:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1e2733; --muted:#6b7787; --line:#e4e9f1;
  --primary:#1f6feb; --primary-d:#1a5fd0; --green:#16a34a; --amber:#d99a00; --red:#dc2626;
  --blue:#2563eb; --gray:#94a3b8; --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.06);
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45}
h1,h2,h3,h4{margin:0 0 .4em}
a{color:var(--primary);text-decoration:none}
.hidden{display:none!important}
.muted{color:var(--muted)}
small{color:var(--muted)}
code{background:#eef2f8;padding:1px 5px;border-radius:5px;font-size:.85em}

/* buttons */
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:9px;cursor:pointer;font-size:14px;font-weight:500;transition:.12s}
.btn:hover{background:#f3f6fb}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-ghost:hover{background:#eef2f8}
.btn-danger{color:var(--red);border-color:#f3c4c4}
.btn-danger:hover{background:#fdecec}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-block{width:100%}
.btn-green{background:var(--green);border-color:var(--green);color:#fff}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(150deg,#0d1f3c 0%,#1a4a7a 60%,#1f6feb 100%)}
.login-card{background:#fff;padding:36px;border-radius:20px;width:100%;max-width:400px;box-shadow:0 24px 80px rgba(0,0,0,.35)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.login-logo{width:72px;height:72px;object-fit:contain;flex-shrink:0}
.login-brand-text{display:flex;flex-direction:column;gap:3px}
.login-brand-text strong{font-size:20px;font-weight:800;letter-spacing:.04em;color:var(--ink)}
.login-brand-text span{font-size:12px;color:var(--muted);line-height:1.4}
.login-card label{display:block;margin:14px 0 5px;font-weight:600;font-size:13px}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:15px}
.login-card .btn{margin-top:20px;padding:12px}
.demo-hint{margin-top:18px;font-size:12px;color:var(--muted);background:#f7f9fc;padding:10px;border-radius:9px;line-height:1.6}
.error-box{background:#fdecec;color:var(--red);padding:10px;border-radius:9px;margin-top:12px;font-size:13px}

/* layout */
#app-view{display:flex;min-height:100vh}
.sidebar{width:230px;background:#10243f;color:#cdd8e8;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40}
.brand{padding:16px 16px 14px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:11px}
.brand-logo-wrap{background:#fff;border-radius:50%;width:46px;height:46px;flex-shrink:0;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.sidebar-logo{width:40px;height:40px;object-fit:contain;border-radius:50%}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{color:#fff;font-weight:700;font-size:13px;letter-spacing:.06em;line-height:1.2}
.brand-sub{display:block;font-size:9.5px;font-weight:400;color:rgba(255,255,255,.5);line-height:1.4;margin-top:3px}
#nav{flex:1;padding:10px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;color:#cdd8e8;cursor:pointer;font-weight:500;margin-bottom:2px}
.nav-item:hover{background:rgba(255,255,255,.07)}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item .ic{width:20px;text-align:center}
.sidebar-foot{padding:14px;border-top:1px solid rgba(255,255,255,.08)}
.user-chip{display:flex;flex-direction:column;margin-bottom:8px}
.user-chip span{color:#fff;font-weight:600}
.user-chip small{color:#8da3c0}
.main{flex:1;margin-left:230px;display:flex;flex-direction:column;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:20}
.topbar h2{flex:1;font-size:18px}
.hamburger{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.bell{position:relative;background:none;border:none;font-size:20px;cursor:pointer}
.badge{position:absolute;top:-4px;right:-6px;background:var(--red);color:#fff;border-radius:10px;font-size:10px;padding:1px 5px;font-weight:700}
.content{padding:24px;max-width:1200px;width:100%}

/* cards / grid */
.grid{display:grid;gap:16px}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .v{font-size:30px;font-weight:700;line-height:1}
.stat .l{color:var(--muted);font-size:13px;margin-top:6px}
.stat.accent-green .v{color:var(--green)} .stat.accent-amber .v{color:var(--amber)}
.stat.accent-red .v{color:var(--red)} .stat.accent-blue .v{color:var(--blue)}
.section-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.section-head h3{flex:1;margin:0;font-size:17px}

/* table */
table{width:100%;border-collapse:collapse;background:#fff}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f7f9fc;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tbody tr:hover{background:#fafcff}
td.wrap,th.wrap{white-space:normal}

/* pills */
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.pill-scheduled{background:#eef2ff;color:#3949ab}
.pill-in_progress{background:#fff4e0;color:#b97700}
.pill-completed{background:#e7f6ec;color:#16803c}
.pill-delayed{background:#fde8e8;color:#c0392b}
.pill-cancelled{background:#eef0f3;color:#778}
.pill-high{background:#fde8e8;color:#c0392b}.pill-medium{background:#fff4e0;color:#b97700}.pill-low{background:#eef0f3;color:#667}
.pill-recorded{background:#eef0f3;color:#556}.pill-under_review{background:#fff4e0;color:#b97700}
.pill-approved{background:#e7f6ec;color:#16803c}.pill-rejected{background:#fde8e8;color:#c0392b}
.pill-submitted{background:#eef2ff;color:#3949ab}.pill-manager_review{background:#fff4e0;color:#b97700}
.pill-manager_approved{background:#e3f0fb;color:#1a5fd0}.pill-manager_rejected{background:#fde8e8;color:#c0392b}
.pill-board_review{background:#ede4fb;color:#6a3bbf}.pill-final_approved{background:#e7f6ec;color:#16803c}
.pill-final_rejected{background:#fde8e8;color:#c0392b}
.pill-conflict{background:#fde8e8;color:#c0392b}
.pill-role{background:#e3f0fb;color:#1a5fd0}

/* forms */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:13px;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit}
.field textarea{min-height:70px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar select,.toolbar input{padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:13px;background:#fff}
.spacer{flex:1}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(15,25,40,.5);display:flex;align-items:flex-start;justify-content:center;padding:30px 16px;z-index:100;overflow-y:auto}
.modal{background:#fff;border-radius:16px;width:100%;max-width:560px;padding:24px;box-shadow:0 30px 70px rgba(0,0,0,.3)}
.modal h3{font-size:19px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}

/* notif */
.notif-panel{position:absolute;right:24px;top:60px;width:340px;max-height:60vh;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.2);z-index:30}
.notif-item{padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px}
.notif-item.unread{background:#f3f8ff}

/* calendar */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-head{font-weight:600;color:var(--muted);text-align:center;font-size:12px;padding:4px;text-transform:uppercase}
.cal-cell{background:#fff;border:1px solid var(--line);border-radius:9px;min-height:96px;padding:6px;font-size:12px;overflow:hidden}
.cal-cell.dim{background:#fafbfd;color:var(--gray)}
.cal-cell.today{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}
.cal-date{font-weight:600;margin-bottom:4px}
.cal-ev{display:block;padding:2px 6px;border-radius:5px;margin-bottom:3px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;font-size:11px}
.ev-scheduled{background:#3949ab}.ev-in_progress{background:#b97700}.ev-completed{background:#16803c}
.ev-delayed{background:#c0392b}.ev-cancelled{background:#889}
.ev-leave{background:#6a3bbf}.ev-conflict{background:#c0392b;outline:2px solid #ffd400}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;margin-bottom:14px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.dot{width:11px;height:11px;border-radius:3px;display:inline-block}

.warn-box{background:#fff7e6;border:1px solid #f0d48a;color:#8a5a00;padding:12px 14px;border-radius:10px;margin:12px 0;font-size:13px}

/* AI receipt validation */
.pill.risk-low{background:#e7f6ec;color:#16803c}
.pill.risk-medium{background:#fff4e0;color:#b97700}
.pill.risk-high{background:#fde8e8;color:#c0392b}
.ai-panel{background:#f7f9fc;border:1px solid var(--line);border-radius:11px;padding:14px;margin:14px 0}
.ai-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.ai-read{font-size:12px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;margin:8px 0}
.flags{margin:8px 0}
.flag-row{font-size:13px;padding:4px 0;border-bottom:1px dashed var(--line)}
.flag-high{color:#c0392b}.flag-medium{color:#a05a00}.flag-low{color:#556}
.confirm{display:flex;align-items:center;gap:8px;background:#fff7e6;border:1px solid #f0d48a;padding:10px;border-radius:9px;font-weight:500}
.trail{margin:12px 0;font-size:13px}
.trail summary{cursor:pointer;font-weight:600;color:var(--primary)}
.trail-row{padding:6px 0;border-bottom:1px solid var(--line)}
/* equipment photo */
.attach-btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.attach-pick{cursor:pointer;display:inline-flex;align-items:center;gap:5px}
.eq-img-preview{max-width:100%;max-height:220px;border-radius:10px;border:1px solid var(--line);object-fit:cover;display:block}
.eq-thumb{width:44px;height:44px;object-fit:cover;border-radius:7px;border:1px solid var(--line);cursor:pointer;display:block;transition:.12s}
.eq-thumb:hover{transform:scale(1.08);box-shadow:0 4px 14px rgba(0,0,0,.18)}

/* lightbox */
.lightbox-overlay{position:fixed;inset:0;background:rgba(5,10,20,.82);display:flex;align-items:center;justify-content:center;z-index:300;padding:20px;backdrop-filter:blur(4px)}
.lightbox-box{background:#fff;border-radius:16px;overflow:hidden;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);font-weight:600;font-size:15px}
.lightbox-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);line-height:1;padding:2px 6px}
.lightbox-close:hover{color:var(--ink)}
.lightbox-img{max-width:100%;max-height:calc(90vh - 56px);object-fit:contain;display:block}

/* compact stat strip */
.stat-strip{display:flex;align-items:stretch;padding:0;overflow:hidden;margin-bottom:0}
.stat-strip-item{flex:1;padding:16px 20px;text-align:center}
.stat-strip-item .v{font-size:26px;font-weight:700;line-height:1}
.stat-strip-item .l{font-size:12px;color:var(--muted);margin-top:4px}
.stat-strip-item.accent-blue .v{color:var(--blue)}
.stat-strip-item.accent-green .v{color:var(--green)}
.stat-strip-item.accent-red .v{color:var(--red)}
.stat-strip-div{width:1px;background:var(--line);margin:12px 0}

/* tab pills */
.tab-pills{display:flex;gap:4px;background:#f0f3f9;border-radius:8px;padding:3px}
.tab-pill{border:none;background:transparent;padding:5px 12px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;color:var(--muted);transition:.12s}
.tab-pill.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}

.empty{text-align:center;color:var(--muted);padding:40px}
.bar{height:8px;background:#eef2f8;border-radius:5px;overflow:hidden;margin-top:4px}
.bar>i{display:block;height:100%;background:var(--primary)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#10243f;color:#fff;padding:12px 20px;border-radius:10px;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.3);font-size:14px}
.toast.err{background:var(--red)}

/* responsive */
@media(max-width:900px){
  .cols-4{grid-template-columns:repeat(2,1fr)}.cols-3{grid-template-columns:1fr}.cols-2{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%);transition:.25s;box-shadow:6px 0 30px rgba(0,0,0,.3)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:block}
  .form-row{grid-template-columns:1fr}
  .content{padding:16px}
  .cal-cell{min-height:70px}
}