/* ============================================================
   AEON CORE TECHNOLOGIES — Business Management System
   Brand: navy #072A66 / #0D3E86 · red #C90016 / #E31A24
          blue #0866C6 · ink #16213A · mist #F5F7FA
   ============================================================ */
:root {
  --aeon-navy: #072A66;
  --aeon-navy-2: #0D3E86;
  --aeon-red: #C90016;
  --aeon-red-2: #E31A24;
  --aeon-blue: #0866C6;
  --aeon-ink: #16213A;
  --aeon-mist: #F5F7FA;
  --aeon-line: #E4E9F2;
  --sidebar-w: 258px;
  --bs-primary: #0D3E86;
  --bs-primary-rgb: 13, 62, 134;
  --bs-danger: #C90016;
  --bs-danger-rgb: 201, 0, 22;
  --bs-link-color: #0866C6;
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
html, body { height: 100%; }
body { background: var(--aeon-mist); color: var(--aeon-ink); font-family: 'Inter', system-ui, sans-serif; font-size: .925rem; }
h1,h2,h3,h4,h5,.aeon-display, .page-title { font-family: 'Space Grotesk', 'Inter', sans-serif; }
.text-navy { color: var(--aeon-navy) !important; }
.text-red { color: var(--aeon-red) !important; }
.bg-navy { background: var(--aeon-navy) !important; }
a { text-decoration: none; }

/* ---------- Shell ---------- */
.aeon-shell { display: flex; min-height: 100vh; }
.aeon-main { flex: 1; min-width: 0; display: flex; flex-direction: column; margin-left: var(--sidebar-w); }
.aeon-content { flex: 1; padding: 1.4rem 1.6rem 2rem; }
.aeon-footer { padding: .8rem 1.6rem; font-size: .8rem; color: #7c8aa5; border-top: 1px solid var(--aeon-line); background: #fff; }

/* ---------- Sidebar ---------- */
.aeon-sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); z-index: 1040;
  background: linear-gradient(180deg, #07204d 0%, var(--aeon-navy) 45%, #0A3474 100%);
  color: #cdd9ef; display: flex; flex-direction: column; overflow-y: auto;
}
.aeon-sidebar .brand { padding: 1.1rem 1.2rem .9rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.aeon-sidebar .brand-logo { max-width: 178px; height: auto; display: block; }
.aeon-nav { padding: .7rem .7rem 1rem; flex: 1; }
.aeon-nav .nav-section {
  font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: #7c93c4;
  padding: 1rem .6rem .35rem; font-weight: 600;
}
.aeon-nav .nav-item {
  display: flex; align-items: center; gap: .65rem; color: #cdd9ef; padding: .5rem .65rem;
  border-radius: .55rem; font-size: .875rem; margin-bottom: 2px; border-left: 3px solid transparent;
  transition: background .15s, color .15s;
}
.aeon-nav .nav-item i { font-size: 1.02rem; width: 1.2rem; text-align: center; opacity: .85; }
.aeon-nav .nav-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.aeon-nav .nav-item.active {
  background: rgba(227,26,36,.16); color: #fff; border-left-color: var(--aeon-red-2); font-weight: 600;
}
.sidebar-foot { padding: .8rem 1.2rem; border-top: 1px solid rgba(255,255,255,.08); font-size: .75rem; }

/* ---------- Topbar ---------- */
.aeon-topbar {
  display: flex; align-items: center; gap: 1rem; background: #fff; padding: .65rem 1.6rem;
  border-bottom: 1px solid var(--aeon-line); position: sticky; top: 0; z-index: 1020;
}
.topbar-search { position: relative; width: min(480px, 42vw); }
.topbar-search i { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%); color: #9aa7bd; }
.topbar-search .form-control { padding-left: 2.3rem; background: var(--aeon-mist); border-color: transparent; border-radius: 2rem; }
.topbar-search .form-control:focus { background: #fff; border-color: var(--aeon-blue); box-shadow: 0 0 0 .2rem rgba(8,102,198,.12); }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--aeon-navy-2), var(--aeon-navy));
  color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-family: 'Space Grotesk';
}

/* ---------- Page header ---------- */
.page-head { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-bottom: 1.1rem; }
.page-title { font-size: 1.35rem; font-weight: 700; color: var(--aeon-navy); margin: 0; }
.page-title .bi { color: var(--aeon-red); margin-right: .35rem; }
.breadcrumb { --bs-breadcrumb-divider-color: #9aa7bd; font-size: .8rem; margin: 0; }

/* ---------- Cards ---------- */
.card { border: 1px solid var(--aeon-line); border-radius: .8rem; box-shadow: 0 1px 2px rgba(9,30,66,.05); }
.card-header { background: #fff; border-bottom: 1px solid var(--aeon-line); font-weight: 600; color: var(--aeon-navy); border-radius: .8rem .8rem 0 0 !important; }

/* KPI tiles */
.kpi { border-radius: .9rem; padding: 1rem 1.15rem; background: #fff; border: 1px solid var(--aeon-line); position: relative; overflow: hidden; height: 100%; }
.kpi::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--kpi-color, var(--aeon-navy-2)); }
.kpi .kpi-icon {
  width: 42px; height: 42px; border-radius: .7rem; display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--kpi-color, var(--aeon-navy-2)) 12%, #fff); color: var(--kpi-color, var(--aeon-navy-2)); font-size: 1.2rem;
}
.kpi .kpi-value { font-family: 'Space Grotesk'; font-size: 1.32rem; font-weight: 700; color: var(--aeon-ink); line-height: 1.15; }
.kpi .kpi-label { font-size: .74rem; color: #7c8aa5; text-transform: uppercase; letter-spacing: .07em; font-weight: 600; }
.kpi .kpi-sub { font-size: .76rem; color: #97a3b8; }

/* ---------- Tables ---------- */
.table { --bs-table-hover-bg: #f2f6fc; font-size: .875rem; }
.table thead th {
  background: var(--aeon-navy); color: #fff; font-weight: 600; font-size: .74rem; text-transform: uppercase;
  letter-spacing: .05em; border: 0; padding: .6rem .75rem; white-space: nowrap;
}
.table thead th a { color: #fff; }
.table tbody td { vertical-align: middle; padding: .55rem .75rem; border-color: var(--aeon-line); }
.table .doc-no { font-family: 'Space Grotesk'; font-weight: 600; color: var(--aeon-navy-2); }
.aeon-badge { font-size: .7rem; font-weight: 600; letter-spacing: .03em; white-space: normal; }

/* Status colour system (accessible on white) — v1.1 */
.st-draft     { background: #EDF0F5; color: #4A5568; border: 1px solid #D5DCEA; }
.st-sent      { background: #E3EEFB; color: #0B5CB8; border: 1px solid #B9D5F2; }
.st-approved, .st-paid, .st-received, .st-active, .st-in
              { background: #E3F4EA; color: #0F6E3B; border: 1px solid #B7E0C8; }
.st-rejected, .st-overdue, .st-unpaid, .st-out
              { background: #FBE5E7; color: #A9000F; border: 1px solid #F2BCC1; }
.st-expired   { background: #FDEEDD; color: #B45A06; border: 1px solid #F5D3AB; }
.st-pending   { background: #FCF3DC; color: #92610A; border: 1px solid #F0DBA8; }
.st-partial   { background: #EFE7FB; color: #5B21B6; border: 1px solid #D9C6F5; }
.st-cancelled { background: #E4E6E9; color: #33383F; border: 1px solid #C8CCD2; }
.st-converted { background: #DFF3F3; color: #0A6E6E; border: 1px solid #B4E0E0; }
.st-inactive  { background: #EDF0F5; color: #6c757d; border: 1px solid #D5DCEA; }
.st-adjust    { background: #E3EEFB; color: #0B5CB8; border: 1px solid #B9D5F2; }

/* Dedicated status row inside the document meta card — never overlaps content */
.doc-meta-card .meta-status td { padding-top: .45rem; border-top: 1px dashed var(--aeon-line); }
.doc-meta-card .aeon-badge { font-size: .74rem; padding: .32rem .6rem; }

/* Status history timeline */
.history-line { border-left: 2px solid var(--aeon-line); margin-left: .55rem; padding-left: 1rem; }
.history-item { position: relative; padding-bottom: .85rem; }
.history-item::before {
  content: ""; position: absolute; left: -1.42rem; top: .3rem; width: 11px; height: 11px;
  border-radius: 50%; background: #fff; border: 3px solid var(--aeon-navy-2);
}
.history-item.hi-red::before { border-color: var(--aeon-red); }
.history-item.hi-green::before { border-color: #168A49; }
.table-card .card-body { padding: 0; }
.table-card table { margin: 0; }
.table-card .table > :not(caption) > * > *:first-child { padding-left: 1.1rem; }
.table-card .table > :not(caption) > * > *:last-child { padding-right: 1.1rem; }

/* ---------- Buttons ---------- */
.btn { border-radius: .55rem; font-weight: 500; }
.btn-primary { background: var(--aeon-navy-2); border-color: var(--aeon-navy-2); }
.btn-primary:hover, .btn-primary:focus { background: var(--aeon-navy); border-color: var(--aeon-navy); }
.btn-danger { background: var(--aeon-red); border-color: var(--aeon-red); }
.btn-danger:hover { background: #a30012; border-color: #a30012; }
.btn-aeon-red { background: var(--aeon-red); border-color: var(--aeon-red); color: #fff; }
.btn-aeon-red:hover { background: #a30012; color: #fff; }
.btn-outline-navy { border: 1px solid var(--aeon-navy-2); color: var(--aeon-navy-2); }
.btn-outline-navy:hover { background: var(--aeon-navy-2); color: #fff; }
.btn-icon { width: 31px; height: 31px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }

/* ---------- Forms ---------- */
.form-label { font-weight: 600; font-size: .8rem; color: var(--aeon-navy); margin-bottom: .25rem; }
.form-control, .form-select { border-radius: .55rem; border-color: #d5dcea; font-size: .875rem; }
.form-control:focus, .form-select:focus { border-color: var(--aeon-blue); box-shadow: 0 0 0 .2rem rgba(8,102,198,.12); }
.required::after { content: " *"; color: var(--aeon-red); }
.filter-bar { background: #fff; border: 1px solid var(--aeon-line); border-radius: .8rem; padding: .8rem 1rem; margin-bottom: 1rem; }

/* ---------- Login ---------- */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem 1rem;
  background: linear-gradient(135deg, #061c43 0%, var(--aeon-navy) 42%, var(--aeon-navy-2) 100%); position: relative; overflow: hidden;
}
.login-page::before, .login-page::after {
  content: ""; position: absolute; background: rgba(227,26,36,.14); transform: rotate(45deg);
}
.login-page::before { width: 420px; height: 420px; right: -160px; top: -160px; }
.login-page::after { width: 300px; height: 300px; left: -130px; bottom: -130px; background: rgba(8,102,198,.16); }
.login-card { width: 100%; max-width: 430px; border: 0; border-radius: 1.1rem; box-shadow: 0 24px 70px rgba(2,12,34,.45); position: relative; z-index: 2; }
.login-card .card-top { background: #fff; border-radius: 1.1rem 1.1rem 0 0; padding: 1.6rem 1.8rem 1rem; text-align: center; }
.login-card .card-top img { max-width: 220px; }
.login-rule { height: 4px; background: linear-gradient(90deg, var(--aeon-red) 0 34%, var(--aeon-navy-2) 34% 100%); }
.pixel-squares { position: absolute; z-index: 1; }

/* ---------- Document view (on-screen invoice/quote) ---------- */
.doc-sheet { background: #fff; border: 1px solid var(--aeon-line); border-radius: .8rem; padding: 2rem; max-width: 900px; }
.doc-rule { height: 4px; background: linear-gradient(90deg, var(--aeon-red) 0 30%, var(--aeon-navy) 30% 100%); border-radius: 2px; margin: .9rem 0 1.2rem; }
.doc-title { font-family: 'Space Grotesk'; color: var(--aeon-red); font-weight: 700; letter-spacing: .04em; }
.doc-meta-card { background: var(--aeon-mist); border: 1px solid var(--aeon-line); border-radius: .6rem; padding: .8rem 1rem; font-size: .85rem; }
.party-card { background: var(--aeon-mist); border-left: 4px solid var(--aeon-navy-2); border-radius: .5rem; padding: .85rem 1rem; font-size: .86rem; height: 100%; }
.party-card.red { border-left-color: var(--aeon-red); }
.party-card .party-label { font-size: .68rem; letter-spacing: .12em; color: var(--aeon-red); font-weight: 700; text-transform: uppercase; }
.totals-table td { padding: .3rem .6rem; }
.totals-grand { background: var(--aeon-navy); color: #fff; font-family: 'Space Grotesk'; font-weight: 700; }

/* ---------- Items editor ---------- */
#itemsTable .form-control, #itemsTable .form-select { font-size: .84rem; padding: .3rem .5rem; }
#itemsTable td { padding: .3rem .35rem; }
.item-search-wrap { position: relative; }
.item-suggest {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 1050; background: #fff; border: 1px solid var(--aeon-line);
  border-radius: .5rem; box-shadow: 0 10px 30px rgba(9,30,66,.14); max-height: 260px; overflow-y: auto; display: none;
}
.item-suggest .sug { padding: .45rem .7rem; cursor: pointer; font-size: .84rem; border-bottom: 1px solid #f0f3f8; }
.item-suggest .sug:hover, .item-suggest .sug.hover { background: #eef4fd; }
.item-suggest .sug small { color: #8aa; }

/* ---------- Misc ---------- */
.low-stock { color: var(--aeon-red); font-weight: 700; }
.nav-tabs .nav-link { color: #5b6b88; font-weight: 500; }
.nav-tabs .nav-link.active { color: var(--aeon-navy); font-weight: 700; border-bottom: 3px solid var(--aeon-red); }
.aeon-flash { margin-bottom: 1rem; }
.sticky-actions { position: sticky; bottom: 0; background: #fff; border-top: 1px solid var(--aeon-line); padding: .8rem 1rem; z-index: 10; border-radius: 0 0 .8rem .8rem; }
.progress-thin { height: 6px; border-radius: 3px; }
.chart-box { position: relative; height: 300px; }
.chart-box-sm { position: relative; height: 240px; }

/* ---------- Mobile ---------- */
.aeon-sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(4,14,34,.5); z-index: 1035; }
@media (max-width: 991.98px) {
  .aeon-main { margin-left: 0; }
  .aeon-sidebar { transform: translateX(-100%); transition: transform .2s ease; }
  body.sidebar-open .aeon-sidebar { transform: translateX(0); }
  body.sidebar-open .aeon-sidebar-backdrop { display: block; }
  .aeon-content { padding: 1rem; }
  .topbar-search { width: 100%; }
}

/* ---------- Print ---------- */
@media print {
  body { background: #fff; }
  .aeon-main { margin-left: 0; }
  .aeon-content { padding: 0; }
  .doc-sheet { border: 0; padding: 0; max-width: none; }
  .d-print-none, .aeon-topbar, .aeon-sidebar, .aeon-footer, .btn, .alert { display: none !important; }
}

/* ---------- Upload dropzone (v1.1) ---------- */
.dropzone {
  border: 2px dashed #C3CEE0; border-radius: .8rem; padding: 1.4rem 1rem; text-align: center;
  color: #5b6b88; cursor: pointer; transition: border-color .15s, background .15s; background: #FAFBFD;
}
.dropzone:hover, .dropzone:focus, .dropzone.drag { border-color: var(--aeon-blue); background: #F0F6FE; color: var(--aeon-navy); }
.dropzone i { color: var(--aeon-blue); }
.att-row { background: #fff; }