:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --surface2: #243040;
  --border: #2e3a4a;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #2dd4bf;
  --accent-dim: #14b8a6;
  --warn: #f59e0b;
  --danger: #f87171;
  --ok: #34d399;
  --radius: 12px;
  --nav-h: 64px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #070a0e;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

body {
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 420px;
  min-height: 100%;
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 40px rgba(0,0,0,.45);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15,20,25,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 14px 16px 12px;
}

.topbar h1 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.topbar .sub {
  font-size: .75rem;
  color: var(--muted);
  margin-top: 2px;
}

.screens {
  flex: 1;
  padding: 14px 14px calc(var(--nav-h) + var(--safe-b) + 18px);
  overflow-y: auto;
}

.screen { display: none; animation: fade .18s ease; }
.screen.active { display: block; }

@keyframes fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}

.card h2 {
  font-size: .92rem;
  margin-bottom: 10px;
  font-weight: 650;
}

.profile-head {
  display: flex;
  gap: 12px;
  align-items: center;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dim), #0ea5e9);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #042f2e;
  flex-shrink: 0;
}

.avatar.sm {
  width: 40px;
  height: 40px;
  font-size: .85rem;
}

.avatar.xs {
  width: 32px;
  height: 32px;
  font-size: .72rem;
}

.name { font-weight: 650; font-size: 1.05rem; }
.meta { color: var(--muted); font-size: .78rem; margin-top: 2px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chip {
  font-size: .7rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
}

.chip.accent {
  background: rgba(45,212,191,.12);
  border-color: rgba(45,212,191,.35);
  color: var(--accent);
}

.progress-block { margin-top: 12px; }
.progress-row { margin-bottom: 10px; }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: .75rem;
  margin-bottom: 4px;
  color: var(--muted);
}
.progress-label strong { color: var(--text); font-weight: 600; }
.bar {
  height: 8px;
  background: var(--surface2);
  border-radius: 999px;
  overflow: hidden;
}
.bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 999px;
}

.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
}
.tab-btn.active {
  background: rgba(45,212,191,.15);
  border-color: var(--accent);
  color: var(--accent);
}

.log-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.log-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.log-title { font-weight: 600; font-size: .9rem; }
.log-hours {
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}
.log-detail { font-size: .75rem; color: var(--muted); line-height: 1.35; }

.badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 6px;
}
.badge.pending { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.approved { background: rgba(52,211,153,.15); color: var(--ok); }
.badge.rejected { background: rgba(248,113,113,.15); color: var(--danger); }

.form-group { margin-bottom: 12px; }
.form-group label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-group label .opt {
  text-transform: none;
  font-weight: 500;
  letter-spacing: 0;
  opacity: .8;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
select,
textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 1rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b9aab' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45,212,191,.15);
}
textarea { min-height: 72px; resize: vertical; }

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hidden { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 13px 16px;
  font-size: .95rem;
  font-weight: 650;
  cursor: pointer;
  transition: transform .08s ease, opacity .15s;
}
.btn:active { transform: scale(.98); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  color: #042f2e;
}
.btn-ghost {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-danger {
  background: rgba(248,113,113,.15);
  color: var(--danger);
  border: 1px solid rgba(248,113,113,.3);
}
.btn-sm {
  width: auto;
  padding: 8px 12px;
  font-size: .8rem;
  border-radius: 9px;
}

.picker-list { display: flex; flex-direction: column; gap: 8px; }
.picker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
}
.picker-item.selected {
  border-color: var(--accent);
  background: rgba(45,212,191,.1);
}
.picker-item .info { flex: 1; min-width: 0; }
.picker-item .info .n { font-weight: 600; font-size: .88rem; }
.picker-item .info .e { font-size: .72rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.approval-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.stub {
  text-align: center;
  padding: 28px 12px;
  color: var(--muted);
}
.stub .big { font-size: 1.6rem; margin-bottom: 8px; }
.stub p { font-size: .85rem; line-height: 1.45; }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 24px 8px;
  font-size: .85rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + var(--safe-b) + 16px);
  transform: translateX(-50%) translateY(20px);
  background: #ecfdf5;
  color: #065f46;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: .22s ease;
  z-index: 50;
  max-width: 90%;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 420px;
  height: calc(var(--nav-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: rgba(26,34,44,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  z-index: 30;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: .62rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  padding: 6px 2px;
}
.nav-btn .ico { font-size: 1.15rem; line-height: 1; }
.nav-btn.active { color: var(--accent); }

.more-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.more-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  color: inherit;
}
.more-tile .ico { font-size: 1.4rem; margin-bottom: 6px; }
.more-tile .t { font-weight: 650; font-size: .88rem; }
.more-tile .d { font-size: .7rem; color: var(--muted); margin-top: 3px; }

.stamp {
  margin-top: 8px;
  padding: 8px 10px;
  background: rgba(52,211,153,.08);
  border: 1px dashed rgba(52,211,153,.35);
  border-radius: 8px;
  font-size: .72rem;
  color: var(--ok);
  line-height: 1.4;
}

.hint {
  font-size: .72rem;
  color: var(--muted);
  margin: -4px 0 10px;
  line-height: 1.35;
}

/* Ask chatbot */
.chat { display:flex; flex-direction:column; gap:10px; min-height:calc(100vh - 200px); }
.chat-log { flex:1; display:flex; flex-direction:column; gap:8px; overflow-y:auto; max-height:calc(100vh - 290px); padding:4px 0; }
.msg { max-width:85%; padding:10px 12px; border-radius:var(--radius); line-height:1.4; font-size:15px; }
.msg.bot { background:var(--surface2); border:1px solid var(--border); align-self:flex-start; }
.msg.me { background:var(--accent-dim); color:#04231f; align-self:flex-end; }
.chat-sugg .chip { cursor:pointer; border:1px solid var(--border); background:var(--surface); color:var(--text); }
.chat-form { display:flex; gap:8px; position:sticky; bottom:calc(var(--nav-h) + var(--safe-b) + 8px); }
.chat-form input { flex:1; padding:12px; border-radius:var(--radius); border:1px solid var(--border); background:var(--surface); color:var(--text); font-size:16px; }
.chat-form .btn { width:auto; padding:0 16px; }

/* Signature pad */
.sig-pad-wrap {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
  touch-action: none;
}
.sig-pad-wrap canvas {
  display: block;
  width: 100%;
  height: 140px;
  cursor: crosshair;
  touch-action: none;
}
.sig-preview {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 8px;
  text-align: center;
}
.sig-preview img {
  max-width: 100%;
  height: 80px;
  object-fit: contain;
}
.sig-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.sig-actions .btn { width: auto; flex: 1; min-width: 100px; }
.seg {
  display: flex;
  gap: 6px;
  background: var(--surface2);
  border-radius: 10px;
  padding: 4px;
  border: 1px solid var(--border);
}
.seg button {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 10px 8px;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 650;
  cursor: pointer;
}
.seg button.active {
  background: rgba(45,212,191,.18);
  color: var(--accent);
}
.export-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stamp img.sig-thumb {
  display: block;
  margin-top: 6px;
  max-height: 48px;
  background: #fff;
  border-radius: 4px;
  padding: 2px;
}

@media print {
  .bottom-nav, .topbar, .nav-btn, .toast, .approval-actions, .chat-form, .chat-sugg { display: none !important; }
  .app { max-width: none; box-shadow: none; background: #fff; color: #000; }
  .screens { padding: 0; }
  .card { break-inside: avoid; border-color: #ccc; background: #fff; color: #000; }
  .screen { display: none !important; }
  .screen.active, #screen-logs.print-export { display: block !important; }
}

/* ===== Lumi NDT polish layer ===== */
:root{
  --bg:#0b1220; --surface:#121b2d; --surface2:#1a2540; --border:#24314f;
  --text:#eef3fb; --muted:#8e9bb8; --accent:#f5a524; --accent-dim:#e08e0b;
  --accent2:#38bdf8; --ok:#34d399; --warn:#fbbf24; --danger:#fb7185;
  --radius:16px;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
html,body{background:radial-gradient(1200px 600px at 50% -200px,#16233f 0%,#060a14 60%);}
.app{background:linear-gradient(180deg,#0d1628 0%,var(--bg) 280px);}
.topbar{background:rgba(11,18,32,.82);border-bottom:1px solid rgba(255,255,255,.06);padding:12px 18px 14px;}
.brand{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.brand-mark{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:.85rem;color:#1a1200;background:linear-gradient(135deg,#fcd34d,#f59e0b);box-shadow:0 4px 14px rgba(245,165,36,.35);}
.brand-name{font-size:.8rem;font-weight:600;color:var(--muted);letter-spacing:.02em;}
.brand-name b{color:var(--accent);font-weight:800;}
.brand-pill{margin-left:auto;font-size:.62rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;padding:3px 8px;border-radius:999px;color:var(--ok);background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3);}
.topbar h1{font-size:1.45rem;font-weight:800;letter-spacing:-.025em;}
.topbar .sub{font-size:.8rem;margin-top:3px;}
.screens{padding-left:16px;padding-right:16px;}
.card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,0)) ,var(--surface);border:1px solid rgba(255,255,255,.07);box-shadow:0 8px 24px rgba(0,0,0,.25);padding:16px;margin-bottom:14px;}
.card h2{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:12px;}
.avatar{background:linear-gradient(135deg,#fcd34d,#f59e0b 55%,#ea580c);color:#1a1200;box-shadow:0 0 0 3px rgba(245,165,36,.18);}
.name{font-size:1.15rem;font-weight:700;letter-spacing:-.01em;}
.chip{font-size:.72rem;font-weight:500;padding:5px 10px;background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);transition:all .15s;}
.chip.accent{background:rgba(245,165,36,.12);border-color:rgba(245,165,36,.4);color:#fcd34d;}
.bar{height:10px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.06);}
.bar > *{background:linear-gradient(90deg,#f59e0b,#fcd34d)!important;border-radius:999px;box-shadow:0 0 12px rgba(245,165,36,.45);}
.btn{border-radius:12px;font-weight:600;letter-spacing:.005em;transition:transform .08s,box-shadow .15s,filter .15s;}
.btn:active{transform:scale(.97);}
.btn-primary{background:linear-gradient(135deg,#fcd34d,#f59e0b)!important;color:#1a1200!important;border:none!important;box-shadow:0 6px 18px rgba(245,165,36,.35);}
.btn-primary:hover{filter:brightness(1.05);}
.btn-ghost{background:rgba(255,255,255,.04)!important;border:1px solid rgba(255,255,255,.12)!important;}
.btn-danger{background:rgba(251,113,133,.12)!important;color:var(--danger)!important;border:1px solid rgba(251,113,133,.35)!important;}
input,select,textarea{font-family:inherit;border-radius:12px!important;background:#0e1626!important;border:1px solid var(--border)!important;color:var(--text)!important;transition:border-color .15s,box-shadow .15s;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)!important;box-shadow:0 0 0 3px rgba(245,165,36,.18);}
.form-group label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);}
.log-item{border-radius:14px;border-left:3px solid var(--accent2);transition:transform .1s,background .15s;}
.log-item:active{transform:scale(.99);}
.log-title{font-weight:650;}
.log-hours{color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums;}
.badge{font-weight:700;letter-spacing:.04em;border-radius:999px;}
.stamp{border-radius:12px;border:1px dashed rgba(52,211,153,.5);background:rgba(52,211,153,.07);color:var(--ok);}
.sig-pad-wrap,.sig-preview{border-radius:14px;background:#f8fafc;border:2px dashed #cbd5e1;}
.empty{text-align:center;padding:36px 18px;color:var(--muted);border:1px dashed rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.02);}
.empty::before{content:"📋";display:block;font-size:2rem;margin-bottom:8px;opacity:.85;}
.seg,.tabs{background:rgba(255,255,255,.04);border-radius:12px;padding:3px;}
.tab-btn.active,.seg .active,.seg button.on{background:var(--accent)!important;color:#1a1200!important;font-weight:700;border-radius:9px;}
.more-tile{border-radius:16px;transition:transform .1s,border-color .15s;}
.more-tile:hover{border-color:rgba(245,165,36,.4);}
.picker-item{border-radius:12px;}
.msg{border-radius:16px;line-height:1.45;}
.chat-sugg .chip{cursor:pointer;}
.bottom-nav{background:rgba(10,16,30,.88)!important;backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.07)!important;}
.nav-btn{font-size:.64rem;font-weight:600;color:var(--muted);transition:color .15s;}
.nav-btn .ico{transition:transform .15s;}
.nav-btn.active{color:var(--accent)!important;}
.nav-btn.active .ico{transform:translateY(-2px) scale(1.12);filter:drop-shadow(0 0 6px rgba(245,165,36,.6));}
.nav-btn[data-nav="entry"] .ico{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#fcd34d,#f59e0b);color:#1a1200;font-weight:800;box-shadow:0 6px 16px rgba(245,165,36,.4);}
.toast{border-radius:14px!important;background:#1f2b47!important;border:1px solid rgba(245,165,36,.35)!important;box-shadow:0 10px 30px rgba(0,0,0,.4);}