flex;justify-content:flex-end;margin-bottom:.5rem}.login-brand{text-align:center;margin-bottom:1.25rem}.login-logo{display:inline-block;font-weight:800;color:var(--color-primary);font-size:1.25rem}.login-card label{display:block;margin-bottom:.35rem;font-size:.9rem}.login-card input{width:100%;padding:.6rem .75rem;border:1px solid var(--color-border);border-radius:8px;font:inherit;margin-bottom:.75rem}.login-card button[type=submit]{width:100%}.library-categories{display:flex;flex-direction:column;gap:1rem}.asset-list{display:grid;gap:.5rem}.asset-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;padding:.5rem 0;border-bottom:1px solid var(--color-border)}.asset-row:last-child{border-bottom:none}.brief-layout{display:grid;gap:1rem}@media(min-width:900px){.brief-layout{grid-template-columns:1fr 1fr}}.unit-table-wrap{overflow-x:auto;max-height:420px;overflow-y:auto;border:1px solid var(--color-border);border-radius:8px}.unit-table{width:100%;border-collapse:collapse;font-size:.85rem}.unit-table th,.unit-table td{padding:.45rem .5rem;border-bottom:1px solid var(--color-border);text-align:left;white-space:nowrap}.unit-table th{position:sticky;top:0;background:#f8fafc;z-index:1}.unit-table tr.sold td{opacity:.55}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.35rem .75rem}.checkbox-grid label{display:flex;align-items:center;gap:.35rem;font-size:.9rem}.brief-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.select-field{width:100%;max-width:420px;padding:.5rem .65rem;border-radius:8px;border:1px solid var(--color-border);font:inherit;margin-bottom:1rem}

/* ===== FMI sidebar navigation (desktop) + bottom tabbar (mobile) ===== */
#app{display:flex;min-height:100vh}
#side{width:236px;flex:none;background:#fff;color:#1c2b45;border-right:1px solid #e6ebf3;display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh;z-index:30}
#side .brandlogo{height:32px;display:block;margin:2px 8px 14px}
#sidenav{flex:1;overflow-y:auto;margin:0 -4px;padding:0 4px}
.ni{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:none;border:none;color:#5a6a85;font-size:14px;padding:11px 12px;border-radius:10px;cursor:pointer;margin-bottom:2px;font-family:inherit}
.ni:hover{background:#f0f4f8;color:#0d2240}
.ni.on{background:#e8eef5;color:#0d2240;font-weight:700}
.ni.on .nico{filter:none}
.nico{font-size:17px;width:22px;text-align:center;flex:none}
.ni.sub{padding-left:20px;font-size:13px}
.ngroup{font-size:11px;color:#8fa3c4;font-weight:700;letter-spacing:.08em;padding:14px 12px 6px;text-transform:uppercase}
.side-foot{border-top:1px solid #1e3a63;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.side-foot .btn{font-size:12px}
#main{flex:1;min-width:0;display:flex;flex-direction:column}
#tabbar{display:none}
@media(max-width:760px){
  #app{flex-direction:column}
  #side{display:none}
  #tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#0d2240;border-top:1px solid rgba(255,255,255,.14);padding:6px 4px calc(8px + env(safe-area-inset-bottom))}
  .ti{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:none;color:#8fa3c4;font-size:10px;padding:7px 2px;cursor:pointer;font-family:inherit}
  .ti .tico{font-size:21px;line-height:1}
  .ti.on{color:#c9a227;font-weight:700}
  #main{padding-bottom:76px}
}

/* ===== mobile top bar: logo + language ===== */
#mtop{display:none}
@media(max-width:760px){
  #mtop{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#fff;border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:50}
}

/* sidebar language toggle: unselected text must be readable on dark navy */
#side .lang-toggle{border-color:#e6ebf3}
#side .lang-toggle button{color:#5a6a85}
#side .lang-toggle button.active{background:#0d2240;color:#fff}

/* ===== mobile tabbar popup menu ===== */
#tpop{display:none}
@media(max-width:760px){
  #tpop{display:none;position:fixed;left:12px;right:12px;bottom:84px;z-index:61;background:#0d2240;border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:8px;box-shadow:0 8px 32px rgba(0,0,0,.4)}
  #tpop.on{display:block}
  .tpop-btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:none;color:#cdd9ec;font-size:14px;padding:13px 12px;border-radius:10px;cursor:pointer;font-family:inherit}
  .tpop-btn:hover{background:#1b3f73;color:#fff}
  .tpop-btn span:first-child{font-size:18px;width:24px;text-align:center;flex:none}
}

/* project card unit count */
.tool-units{font-size:13px;color:var(--color-primary);margin:8px 0 0}
.tool-units strong{font-size:18px}

/* project card image */
.tool-img{margin:-1rem -1rem 1rem;border-radius:8px 8px 0 0;overflow:hidden;aspect-ratio:4/3;background:#eef2f7}
.tool-img img{width:100%;height:100%;object-fit:cover;display:block}

/* mobile: 2 cards per row */
@media(max-width:760px){
  .grid-tools{grid-template-columns:repeat(2,1fr);gap:0.75rem}
  .tool-card{padding:0.75rem}
  .tool-card .tool-name{font-size:0.95rem}
  .tool-img{margin:-0.75rem -0.75rem 0.75rem}
}

/* desktop: cards side by side, use full width */
@media(min-width:761px){
  .grid-tools{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
}