:root {
  --ground: #F4F6F8;
  --surface: #FFFFFF;
  --ink: #17212B;
  --ink-2: #3C4752;
  --muted: #5A6672;
  --line: #DDE2E7;
  --line-2: #C5CDD5;
  --soft: #EEF1F4;
  --accent: #0B6E79;
  --accent-ink: #084F57;
  --top: #17212B;
  --bad: #9B1C14;
  --radius: 10px;
  --mono: "IBM Plex Mono", ui-monospace, "DejaVu Sans Mono", monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 15px/1.45 var(--sans); }
a { color: var(--accent); }
a:hover { color: var(--accent-ink); }
h1 { margin: 0; font-size: 26px; font-weight: 600; }
h2 { margin: 0; font-size: 16px; font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; width: 100%; }
ul { margin: 0; padding-left: 20px; }

.wrap { max-width: 1360px; margin: 0 auto; padding: 0 24px; }
.main { padding-top: 24px; padding-bottom: 48px; display: flex; flex-direction: column; gap: 20px; }

/* верх */
.top { background: var(--top); color: #fff; }
.top-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 32px; min-height: 60px; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; }
.brand span { font-weight: 400; font-size: 13px; color: #A9B4BF; margin-left: 8px; }
.brand:hover { color: #fff; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; flex: 1 1 auto; }
.nav a { color: #C9D2DA; text-decoration: none; padding: 10px 14px; border-radius: 6px; }
.nav a:hover { color: #fff; background: #222E39; }
.nav a.on { color: #fff; background: #2A3743; font-weight: 500; }
.me { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.me a { color: #C9D2DA; }
.me form { margin: 0; }
.link { background: none; border: 0; color: #C9D2DA; font: inherit; cursor: pointer; text-decoration: underline; padding: 8px 0; }

/* общи */
.page-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.page-head .back { text-decoration: none; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.grow { flex: 1 1 auto; }
.right { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.strong { font-weight: 600; }
.big { font-size: 24px; font-weight: 500; }
.mono { font-family: var(--mono); }
.r { text-align: right; }
.nowrap { white-space: nowrap; }
.strike { text-decoration: line-through; color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.stack { display: flex; flex-direction: column; gap: 14px; }
.row-between { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.pad { padding: 20px; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.card-foot { padding: 14px 20px; border-top: 1px solid var(--line); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 16px;
  border-radius: 8px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink);
  font: inherit; font-weight: 500; text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--muted); color: var(--ink); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; }
.btn-danger { color: var(--bad); border-color: #E5B5B0; }
.btn-lg { min-height: 50px; }
.btn-block { width: 100%; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 8px;
  border-radius: 8px; border: 0; background: transparent; color: var(--ink-2); font: inherit; font-size: 13px; cursor: pointer; text-decoration: none; }
.icon-btn:hover { background: var(--soft); }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > span, .field > label { font-size: 13px; color: var(--muted); font-weight: 500; }
input:not([type=checkbox]):not([type=radio]), select, textarea {
  min-height: 44px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 8px;
  font: inherit; color: var(--ink); background: var(--surface); width: 100%; }
textarea { padding: 10px 12px; resize: vertical; }
input[readonly] { background: var(--ground); color: var(--ink-2); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(11,110,121,.15); }
input.mono, select.mono { font-family: var(--mono); }
input.r { text-align: right; }
.check { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; cursor: pointer; font-size: 14px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

.fields2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.fields4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; }
.span2 { grid-column: 1 / -1; }
.info > div { display: flex; flex-direction: column; gap: 2px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin: 0; }
.inline-form .field { flex: 0 1 180px; }
.inline-form .field.grow { flex: 1 1 260px; }

.flash { padding: 12px 16px; border-radius: 8px; background: #E3F2EA; color: #1D5E3A; border: 1px solid #BFE0CC; }
.flash-warn { background: #FFF1D6; color: #7A4B00; border-color: #F0D9A8; }
.flash-error { background: #FBE3E1; color: var(--bad); border-color: #F0C2BD; }
.flash ul { margin-top: 4px; }

/* сегментиран избор */
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; background: var(--soft); padding: 4px; border-radius: 8px; align-self: flex-start; }
.seg a, .seg label { display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 6px;
  color: var(--ink-2); text-decoration: none; font-size: 14px; cursor: pointer; }
.seg a.on, .seg label.on { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(23,33,43,.12); }
.seg label input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:focus-within { outline: 2px solid var(--accent); }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 16px 20px; border-bottom: 1px solid var(--line); margin: 0; }
.toolbar input[type=search] { max-width: 320px; }
.toolbar select { width: auto; }

/* таблици */
.scroll { overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
.grid th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; font-weight: 600; padding: 12px; }
.grid td { padding: 10px 12px; border-top: 1px solid var(--soft); vertical-align: middle; }
.grid th:first-child, .grid td:first-child { padding-left: 20px; }
.grid th:last-child, .grid td:last-child { padding-right: 20px; }
.grid th.r { text-align: right; }
.grid .empty { text-align: center; color: var(--muted); padding: 32px; }
.grid tr.inactive td { color: var(--muted); }
.grid.small { font-size: 13px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-paid { background: #E3F2EA; color: #1D5E3A; }
.b-unpaid { background: #FFF1D6; color: #7A4B00; }
.b-partial { background: #FFF1D6; color: #7A4B00; }
.b-overdue { background: #FBE3E1; color: var(--bad); }
.b-cancelled { background: #ECEEF0; color: var(--muted); }
.b-draft { background: transparent; color: var(--ink-2); border: 1px dashed #8A96A3; font-weight: 500; }
.b-none { color: var(--muted); font-weight: 400; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.stat { padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.stat b { font-size: 22px; font-weight: 500; }
.stat-bad, .stat-bad b { color: var(--bad); }

/* страници */
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 14px 20px; border-top: 1px solid var(--line); }
.pager a, .pager span.on { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 10px; border-radius: 8px; text-decoration: none; }
.pager a { color: var(--ink-2); border: 1px solid var(--line); }
.pager a:hover { border-color: var(--muted); }
.pager span.on { background: var(--accent); color: #fff; font-weight: 600; }
.pager .gap { color: var(--muted); padding: 0 4px; }
.pager .small { margin-left: auto; }

/* мейл в списъка */
.mail { font-size: 13px; font-weight: 500; }
.mail-sent { color: #1D5E3A; }
.mail-pending { color: #7A4B00; }
.mail-failed { color: var(--bad); }

/* редактор */
.split { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.split-main { flex: 999 1 640px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.split-side { flex: 1 1 300px; min-width: 0; position: sticky; top: 16px; }
.lines td { padding: 6px 6px; vertical-align: top; }
.lines td:first-child { padding-left: 20px; }
.lines textarea { min-height: 44px; resize: vertical; }
.lines .line-sum { padding-top: 16px; white-space: nowrap; }
.w-qty { width: 90px; } .w-unit { width: 80px; } .w-price { width: 120px; } .w-vat { width: 72px; } .w-sum { width: 120px; } .w-x { width: 48px; }
.picker { position: relative; }
.picker-list { position: absolute; z-index: 10; top: 100%; left: 0; right: 0; margin: 4px 0 0; padding: 4px; list-style: none;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: 8px; box-shadow: 0 8px 24px rgba(23,33,43,.12); max-height: 320px; overflow: auto; }
.picker-list li { padding: 10px 12px; border-radius: 6px; cursor: pointer; }
.picker-list li[aria-selected=true], .picker-list li:hover { background: var(--soft); }
.picker-list .small { display: block; }
.partner-card { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px 24px; background: var(--ground); border-radius: 8px; padding: 14px 16px; font-size: 14px; }
.partner-card > div { display: flex; flex-direction: column; }
.danger-zone { margin: 0; }
.cancel-box summary { cursor: pointer; color: var(--bad); padding: 10px 0; }
.history { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }

/* вход */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login { width: 100%; max-width: 380px; padding: 28px; display: flex; flex-direction: column; gap: 16px; }

@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .fields2 { grid-template-columns: minmax(0, 1fr); }
  .split-side { position: static; }
  .toolbar input[type=search] { max-width: none; }
}
@media print {
  .top, .actions, .split-side .btn { display: none; }
}

/* абонаменти */
.sub-head { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; }
.stack-tight { display: flex; flex-direction: column; gap: 4px; }
.right-col { align-items: flex-end; }
.b-auto { background: #E2EEF7; color: #1F4E79; }
.pad-x { padding: 0 20px; margin: 0 0 8px; }
fieldset.plain { border: 0; margin: 0; padding: 0; }
code { font-family: var(--mono); background: var(--soft); padding: 1px 5px; border-radius: 4px; font-size: 13px; }

/* шаблони на писмата */
.tpl { border-top: 1px solid var(--line); padding-top: 12px; }
.tpl summary { cursor: pointer; padding: 6px 0; }
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; margin-top: 12px; }
.mail-preview { border: 1px solid var(--line); border-radius: 8px; background: var(--ground); }
.mail-subj { padding: 10px 14px; border-bottom: 1px solid var(--line); font-weight: 600; }
.mail-preview pre { margin: 0; padding: 14px; white-space: pre-wrap; font: 14px/1.5 var(--sans); }