:root{
  --c-bg:#f4f6f9; --c-panel:#ffffff; --c-ink:#1e293b; --c-ink-soft:#64748b;
  --c-border:#e2e8f0; --c-primary:#2563eb; --c-primary-d:#1d4ed8; --c-primary-soft:#eff6ff;
  --c-sidebar:#0f172a; --c-sidebar-2:#1e293b; --c-sidebar-ink:#cbd5e1;
  --c-ok:#16a34a; --c-ok-bg:#dcfce7; --c-warn:#d97706; --c-warn-bg:#fef3c7;
  --c-err:#dc2626; --c-err-bg:#fee2e2; --c-info:#0891b2; --c-info-bg:#cffafe;
  --c-neutral:#6b7280; --c-neutral-bg:#f1f5f9; --c-purple:#7c3aed; --c-purple-bg:#ede9fe;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.06);
  --shadow-lg:0 10px 30px rgba(15,23,42,.18);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  background:var(--c-bg);color:var(--c-ink);font-size:14px;line-height:1.45}
button{font-family:inherit;cursor:pointer}
a{color:var(--c-primary);text-decoration:none}
input,select,textarea{font-family:inherit;font-size:14px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- LOGIN ---------- */
#loginScreen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);z-index:1000}
.login-card{background:#fff;border-radius:16px;padding:40px;width:380px;box-shadow:var(--shadow-lg)}
.login-card .brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.login-card .brand .logo{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#7c3aed);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px}
.login-card h1{font-size:22px;margin:0}
.login-card .sub{color:var(--c-ink-soft);margin:2px 0 26px;font-size:13px}
.login-card label{display:block;font-weight:600;font-size:12.5px;margin:14px 0 6px;color:#334155}
.login-card input{width:100%;padding:11px 12px;border:1px solid var(--c-border);border-radius:8px;outline:none}
.login-card input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.login-card button{width:100%;margin-top:24px;padding:12px;background:var(--c-primary);color:#fff;
  border:none;border-radius:8px;font-weight:700;font-size:15px}
.login-card button:hover{background:var(--c-primary-d)}
.login-err{color:var(--c-err);font-size:13px;margin-top:12px;min-height:18px;text-align:center}
.login-hint{margin-top:18px;font-size:12px;color:var(--c-ink-soft);text-align:center;
  background:#f8fafc;padding:8px;border-radius:8px;border:1px dashed var(--c-border)}

/* ---------- LAYOUT ---------- */
#app{display:none;height:100%}
.layout{display:flex;height:100%}
.sidebar{width:240px;background:var(--c-sidebar);color:var(--c-sidebar-ink);display:flex;flex-direction:column;flex-shrink:0}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 16px;border-bottom:1px solid #1e293b}
.sidebar .brand .logo{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#7c3aed);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.sidebar .brand b{color:#fff;font-size:16px}
.sidebar .brand small{display:block;color:#64748b;font-size:11px}
.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav .group-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:#475569;
  margin:16px 10px 6px;font-weight:700}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:8px;color:var(--c-sidebar-ink);
  font-weight:500;margin-bottom:2px;cursor:pointer;font-size:13.5px}
.nav a:hover{background:var(--c-sidebar-2);color:#fff}
.nav a.active{background:var(--c-primary);color:#fff}
.nav a .ic{width:18px;text-align:center;font-size:15px}
.sidebar .userbox{padding:12px 14px;border-top:1px solid #1e293b;display:flex;align-items:center;gap:10px}
.sidebar .userbox .av{width:34px;height:34px;border-radius:50%;background:#334155;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.sidebar .userbox .nm{flex:1;min-width:0}
.sidebar .userbox .nm b{color:#fff;font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .userbox .nm span{font-size:11px;color:#64748b}
.sidebar .userbox button{background:none;border:none;color:#94a3b8;font-size:16px}
.sidebar .userbox button:hover{color:#fff}

.main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.topbar{height:58px;background:#fff;border-bottom:1px solid var(--c-border);display:flex;align-items:center;
  padding:0 22px;gap:14px;flex-shrink:0}
.topbar .crumb{font-size:13px;color:var(--c-ink-soft)}
.topbar .crumb b{color:var(--c-ink)}
.topbar .spacer{flex:1}
.topbar .proj-sel{display:flex;align-items:center;gap:8px}
.topbar select{padding:7px 10px;border:1px solid var(--c-border);border-radius:8px;background:#fff;font-weight:600}
.content{flex:1;overflow-y:auto;padding:24px}

/* ---------- COMPONENTS ---------- */
.page-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:21px}
.page-head .desc{color:var(--c-ink-soft);font-size:13px;width:100%;margin-top:-8px}
.page-head .spacer{flex:1}

.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:8px;border:1px solid var(--c-border);
  background:#fff;color:var(--c-ink);font-weight:600;font-size:13px}
.btn:hover{background:#f8fafc}
.btn.primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.btn.primary:hover{background:var(--c-primary-d)}
.btn.danger{background:var(--c-err);border-color:var(--c-err);color:#fff}
.btn.danger:hover{filter:brightness(.93)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.ghost:hover{background:#f1f5f9}
.btn.sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.card{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:18px}
.grid{display:grid;gap:16px}
.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.kpi{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi .label{font-size:12px;color:var(--c-ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.kpi .val{font-size:30px;font-weight:800;margin-top:4px}
.kpi .sub{font-size:12px;color:var(--c-ink-soft);margin-top:2px}
.kpi .bar{margin-top:10px;height:6px;border-radius:4px;background:#eef2f7;overflow:hidden}
.kpi .bar > div{height:100%;border-radius:4px}

table.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
table.tbl th{text-align:left;padding:11px 12px;background:#f8fafc;color:#475569;font-weight:700;
  font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--c-border);white-space:nowrap}
table.tbl td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
table.tbl tr:hover td{background:#fafcff}
table.tbl .row-click{cursor:pointer}
.table-wrap{border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;overflow-x:auto;box-shadow:var(--shadow)}

.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;white-space:nowrap}
.badge .dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.st-por_iniciar{background:var(--c-neutral-bg);color:#475569}
.st-en_curso{background:var(--c-info-bg);color:#0e7490}
.st-con_error{background:var(--c-warn-bg);color:#b45309}
.st-cerrada_con_error{background:var(--c-err-bg);color:#b91c1c}
.st-cerrada{background:var(--c-ok-bg);color:#15803d}
.cr-alta{background:var(--c-err-bg);color:#b91c1c}
.cr-media{background:var(--c-warn-bg);color:#b45309}
.cr-baja{background:var(--c-ok-bg);color:#15803d}
.is-abierta{background:var(--c-err-bg);color:#b91c1c}
.is-en_revision{background:var(--c-warn-bg);color:#b45309}
.is-resuelta{background:var(--c-info-bg);color:#0e7490}
.is-cerrada{background:var(--c-ok-bg);color:#15803d}
.tag-block{background:#1e293b;color:#fff}
.tag-noblock{background:var(--c-neutral-bg);color:#475569}
.tag-type{background:var(--c-purple-bg);color:#6d28d9}
.chip{display:inline-block;padding:2px 8px;background:#f1f5f9;border-radius:6px;font-size:11px;color:#475569;margin:1px 2px}

.empty{text-align:center;padding:50px 20px;color:var(--c-ink-soft)}
.empty .ic{font-size:40px;opacity:.4}
.empty p{margin:10px 0 0}

/* MODAL */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:flex-start;
  justify-content:center;z-index:900;padding:40px 16px;overflow-y:auto}
.modal{background:#fff;border-radius:14px;width:100%;max-width:640px;box-shadow:var(--shadow-lg);animation:pop .15s ease}
.modal.wide{max-width:920px}
@keyframes pop{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
.modal-head{display:flex;align-items:center;padding:18px 22px;border-bottom:1px solid var(--c-border)}
.modal-head h3{margin:0;font-size:17px;flex:1}
.modal-head .x{background:none;border:none;font-size:22px;color:#94a3b8;line-height:1}
.modal-head .x:hover{color:var(--c-ink)}
.modal-body{padding:22px;max-height:65vh;overflow-y:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--c-border);background:#f8fafc;border-radius:0 0 14px 14px}

.form-row{margin-bottom:15px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-grid.three{grid-template-columns:1fr 1fr 1fr}
label.fl{display:block;font-weight:600;font-size:12.5px;margin-bottom:5px;color:#334155}
label.fl .req{color:var(--c-err)}
.form-row input[type=text],.form-row input[type=date],.form-row input[type=datetime-local],
.form-row input[type=password],.form-row input[type=number],.form-row select,.form-row textarea,
.fld{width:100%;padding:9px 11px;border:1px solid var(--c-border);border-radius:8px;outline:none;background:#fff}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus,.fld:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.form-row textarea{resize:vertical;min-height:70px}
.help{font-size:11.5px;color:var(--c-ink-soft);margin-top:4px}

.toast-wrap{position:fixed;bottom:22px;right:22px;z-index:1100;display:flex;flex-direction:column;gap:10px}
.toast{background:#1e293b;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:var(--shadow-lg);
  font-size:13.5px;display:flex;align-items:center;gap:10px;animation:pop .15s ease;max-width:360px}
.toast.ok{background:#15803d}.toast.err{background:#b91c1c}.toast.warn{background:#b45309}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--c-border);margin-bottom:18px;flex-wrap:wrap}
.tabs button{background:none;border:none;padding:10px 16px;font-weight:600;color:var(--c-ink-soft);
  border-bottom:2px solid transparent;font-size:13.5px}
.tabs button.active{color:var(--c-primary);border-bottom-color:var(--c-primary)}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.filters select,.filters input{padding:7px 10px;border:1px solid var(--c-border);border-radius:8px;background:#fff;font-size:13px}
.filters input[type=search]{min-width:220px}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;margin:8px 0 4px}
.detail-grid .it .k{font-size:11px;color:var(--c-ink-soft);text-transform:uppercase;letter-spacing:.03em;font-weight:700}
.detail-grid .it .v{font-size:14px;margin-top:2px}
.section-title{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#475569;
  margin:22px 0 12px;padding-bottom:7px;border-bottom:1px solid var(--c-border);display:flex;align-items:center;gap:8px}
.section-title .spacer{flex:1}

.evidence-list{display:flex;flex-wrap:wrap;gap:12px}
.ev-item{width:150px;border:1px solid var(--c-border);border-radius:10px;overflow:hidden;background:#fff;position:relative}
.ev-item .thumb{height:96px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ev-item .thumb img{width:100%;height:100%;object-fit:cover}
.ev-item .thumb .fic{font-size:34px;color:#94a3b8}
.ev-item .meta{padding:8px 9px}
.ev-item .meta .nm{font-size:11.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev-item .meta .dt{font-size:10.5px;color:var(--c-ink-soft);margin-top:2px}
.ev-item .acts{position:absolute;top:5px;right:5px;display:flex;gap:4px}
.ev-item .acts button{background:rgba(15,23,42,.7);color:#fff;border:none;border-radius:6px;width:24px;height:24px;font-size:12px}
.dropzone{border:2px dashed var(--c-border);border-radius:10px;padding:18px;text-align:center;color:var(--c-ink-soft);
  background:#fafbfc;cursor:pointer}
.dropzone:hover,.dropzone.drag{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary)}

.steps-list .step-card{border:1px solid var(--c-border);border-radius:10px;margin-bottom:10px;background:#fff;overflow:hidden}
.steps-list .step-head{display:flex;align-items:center;gap:12px;padding:12px 14px;cursor:pointer}
.steps-list .step-head .num{width:26px;height:26px;border-radius:50%;background:#eef2f7;color:#475569;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;flex-shrink:0}
.steps-list .step-head .ti{flex:1;font-weight:600}
.steps-list .step-body{padding:0 14px 14px 52px;border-top:1px solid #f1f5f9;display:none}
.steps-list .step-card.open .step-body{display:block}

.comment{display:flex;gap:10px;margin-bottom:12px}
.comment .av{width:30px;height:30px;border-radius:50%;background:#e2e8f0;color:#475569;display:flex;
  align-items:center;justify-content:center;font-weight:700;font-size:12px;flex-shrink:0}
.comment .bub{background:#f8fafc;border:1px solid var(--c-border);border-radius:10px;padding:9px 12px;flex:1}
.comment .bub .who{font-weight:700;font-size:12.5px}
.comment .bub .when{font-size:10.5px;color:var(--c-ink-soft);margin-left:6px}
.comment .bub .tx{font-size:13px;margin-top:3px;white-space:pre-wrap}

.inline-warn{background:var(--c-warn-bg);color:#92400e;border:1px solid #fde68a;border-radius:8px;padding:10px 12px;font-size:12.5px;margin:10px 0}
.inline-info{background:var(--c-primary-soft);color:#1e40af;border:1px solid #bfdbfe;border-radius:8px;padding:10px 12px;font-size:12.5px;margin:10px 0}

.progress-cell{display:flex;align-items:center;gap:8px;min-width:120px}
.progress-cell .pbar{flex:1;height:7px;background:#eef2f7;border-radius:4px;overflow:hidden}
.progress-cell .pbar > div{height:100%;background:var(--c-ok)}
.progress-cell span{font-size:11.5px;color:var(--c-ink-soft);font-weight:600;width:34px;text-align:right}

.split{display:grid;grid-template-columns:2fr 1fr;gap:18px}
@media(max-width:900px){.split{grid-template-columns:1fr}.form-grid,.form-grid.three{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}}
.muted{color:var(--c-ink-soft)}
.right{text-align:right}.center{text-align:center}
.nowrap{white-space:nowrap}
.flex{display:flex;align-items:center;gap:8px}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.pill-count{display:inline-block;min-width:20px;padding:1px 7px;border-radius:20px;background:#e2e8f0;color:#475569;font-size:11px;font-weight:700;text-align:center}
.tree-co-head{display:flex;align-items:center;gap:8px;padding:8px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13.5px}
.tree-co-head:hover{background:#f1f5f9}
.tree-co-head.sel{background:var(--c-primary-soft);color:var(--c-primary-d)}
.tree-children{margin:0 0 6px 16px;border-left:1px solid var(--c-border);padding-left:8px}
.tree-prj{padding:6px 8px;border-radius:6px;cursor:pointer;font-size:13px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.tree-prj:hover{background:#f1f5f9}
.tree-prj.active{background:var(--c-primary);color:#fff}
.tree-caret{width:14px;display:inline-block;color:#94a3b8;font-size:11px;text-align:center}