:root{
  --primary:#1F2937;
  --primary-light:#374151;
  --accent:#E8742C;
  --accent-dark:#C85F1E;
  --bg:#F3F4F6;
  --white:#FFFFFF;
  --green:#2E7D52;
  --red:#C0392B;
  --gray:#6B7280;
  --border:#E2E5EA;
  --radius:12px;
  --shadow:0 2px 10px rgba(31,41,55,0.08);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--primary);
  -webkit-tap-highlight-color:transparent;
}
h1,h2,h3,h4{margin:0 0 8px;font-weight:700;}
p{margin:0 0 8px;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}

[hidden]{display:none !important;}

/* ---------- Layout ---------- */
#app{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* ---------- Login ---------- */
.login-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:linear-gradient(160deg, var(--primary) 0%, #0f1620 100%);
}
.login-card{
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:36px 30px;
  width:100%;
  max-width:380px;
  text-align:center;
}
.login-card .brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  margin-bottom:24px;
}
.login-card .brand .mark{
  width:56px;height:56px;border-radius:14px;
  background:var(--accent);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.4rem;font-family:Georgia,serif;
}
.login-card .brand h1{font-size:1.3rem;margin:0;}
.login-card .brand p{color:var(--gray);font-size:.88rem;margin:0;}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
  text-align:left;
  margin-bottom:14px;
}
.field label{font-size:.85rem;font-weight:600;color:var(--primary-light);}
.field input, .field select, .field textarea{
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:10px;
  font-size:1rem;
  background:var(--white);
  color:var(--primary);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--accent);
  outline-offset:1px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border-radius:999px;
  border:2px solid transparent;
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn-primary{background:var(--accent);color:var(--white);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-primary:disabled{opacity:.6;cursor:default;transform:none;}
.btn-secondary{background:var(--white);color:var(--primary);border-color:var(--border);}
.btn-secondary:hover{border-color:var(--accent);}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;font-size:.82rem;border-radius:8px;}
.btn-danger{background:var(--white);color:var(--red);border-color:var(--red);}
.btn-danger:hover{background:var(--red);color:var(--white);}

.error-msg{
  background:#FCEAEA;
  color:var(--red);
  border-radius:8px;
  padding:10px 12px;
  font-size:.88rem;
  margin-bottom:14px;
  text-align:left;
}
.success-msg{
  background:#E9F5EE;
  color:var(--green);
  border-radius:8px;
  padding:10px 12px;
  font-size:.88rem;
  margin-bottom:14px;
  text-align:left;
}

/* ---------- Header / Nav ---------- */
.app-header{
  background:var(--primary);
  color:var(--white);
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:0 2px 10px rgba(0,0,0,0.15);
}
.app-header .brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.05rem;
}
.app-header .brand .mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.85rem;font-family:Georgia,serif;
}
.app-header .user-info{
  display:flex;align-items:center;gap:10px;
  font-size:.85rem;
}
.app-header .role-badge{
  background:var(--accent);
  color:var(--white);
  padding:3px 10px;
  border-radius:999px;
  font-size:.7rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.app-header .logout-btn{
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
  color:var(--white);
  border-radius:8px;
  padding:6px 12px;
  font-size:.8rem;
  font-weight:600;
}
.app-header .logout-btn:hover{border-color:var(--white);}

.tab-bar{
  display:flex;
  gap:6px;
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:6px 12px;
  overflow-x:auto;
  position:sticky;
  top:60px;
  z-index:19;
}
.tab-btn{
  background:transparent;
  border:none;
  padding:10px 14px;
  font-weight:600;
  font-size:.88rem;
  color:var(--gray);
  border-radius:8px;
  white-space:nowrap;
}
.tab-btn.active{
  background:var(--bg);
  color:var(--accent-dark);
}

main{
  flex:1;
  padding:18px 14px 90px;
  max-width:900px;
  width:100%;
  margin:0 auto;
}

/* ---------- Cards / Sections ---------- */
.card{
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
  margin-bottom:16px;
}
.card h2, .card h3{font-size:1.05rem;}
.card .section-note{color:var(--gray);font-size:.85rem;margin-bottom:14px;}

.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.form-grid .field.full{grid-column:1 / -1;}

@media (max-width:520px){
  .form-grid{grid-template-columns:1fr;}
}

/* ---------- Week selector ---------- */
.week-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:16px;
}
.week-nav .week-label{
  font-weight:700;
  text-align:center;
  flex:1;
}
.week-nav button{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:8px;
  padding:8px 12px;
  font-weight:700;
}
.week-nav button:hover{border-color:var(--accent);}

/* ---------- Summary cards ---------- */
.summary-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:12px;
  margin-bottom:18px;
}
@media (max-width:640px){
  .summary-grid{grid-template-columns:repeat(2, 1fr);}
}
.summary-card{
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
  text-align:center;
}
.summary-card .label{
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.05em;
  color:var(--gray);
  font-weight:700;
  margin-bottom:6px;
}
.summary-card .value{
  font-size:1.45rem;
  font-weight:800;
  color:var(--primary);
}
.summary-card.total .value{color:var(--accent-dark);}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;}
table{
  width:100%;
  border-collapse:collapse;
  font-size:.9rem;
}
table th, table td{
  text-align:left;
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
table th{
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--gray);
  font-weight:700;
}
table tfoot td{font-weight:800;border-top:2px solid var(--primary);}
table .num{text-align:right;font-variant-numeric:tabular-nums;}

/* ---------- Entry list rows ---------- */
.entry-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  border-bottom:1px solid var(--border);
}
.entry-row:last-child{border-bottom:none;}
.entry-row .meta{flex:1;}
.entry-row .meta .title{font-weight:700;font-size:.92rem;}
.entry-row .meta .sub{color:var(--gray);font-size:.8rem;}
.entry-row .amount{font-weight:800;white-space:nowrap;}
.entry-row .del-btn{
  background:transparent;border:none;color:var(--gray);
  font-size:1rem;padding:4px 8px;
}
.entry-row .del-btn:hover{color:var(--red);}

.empty-state{
  text-align:center;
  color:var(--gray);
  padding:24px 10px;
  font-size:.9rem;
}

/* ---------- Pills / category badges ---------- */
.pill{
  display:inline-block;
  font-size:.72rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.04em;
  padding:3px 10px;
  border-radius:999px;
  background:var(--bg);
  color:var(--primary-light);
}
.pill.materials{background:#E8F0FE;color:#2A56C6;}
.pill.equipment{background:#FDF1E3;color:#B5650D;}
.pill.fuel{background:#FBE9E9;color:#B23A3A;}
.pill.misc{background:#EFE9F7;color:#6E3FA8;}
.pill.labor{background:#E9F5EE;color:var(--green);}

/* ---------- Crew / Jobs admin lists ---------- */
.crew-row, .job-row{
  display:grid;
  grid-template-columns:1.4fr 1fr .8fr .6fr auto;
  gap:10px;
  align-items:center;
  padding:10px 0;
  border-bottom:1px solid var(--border);
}
.job-row{grid-template-columns:1fr 1.6fr 1fr .6fr auto;}
.crew-row:last-child, .job-row:last-child{border-bottom:none;}
.crew-row input, .job-row input, .crew-row select{
  padding:8px 10px;
  border:1px solid var(--border);
  border-radius:8px;
  font-size:.85rem;
  width:100%;
}
@media (max-width:700px){
  .crew-row, .job-row{grid-template-columns:1fr; gap:6px;}
}

/* ---------- Toast ---------- */
#toast{
  position:fixed;
  bottom:18px;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--primary);
  color:var(--white);
  padding:12px 20px;
  border-radius:999px;
  font-size:.88rem;
  font-weight:600;
  box-shadow:var(--shadow);
  opacity:0;
  transition:opacity .25s ease, transform .25s ease;
  pointer-events:none;
  z-index:100;
  max-width:90vw;
  text-align:center;
}
#toast.show{
  opacity:1;
  transform:translateX(-50%) translateY(0);
}
#toast.error{background:var(--red);}

/* ---------- Loading ---------- */
.loading{
  text-align:center;
  color:var(--gray);
  padding:30px;
}