:root {
  --navy: #1B2A4A;
  --navy-dark: #131F38;
  --orange: #E8843C;
  --box: #F2F4F8;
  --grey: #555;
  --border: #D9DDE3;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, Helvetica, sans-serif; background: #EEF1F6; color: #1a1a1a; }

.topbar { background: var(--navy); color: #fff; padding: 14px 28px; display: flex; justify-content: space-between; align-items: center; }
.brand { font-weight: bold; font-size: 22px; letter-spacing: 1px; }
.brand small { display: block; font-size: 9px; color: var(--orange); letter-spacing: 2px; font-weight: bold; }
.topbar .user { font-size: 13px; color: #cfd6e4; }
.topbar button { margin-left: 14px; }

.card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; box-shadow: 0 2px 10px rgba(27,42,74,.06); }

/* Login page */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-card h1 { color: var(--navy); font-size: 24px; margin-bottom: 4px; }
.auth-card .tag { color: var(--orange); font-size: 10px; letter-spacing: 2px; font-weight: bold; margin-bottom: 22px; }
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tabs button { flex: 1; background: none; border: none; padding: 10px; font-size: 14px; cursor: pointer; color: var(--grey); border-bottom: 3px solid transparent; }
.tabs button.active { color: var(--navy); font-weight: bold; border-bottom-color: var(--orange); }

label { display: block; font-size: 12px; font-weight: bold; color: var(--navy); margin: 12px 0 4px; }
input, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; }
input:focus, textarea:focus { outline: 2px solid var(--orange); border-color: var(--orange); }
.hint { font-size: 11px; color: var(--grey); margin-top: 4px; }

.btn { display: inline-block; background: var(--orange); color: #fff; border: none; padding: 11px 22px; border-radius: 6px; font-size: 14px; font-weight: bold; cursor: pointer; }
.btn:hover { background: #d6722c; }
.btn.navy { background: var(--navy); }
.btn.navy:hover { background: var(--navy-dark); }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn.full { width: 100%; margin-top: 18px; }
.btn:disabled { opacity: .6; cursor: wait; }

.msg { margin-top: 14px; font-size: 13px; padding: 10px 12px; border-radius: 6px; display: none; }
.msg.err { display: block; background: #FBEAEA; color: #92302C; border: 1px solid #E9C2C0; }
.msg.ok { display: block; background: #EAF6EC; color: #2C6E3A; border: 1px solid #BFE0C6; }

/* App page */
.container { max-width: 1060px; margin: 28px auto; padding: 0 20px 60px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.section-title { color: var(--navy); font-size: 15px; font-weight: bold; border-bottom: 2px solid var(--orange); padding-bottom: 6px; margin: 26px 0 12px; }
.row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

table.items { width: 100%; border-collapse: collapse; margin-top: 8px; }
table.items th { background: var(--navy); color: #fff; font-size: 12px; padding: 9px 8px; text-align: left; }
table.items td { padding: 6px 4px; vertical-align: top; }
table.items input { padding: 8px; font-size: 13px; }
table.items td.amt { font-size: 13px; font-weight: bold; text-align: right; padding-top: 14px; white-space: nowrap; }
.del-row { background: none; border: none; color: #B33; font-size: 16px; cursor: pointer; padding: 10px 6px; }

.totals { text-align: right; margin-top: 14px; font-size: 15px; }
.totals .big { font-size: 20px; font-weight: bold; color: var(--navy); }
.actions { display: flex; gap: 14px; margin-top: 26px; justify-content: flex-end; }

@media (max-width: 760px) {
  .grid2, .row { grid-template-columns: 1fr; }
  .container { padding: 0 12px 40px; }
}

/* ---- v2: layout & nav ---- */
.appbody { background: #EEF1F6; }
.layout { display: flex; min-height: calc(100vh - 60px); }
.sidebar { width: 200px; background: #fff; border-right: 1px solid var(--border); padding: 18px 0; flex-shrink: 0; }
.nav-link { display: block; padding: 12px 22px; color: var(--grey); text-decoration: none; font-size: 14px; border-left: 3px solid transparent; }
.nav-link:hover { background: var(--box); color: var(--navy); }
.nav-link.active { color: var(--navy); font-weight: bold; border-left-color: var(--orange); background: var(--box); }
.main { flex: 1; padding: 26px 30px 70px; max-width: 1100px; }
.page-title { color: var(--navy); font-size: 22px; margin-bottom: 18px; }
.view { display: none; }
.view.active { display: block; }

/* dashboard cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 18px; text-align: center; }
.stat-card .stat-num { font-size: 30px; font-weight: bold; color: var(--navy); }
.stat-card .stat-label { font-size: 12px; color: var(--grey); margin-top: 4px; }
.stat-card.orange .stat-num { color: var(--orange); }

/* list tables */
table.list { width: 100%; border-collapse: collapse; }
table.list th { background: var(--navy); color: #fff; font-size: 12px; padding: 9px 10px; text-align: left; }
table.list td { padding: 10px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: top; }
table.list .r, table.list th.r { text-align: right; }
table.list .small { font-size: 12px; color: var(--grey); }
.empty { color: var(--grey); font-size: 13px; padding: 18px 4px; }

.badge { font-size: 11px; padding: 3px 10px; border-radius: 20px; font-weight: bold; text-transform: capitalize; }
.badge.pending { background: #FFF3E0; color: #B26A00; }
.badge.completed { background: #E5F0FF; color: #1B4A8A; }
.badge.invoiced { background: #EAF6EC; color: #2C6E3A; }

.btn.sm { padding: 6px 12px; font-size: 12px; }
.btn.danger { color: #B33; border-color: #E2BCBC; }
select { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; background: #fff; }
.msg.float { position: fixed; bottom: 22px; right: 22px; z-index: 50; box-shadow: 0 4px 16px rgba(0,0,0,.18); }

@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; display: flex; overflow-x: auto; padding: 0; }
  .nav-link { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .nav-link.active { border-bottom-color: var(--orange); }
  .cards { grid-template-columns: repeat(2, 1fr); }
}