*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f1117;--bg2:#161b26;--bg3:#1e2536;--bg4:#252d40;
  --border:#2a3348;--border2:#3a4560;
  --text:#e2e8f4;--text2:#8b9bc8;--text3:#5a6a90;
  --accent:#4f8ef7;--accent2:#3a7ae8;--glow:rgba(79,142,247,.15);
  --green:#22c77a;--gbg:rgba(34,199,122,.12);
  --yellow:#f5a623;--ybg:rgba(245,166,35,.12);
  --red:#f75252;--rbg:rgba(247,82,82,.12);
  --orange:#f7894f;--obg:rgba(247,137,79,.12);
  --purple:#a78bfa;--pbg:rgba(167,139,250,.12);
  --cyan:#22d3ee;
  --r:8px;--r2:12px;--r3:16px;
  --sh:0 4px 24px rgba(0,0,0,.4);
  --sw:240px;
}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;font-size:14px;line-height:1.5}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input,select,textarea{font-family:inherit;font-size:14px}
a{color:var(--accent);text-decoration:none}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:99px}

/* ── Login ─────────────────────────────────────────────── */
#login-screen{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:9999}
.login-box{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r3);padding:40px;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.login-icon{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 0 24px rgba(79,142,247,.4)}
.login-title{font-size:20px;font-weight:800;letter-spacing:-.3px}
.login-sub{font-size:12px;color:var(--text3)}
.login-err{background:var(--rbg);color:var(--red);border:1px solid rgba(247,82,82,.2);border-radius:var(--r);padding:10px 12px;font-size:13px;margin-bottom:14px;display:none}

/* ── App shell ─────────────────────────────────────────── */
#app{display:flex;height:100vh;overflow:hidden;display:none}
#sidebar{width:var(--sw);min-width:var(--sw);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
.s-logo{padding:18px 16px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.s-icon{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 0 20px rgba(79,142,247,.3);flex-shrink:0}
.s-name{font-size:15px;font-weight:700;letter-spacing:-.3px}
.s-sub{font-size:10px;color:var(--text3);letter-spacing:.5px;text-transform:uppercase}
.s-nav{flex:1;overflow-y:auto;padding:8px}
.s-sec{margin-bottom:4px}
.s-lbl{font-size:10px;font-weight:600;color:var(--text3);letter-spacing:.8px;text-transform:uppercase;padding:8px 8px 3px}
.s-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--r);color:var(--text2);cursor:pointer;transition:all .15s;margin-bottom:2px;font-size:13.5px;position:relative}
.s-item:hover{background:var(--bg3);color:var(--text)}
.s-item.active{background:var(--glow);color:var(--accent);font-weight:500}
.s-item.active::before{content:'';position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}
.s-ico{width:17px;text-align:center;font-size:15px;flex-shrink:0}
.s-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:99px;min-width:18px;text-align:center}
.s-foot{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px;cursor:pointer}
.s-foot:hover{background:var(--bg3)}
.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
#main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}
.topbar{height:54px;min-height:54px;background:var(--bg2);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px}
.topbar-title{font-size:17px;font-weight:700;flex:1;letter-spacing:-.3px}
.content{flex:1;overflow-y:auto;padding:20px}

/* ── Buttons ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg3);color:var(--text)}
.btn-danger{background:var(--rbg);color:var(--red);border:1px solid rgba(247,82,82,.2)}.btn-danger:hover{background:rgba(247,82,82,.2)}
.btn-success{background:var(--gbg);color:var(--green);border:1px solid rgba(34,199,122,.2)}.btn-success:hover{background:rgba(34,199,122,.2)}
.btn-warn{background:var(--ybg);color:var(--yellow);border:1px solid rgba(245,166,35,.2)}
.btn-sm{padding:4px 10px;font-size:12px}

/* ── Cards / Grid ───────────────────────────────────────── */
.grid{display:grid;gap:16px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1fr 1fr 1fr}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:16px}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:16px 18px;display:flex;flex-direction:column;gap:6px;transition:border-color .2s;position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c1,var(--accent)),var(--c2,var(--purple)));opacity:.7}
.stat-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.6px}
.stat-value{font-size:28px;font-weight:800;letter-spacing:-1px;line-height:1}
.stat-sub{font-size:11px;color:var(--text3)}
.stat-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:28px;opacity:.15}

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--r2);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;background:var(--bg3);border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px;transition:background .1s}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg3)}
.td-mono{font-family:'Courier New',monospace;font-size:12px;color:var(--accent)}

/* ── Badges ──────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600;white-space:nowrap}
.b-open{background:var(--glow);color:var(--accent)}.b-inprog{background:var(--ybg);color:var(--yellow)}
.b-done{background:var(--gbg);color:var(--green)}.b-cancelled{background:var(--bg3);color:var(--text3)}
.b-critical{background:var(--rbg);color:var(--red)}.b-high{background:var(--obg);color:var(--orange)}
.b-medium{background:var(--ybg);color:var(--yellow)}.b-low{background:var(--gbg);color:var(--green)}
.b-op{background:var(--gbg);color:var(--green)}.b-maint{background:var(--ybg);color:var(--yellow)}
.b-decomm{background:var(--bg3);color:var(--text3)}.b-planned{background:rgba(99,102,241,.15);color:#818cf8}
.b-corr{background:var(--rbg);color:var(--red)}.b-prev{background:var(--glow);color:var(--accent)}.b-insp{background:var(--pbg);color:var(--purple)}
.b-overdue{background:var(--rbg);color:var(--red)}.b-soon{background:var(--ybg);color:var(--yellow)}.b-ok{background:var(--gbg);color:var(--green)}.b-hold{background:rgba(99,102,241,.15);color:#818cf8;border-color:rgba(99,102,241,.3)}.filter-dropdown{position:absolute;top:calc(100% + 4px);left:0;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r2);min-width:190px;z-index:500;box-shadow:var(--sh);padding:4px}.filter-dd-item{display:flex;align-items:center;gap:8px;padding:7px 10px;font-size:12px;cursor:pointer;border-radius:6px;color:var(--text2);user-select:none}.filter-dd-item:hover{background:var(--bg3);color:var(--text)}.filter-dd-item input[type=checkbox]{width:14px;height:14px;cursor:pointer;accent-color:var(--accent)}

/* ── Forms ───────────────────────────────────────────────── */
.form-grid{display:grid;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12px;font-weight:500;color:var(--text2)}
.field input,.field select,.field textarea{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:var(--r);padding:8px 10px;outline:none;transition:border-color .15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical;min-height:70px}

/* ── Modal ───────────────────────────────────────────────── */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px);animation:fadeIn .15s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r3);padding:24px;width:620px;max-width:95vw;max-height:88vh;overflow-y:auto;box-shadow:var(--sh);animation:slideUp .2s}
.modal-lg{width:960px}
@keyframes slideUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-hdr{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}
.modal-title{font-size:16px;font-weight:700}
.modal-close{background:var(--bg3);border:none;color:var(--text2);width:28px;height:28px;border-radius:var(--r);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.modal-close:hover{background:var(--bg4);color:var(--text)}
.modal-foot{display:flex;gap:8px;justify-content:flex-end;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}

/* ── Timer ───────────────────────────────────────────────── */
.timer-display{font-family:'Courier New',monospace;font-size:22px;font-weight:700;letter-spacing:2px;color:var(--cyan);background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:10px 16px;text-align:center;min-width:130px}
.timer-running{color:var(--green);border-color:var(--green);box-shadow:0 0 12px rgba(34,199,122,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}

/* ── Charts ──────────────────────────────────────────────── */
.bar-wrap{display:flex;flex-direction:column;gap:8px}
.bar-row{display:flex;align-items:center;gap:10px;font-size:12px}
.bar-lbl{width:100px;color:var(--text2);flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{flex:1;background:var(--bg3);border-radius:99px;height:8px;overflow:hidden}
.bar-fill{height:100%;border-radius:99px;transition:width .5s cubic-bezier(.4,0,.2,1)}
.bar-val{width:36px;text-align:right;color:var(--text2);flex-shrink:0}

/* ── Parts picker ────────────────────────────────────────── */
.parts-list{display:flex;flex-direction:column;gap:6px;max-height:200px;overflow-y:auto;margin-bottom:10px}
.part-row{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg3);border-radius:var(--r);border:1px solid var(--border)}
.part-row:hover{border-color:var(--border2)}

/* ── File upload ─────────────────────────────────────────── */
.drop-zone{border:2px dashed var(--border2);border-radius:var(--r2);padding:24px;text-align:center;cursor:pointer;transition:all .2s;color:var(--text3)}
.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent);background:var(--glow);color:var(--text)}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:10px}
.file-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:10px;text-align:center;position:relative}
.file-card:hover{border-color:var(--border2)}
.file-icon{font-size:28px;margin-bottom:6px}
.file-name{font-size:11px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{font-size:10px;color:var(--text3)}
.file-del{position:absolute;top:4px;right:4px;background:var(--rbg);color:var(--red);border:none;border-radius:4px;width:20px;height:20px;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.file-card:hover .file-del{opacity:1}

/* ── Settings tabs ───────────────────────────────────────── */
.filter-chip{padding:3px 8px;border-radius:99px;border:1px solid var(--border2);font-size:11px;cursor:pointer;color:var(--text2);background:transparent;transition:all .15s;user-select:none}.filter-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.filter-chip:hover{border-color:var(--accent);color:var(--accent)}.filter-chip.active:hover{background:var(--accent)}
.tab-bar{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:20px}
.tab{padding:8px 16px;font-size:13px;font-weight:500;color:var(--text3);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s}
.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.settings-section{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:20px;margin-bottom:16px}
.settings-section h3{font-size:14px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}

/* ── Misc ────────────────────────────────────────────────── */
.sec-hdr{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.sec-title{font-size:15px;font-weight:700}
.empty{text-align:center;padding:48px 20px;color:var(--text3);display:flex;flex-direction:column;align-items:center;gap:8px}
.empty-icon{font-size:36px;opacity:.4}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.filter-bar input,.filter-bar select{background:var(--bg2);border:1px solid var(--border);color:var(--text);border-radius:var(--r);padding:6px 10px;outline:none;font-size:13px}
.filter-bar input:focus,.filter-bar select:focus{border-color:var(--accent)}
/* ── Searchable select ───────────────────────────────────── */
.ss-wrap{position:relative;display:inline-block;min-width:140px}
.ss-trigger{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);cursor:pointer;font-size:13px;white-space:nowrap;user-select:none;color:var(--text1)}
.ss-trigger:hover{border-color:var(--accent)}
.ss-trigger.ss-active{border-color:var(--accent);color:var(--accent)}
.ss-arrow{font-size:10px;opacity:.6;flex-shrink:0;transition:transform .15s}
.ss-wrap.ss-open .ss-arrow{transform:rotate(180deg)}
.ss-panel{display:none;position:absolute;top:calc(100% + 4px);left:0;min-width:100%;min-width:max(100%,200px);background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);box-shadow:0 6px 20px rgba(0,0,0,.35);z-index:999;overflow:hidden}
.ss-search{width:100%;box-sizing:border-box;padding:8px 10px;border:none;border-bottom:1px solid var(--border);background:var(--bg3);color:var(--text1);font-size:13px;outline:none}
.ss-list{max-height:220px;overflow-y:auto}
.ss-item{padding:8px 12px;font-size:13px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ss-item:hover{background:var(--bg3)}
.ss-item.ss-sel{color:var(--accent);font-weight:600}
.tag{display:inline-flex;align-items:center;gap:4px;padding:1px 7px;border-radius:99px;font-size:11px;background:var(--bg3);color:var(--text2);border:1px solid var(--border)}
.divider{border:none;border-top:1px solid var(--border);margin:16px 0}
.text-red{color:var(--red)}.text-green{color:var(--green)}.text-yellow{color:var(--yellow)}.text-accent{color:var(--accent)}.text-muted{color:var(--text3)}
.fw7{font-weight:700}.fs12{font-size:12px}.fs11{font-size:11px}
.mb4{margin-bottom:4px}.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}.mb20{margin-bottom:20px}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}
.flex{display:flex}.gap4{gap:4px}.gap8{gap:8px}.gap12{gap:12px}.items-center{align-items:center}.justify-between{justify-content:space-between}
.overdue-row td{background:rgba(247,82,82,.04)!important}
.toast{position:fixed;bottom:20px;right:20px;z-index:2000;background:var(--bg3);border:1px solid var(--border2);color:var(--text);padding:10px 16px;border-radius:var(--r2);font-size:13px;box-shadow:var(--sh);animation:slideUp .2s;border-left:3px solid var(--green)}
.toast.err{border-left-color:var(--red)}

/* ── Mobile bottom nav ───────────────────────────────────── */
.mob-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--border);z-index:400;padding:4px 0 env(safe-area-inset-bottom)}
.mob-nav-items{display:flex;justify-content:space-around}
.mob-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;color:var(--text3);cursor:pointer;border-radius:var(--r);min-width:0;flex:1;font-size:10px;transition:color .15s;position:relative}
.mob-nav-item:hover,.mob-nav-item.active{color:var(--accent)}
.mob-nav-item.active{background:color-mix(in srgb,var(--accent) 10%,transparent)}
.mob-nav-item .mob-ico{font-size:22px;line-height:1;position:relative;display:inline-block}
.mob-badge{position:absolute;top:-2px;right:-6px;min-width:16px;height:16px;background:var(--red);color:#fff;border-radius:8px;font-size:9px;font-weight:700;display:none;align-items:center;justify-content:center;padding:0 3px;line-height:1}
.mob-badge.show{display:flex}

/* ── Responsive breakpoints ──────────────────────────────── */
@media (max-width: 768px) {
  :root { --sw: 0px; }
  #sidebar { display: none !important; }
  #main { width: 100vw; }
  .mob-nav { display: block; }
  #app { padding-bottom: 68px; }
  .content { padding: 12px; }
  .topbar { padding: 0 12px; }
  .topbar-title { font-size: 15px; }
  .g4 { grid-template-columns: 1fr 1fr; }
  .g3 { grid-template-columns: 1fr 1fr; }
  .g2 { grid-template-columns: 1fr; }
  .grid.g2,.grid.g3,.grid.g4 { gap: 10px; }
  .stat-value { font-size: 22px; }
  .modal { width: 95vw; padding: 16px; }
  .modal-lg { width: 95vw; }
  .form-row { grid-template-columns: 1fr; }
  .filter-bar { gap: 6px; }
  .filter-bar input, .filter-bar select { font-size: 13px; padding: 5px 8px; }
  .table-wrap { font-size: 12px; }
  th, td { padding: 7px 10px; }
  /* Hide less important columns on mobile */
  .hide-mobile { display: none !important; }
  .topbar-title { display: block; }
  #topbar-actions .btn { font-size: 12px; padding: 5px 10px; }
  .login-box { width: 92vw; padding: 24px 20px; }
  .s-foot { padding: 10px 12px; }
}

@media (max-width: 480px) {
  .g4 { grid-template-columns: 1fr; }
  .g3 { grid-template-columns: 1fr; }
  .stat-card { padding: 12px; }
  .stat-value { font-size: 20px; }
  .card { padding: 12px; }
}

/* ── Activity Timeline ───────────────────────────────────────── */
.timeline-feed { display:flex; flex-direction:column; gap:0; padding:4px 0; }
.tl-entry {
  display:flex; gap:14px; align-items:flex-start;
  padding:12px 4px;
  border-left:2px solid var(--border);
  margin-left:16px;
  position:relative;
}
.tl-dot {
  position:absolute; left:-13px; top:14px;
  width:24px; height:24px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; flex-shrink:0;
  border:2px solid var(--bg2);
}
.tl-body { flex:1; padding-left:18px; min-width:0; }
.tl-desc { font-size:14px; font-weight:500; color:var(--text); margin-bottom:6px; }
.tl-time { font-size:11px; color:var(--text3); margin-top:6px; }
.tl-changes { display:flex; flex-direction:column; gap:4px; margin-top:6px; }
.tl-change {
  display:flex; align-items:center; gap:6px; flex-wrap:wrap;
  background:var(--bg3); border:1px solid var(--border);
  border-radius:6px; padding:5px 10px; font-size:12px;
}
.tl-field  { font-weight:700; color:var(--text2); min-width:80px; }
.tl-old    { color:var(--red); text-decoration:line-through; opacity:.8; }
.tl-arrow  { color:var(--text3); }
.tl-new    { color:var(--green); font-weight:600; }