/* =============================================
   CONCRETRACK — Design System (base: qr-concreto)
   1 PWA, 1 ícone, 5 sub-apps
   ============================================= */

:root{
  --bg0:#2F3640;
  --bg1:#262C35;
  --bg2:#1F242C;

  --card: rgba(255,255,255,.06);
  --card2: rgba(0,0,0,.22);

  --line: rgba(255,255,255,.10);
  --line2: rgba(255,255,255,.16);

  --text:#F3F6FF;
  --muted:#B9C4D0;

  --ok:#16A34A;
  --err:#EF4444;
  --warn:#F59E0B;

  --shadow: 0 18px 45px rgba(0,0,0,.45);
}

/* ---- Reset ---- */
*{ box-sizing:border-box; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; margin:0; padding:0; }

body{
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(255,255,255,.06), transparent 55%),
    radial-gradient(900px 600px at 80% 30%, rgba(0,0,0,.35), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg2));
  min-height:100vh;
}

/* ---- Layout ---- */
.wrap{ max-width:700px; margin:0 auto; padding:18px; }

/* ---- Back link ---- */
.back{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--muted); text-decoration:none;
  font-size:14px; font-weight:800;
  margin-bottom:8px;
  transition: color .15s;
}
.back:hover{ color:var(--text); }

/* ---- Header ---- */
.title{ font-size:28px; font-weight:1000; letter-spacing:.4px; }
.subtitle{ color:var(--muted); font-size:14px; margin:6px 0 10px; line-height:1.2; }
.accentLine{
  height:4px; width:100%;
  border-radius:999px;
  background: linear-gradient(90deg, rgba(167,33,65,.95), rgba(138,201,104,.55), transparent);
  opacity:.85;
  margin:10px 0 14px;
}

/* ---- Card ---- */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.18));
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--shadow);
  display:grid;
  gap:14px;
  font-size:15px;
  backdrop-filter: blur(6px);
}

/* ---- Grid ---- */
.grid2{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.grid3{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.ops{ display:flex; gap:10px; flex-wrap:wrap; }

/* ---- Fields ---- */
.field{
  background: rgba(0,0,0,.18);
  border:1px solid var(--line2);
  border-radius:14px;
  padding:12px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
}
.label{ font-size:14px; font-weight:900; color:var(--muted); }
.value{ font-size:28px; font-weight:1000; margin-top:6px; }

/* ---- Inputs ---- */
input, select, textarea{
  margin-top:8px; width:100%;
  font-size:18px; font-weight:900;
  padding:14px; border-radius:14px;
  border:1px solid rgba(138,201,104,.22);
  background: rgba(0,0,0,.35);
  color:var(--text);
  outline:none;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus{
  box-shadow: 0 0 0 4px rgba(138,201,104,.12);
  border-color: rgba(138,201,104,.40);
}
input::placeholder, textarea::placeholder{ color: rgba(185,196,208,.5); }
select option{ background:#1F242C; color:var(--text); }
textarea{ resize:vertical; min-height:80px; }

/* ---- Buttons ---- */
.btn{
  padding:16px;
  border-radius:16px;
  border:1px solid var(--line2);
  background: rgba(0,0,0,.18);
  color:var(--text);
  font-weight:900;
  font-size:16px;
  cursor:pointer;
  flex:1;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  user-select:none;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:active{ transform: translateY(1px); }

.btn.good{
  background: linear-gradient(180deg, rgba(22,163,74,.95), rgba(16,120,55,.95));
  border-color: rgba(22,163,74,.9);
  color:#08130c;
  text-shadow: 0 1px 0 rgba(255,255,255,.25);
  font-size:18px;
  font-weight:1000;
  padding:18px;
  border-radius:18px;
}
.btn.good[disabled]{
  opacity:.45;
  filter: grayscale(.25);
  cursor:not-allowed;
}

.btn.primary{
  background: linear-gradient(180deg, rgba(21,65,111,.35), rgba(0,0,0,.22));
  border-color: rgba(138,201,104,.25);
}

.btn.light{
  background: rgba(255,255,255,.06);
}

.btn.danger{
  background: rgba(239,68,68,.12);
  border-color: rgba(239,68,68,.35);
}

.btn.dark{
  background: rgba(0,0,0,.22);
  border-color: rgba(255,255,255,.14);
}

/* ---- Segmented Buttons ---- */
.segRow{ display:flex; gap:8px; flex-wrap:wrap; margin-top:8px; }
.segBtn{
  flex:1; min-width:90px;
  padding:14px 10px;
  border-radius:14px;
  border:1px solid var(--line2);
  background: rgba(0,0,0,.18);
  color:var(--muted);
  font-weight:900; font-size:15px;
  cursor:pointer; text-align:center;
  user-select:none;
  transition: all .15s ease;
}
.segBtn.active{
  border-color: rgba(138,201,104,.70);
  box-shadow: 0 0 0 3px rgba(138,201,104,.18);
  background: rgba(0,0,0,.28);
  color:var(--text);
}

/* ---- Pill / Status ---- */
.pillRow{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 18px;
  border-radius:999px;
  border:1px solid var(--line2);
  background: rgba(0,0,0,.22);
  font-weight:1000;
  font-size:16px;
  flex:1;
  min-width:200px;
}
.dot{ width:12px; height:12px; border-radius:999px; background:var(--muted); }
.dot.ok{ background:var(--ok); }
.dot.warn{ background:var(--warn); }
.dot.err{ background:var(--err); }

.mini{
  color: var(--muted);
  font-weight: 800;
  font-size: 14px;
  line-height: 1.2;
  padding: 14px 16px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.22);
  flex: 2;
  min-width: 200px;
}

.status{ font-weight:900; font-size:16px; padding:2px 4px; }
.ok{ color:var(--ok); }
.err{ color:var(--err); }
.warn{ color:var(--warn); }

/* ---- KV grid (QR) ---- */
.kv{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }

/* ---- Preview grid (Slump) ---- */
.pvGrid{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.pvFull{ grid-column:1/-1; }
.pvValue{
  margin-top:8px;
  font-size:28px;
  font-weight:1000;
  display:flex;
  align-items:center;
  gap:12px;
  letter-spacing:.2px;
}
.pvSmall{ color:var(--muted); font-size:14px; font-weight:900; }

.lvl-ico{ font-size:34px; font-weight:1000; line-height:1; transform:translateY(1px); }
.lvl-ok{ color:var(--ok); }
.lvl-warn{ color:var(--warn); }
.lvl-bad{ color:var(--err); }

/* ---- History ---- */
.history{ margin-top:16px; }
.histItem{
  display:flex; justify-content:space-between; align-items:center; gap:8px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.22);
  margin-bottom:8px;
  font-size:14px;
  flex-wrap:wrap;
}
.histItem b{ color:var(--ok); }

/* ---- Modal ---- */
.modal{
  display:none;
  position:fixed; top:0; left:0; right:0; bottom:0;
  background:rgba(0,0,0,.7);
  z-index:9999;
  align-items:center;
  justify-content:center;
}
.modal.show{ display:flex; }
.modal-content{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(0,0,0,.30));
  border:1px solid var(--line);
  border-radius:20px;
  padding:32px;
  max-width:400px;
  text-align:center;
  box-shadow:var(--shadow);
}
.modal-title{ font-size:28px; font-weight:1000; margin-bottom:16px; color:var(--ok); }
.modal-text{ font-size:18px; margin-bottom:24px; color:var(--text); }
.modal-btn{
  padding:16px 32px; border-radius:16px; border:none;
  background:var(--ok); color:#07110a;
  font-weight:1000; font-size:18px; cursor:pointer;
}
.modal-btn:active{ opacity:0.8; }

/* ---- Hub Home grid ---- */
.hub-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: clamp(10px, 1.8vw, 16px);
  max-width:1100px;
  width:min(100%, 1100px);
}
.app-card{
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(0,0,0,.20));
  border:1px solid var(--line);
  border-radius:22px;
  padding:clamp(14px, 2vw, 24px) clamp(12px, 1.4vw, 16px);
  display:flex; flex-direction:column; align-items:center; gap:12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  text-decoration:none; color:var(--text);
  transition: transform .12s ease, border-color .2s ease, box-shadow .2s ease;
  cursor:pointer;
  user-select:none;
}
.app-card:hover{
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(138,201,104,.40);
  box-shadow: 0 24px 55px rgba(0,0,0,.55);
}
.app-card:active{ transform: translateY(0) scale(.98); }
.app-icon{
  width:64px; height:64px; border-radius:18px;
  display:grid; place-items:center;
  font-size:30px;
  background: linear-gradient(135deg, #15416F, #0f2e52);
  box-shadow: 0 8px 20px rgba(0,0,0,.3);
  overflow:hidden;
}
.app-icon img{
  width:100%; height:100%; object-fit:contain;
}
.app-name{ font-size:15px; font-weight:900; text-align:center; letter-spacing:.2px; }
.app-desc{ font-size:12px; color:var(--muted); text-align:center; line-height:1.3; }

/* ---- QR reader ---- */
#reader{
  width:100%;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#000;
}

/* ---- MPA input (QR) ---- */
.mpaInput{
  font-size:34px;
  font-weight:1000;
  padding:18px;
  border-radius:16px;
  border:1px solid rgba(138,201,104,.22);
  background: rgba(0,0,0,.35);
  color:var(--text);
  width:100%;
  outline:none;
}
.mpaInput:focus{
  box-shadow: 0 0 0 4px rgba(138,201,104,.12);
  border-color: rgba(138,201,104,.40);
}

/* ---- Responsive ---- */
@media(max-width:520px){
  .grid2{ grid-template-columns:1fr; }
  .grid3{ grid-template-columns:1fr; }
  .kv{ grid-template-columns:1fr; }
  .pvGrid{ grid-template-columns:1fr 1fr; }
  .segRow{ flex-direction:column; }
}
@media(max-width:380px){
  .title{ font-size:24px; }
  .pvGrid{ grid-template-columns:1fr; }
}