:root {
  --navy: #16253D; --grey: #6B6B6B; --accent: #CD7213; --light: #F4F4F6;
  --border: #D9DCE3; --bg: #F7F8FA; --ok: #2E7D4F; --error: #B3261E; --info: #2B5797;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--navy); background: var(--bg); }
@font-face { font-family: "Source Sans 3"; src: url("/static/fonts/SourceSans3-Regular.ttf"); font-weight: 400; }
@font-face { font-family: "Source Sans 3"; src: url("/static/fonts/SourceSans3-Bold.ttf"); font-weight: 700; }
a { color: var(--info); }
h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h1 small { font-size: 1rem; color: var(--grey); font-weight: 400; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }

.env-banner { padding: .4rem 1.5rem; background: var(--error); color: #fff; font-weight: 700; text-align: center; }
.topbar { display: flex; align-items: center; gap: 2rem; padding: .6rem 1.5rem; background: var(--navy); color: #fff; }
.topbar a { color: #fff; text-decoration: none; }
.brand { font-weight: 700; font-size: 1.1rem; }
.brand span { color: var(--accent); }
.topbar nav { display: flex; gap: 1.25rem; flex: 1; }
.topbar nav a { opacity: .8; padding: .25rem 0; border-bottom: 2px solid transparent; }
.topbar nav a.active, .topbar nav a:hover { opacity: 1; border-color: var(--accent); }
.userbox { display: flex; gap: 1rem; align-items: center; }
.userbox form { margin: 0; }
.userbox .link { color: #fff; opacity: .8; }

.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.pagehead { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.pagehead h1 { margin: 0; }
.buttons { display: flex; gap: .5rem; }

.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; }
.card.narrow { max-width: 480px; }
.login { max-width: 380px; margin: 4rem auto; }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.columns .card { margin-bottom: 1rem; }

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .75rem; }
label.inline { display: inline-flex; gap: .4rem; align-items: center; font-weight: 400; margin-right: 1.25rem; }
input, select, textarea { display: block; width: 100%; margin-top: .25rem; padding: .45rem .55rem; font: inherit; color: inherit;
  border: 1px solid var(--border); border-radius: 5px; background: #fff; }
input[type=radio], input[type=checkbox] { width: auto; display: inline; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 1rem; }
.grid .span2 { grid-column: span 2; }
fieldset { border: 1px solid var(--border); border-radius: 6px; padding: .75rem 1rem 0; margin: .5rem 0 0; }
legend { font-weight: 700; padding: 0 .3rem; }
[hidden] { display: none !important; }

button, .button { display: inline-block; padding: .5rem 1rem; font: inherit; font-weight: 600; border-radius: 5px; cursor: pointer;
  border: 1px solid var(--border); background: #fff; color: var(--navy); text-decoration: none; }
button:hover, .button:hover { border-color: var(--navy); }
.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.primary:hover { background: #22375a; }
.danger { color: var(--error); border-color: #e6b8b5; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.link { background: none; border: 0; padding: 0; color: var(--info); font-weight: 400; }
.actions { display: flex; gap: .75rem; align-items: center; margin-top: .5rem; }
.actions form { margin: 0; }
.inline-form { display: flex; gap: .75rem; align-items: flex-end; margin-bottom: 1rem; }
.inline-form label { margin: 0; }

.filters { display: flex; gap: .5rem; margin-bottom: 1rem; }
.filters input { max-width: 320px; margin: 0; }
.filters select { max-width: 180px; margin: 0; }

table.list { width: 100%; border-collapse: collapse; background: #fff; }
.card table.list { background: none; }
table.list th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--grey); padding: .5rem; border-bottom: 2px solid var(--border); }
table.list td { padding: .55rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
table.list tfoot td { border: 0; padding: .3rem .5rem; }
table.list tfoot tr.grand td { font-weight: 700; border-top: 2px solid var(--navy); }
.num { text-align: right; white-space: nowrap; }
.empty { text-align: center; color: var(--grey); padding: 2rem; }
.muted { color: var(--grey); }
.pre { white-space: pre-line; }

table.items-edit { width: 100%; border-collapse: collapse; margin-bottom: .75rem; }
table.items-edit th { text-align: left; font-size: .8rem; color: var(--grey); padding: .3rem; }
table.items-edit td { padding: .3rem; vertical-align: top; border-top: 1px solid var(--border); }
table.items-edit input, table.items-edit select, table.items-edit textarea { margin: 0 0 .25rem; }
table.items-edit input.num { text-align: right; width: 90px; }
table.items-edit td:nth-child(2) { width: 45%; }
table.items-edit .drag { color: var(--grey); padding-top: .8rem; }
table.items-edit .line-total { padding-top: .8rem; }
.totals-preview { text-align: right; font-size: 1.05rem; }

.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 700; vertical-align: middle; }
.badge.draft { background: #ECEEF2; color: var(--grey); }
.badge.issued { background: #FCEBD8; color: #8A4A07; }
.badge.paid { background: #DDF1E4; color: var(--ok); }
.badge.cancelled { background: #F6DCDA; color: var(--error); }
.badge.credit { background: #E2E8F5; color: var(--info); }

.flash { padding: .7rem 1rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid; }
.flash ul { margin: .25rem 0 0; padding-left: 1.2rem; }
.flash.success { background: #EAF6EE; border-color: #BFE3CB; color: var(--ok); }
.flash.error { background: #FBEDEC; border-color: #EFC4C0; color: var(--error); }
.flash.info { background: #EDF2FA; border-color: #C8D6EE; color: var(--info); }
.hint { color: var(--grey); font-size: .9rem; }
.ok { color: var(--ok); font-weight: 600; }
.error-text { color: var(--error); font-weight: 600; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dt { color: var(--grey); }
dd { margin: 0; word-break: break-all; }
code { font-size: .8rem; }
.logo-preview { display: flex; align-items: center; gap: 1.5rem; }
.logo-preview img { max-height: 60px; max-width: 240px; border: 1px solid var(--border); padding: .4rem; background: #fff; }

@media (max-width: 760px) {
  .columns { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr 1fr; }
  .topbar { flex-wrap: wrap; gap: .75rem; }
}