/* ============================================================
   Lonu Finance — application stylesheet
   ============================================================ */
:root {
  --navy: #10203a;
  --navy-2: #16294a;
  --navy-3: #1d3358;
  --accent: #2f6df6;
  --accent-soft: #e8effe;
  --bg: #f4f6fb;
  --card: #ffffff;
  --line: #e3e8f0;
  --text: #1b2436;
  --muted: #6d7a90;
  --green: #12855a;
  --green-soft: #e3f6ee;
  --amber: #a86500;
  --amber-soft: #fdf1dc;
  --red: #c0392b;
  --red-soft: #fdeaea;
  --blue: #1f6fd0;
  --blue-soft: #e7f1fd;
  --purple: #6d46c4;
  --purple-soft: #efe9fb;
  --grey-soft: #eef1f6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16,32,58,.06), 0 8px 24px -12px rgba(16,32,58,.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.25; }
.icon { width: 18px; height: 18px; flex: none; }
.icon-lg { width: 40px; height: 40px; }
.text-muted { color: var(--muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.nowrap { white-space: nowrap; }
.mono { font-family: "Cascadia Mono", Consolas, monospace; font-size: .9em; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.muted-sm { color: var(--muted); font-size: .82rem; }
.pos { color: var(--green); font-weight: 600; }
.neg { color: var(--red); font-weight: 600; }

/* ---------------- Layout ---------------- */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 258px; flex: none;
  background: linear-gradient(180deg, var(--navy) 0%, #0c1a30 100%);
  color: #cbd6e8;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; }
.brand-mark { width: 34px; height: 34px; border-radius: 9px; background: var(--accent); color: #fff; display: grid; place-items: center; flex: none; }
.brand-mark .icon { width: 19px; height: 19px; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; border-radius: 8px; background: #fff; padding: 3px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; overflow: hidden; }
.brand-text strong { color: #fff; font-size: .98rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text small { color: #7f8ead; font-size: .7rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-close { display: none; background: none; border: 0; color: #9fb0cc; cursor: pointer; margin-left: auto; }

.nav { flex: 1; padding: 6px 10px 20px; }
.nav-group { margin-bottom: 14px; }
.nav-group-label { display: block; padding: 6px 10px; font-size: .68rem; letter-spacing: .09em; text-transform: uppercase; color: #6a7c9c; font-weight: 700; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 11px; margin: 1px 0;
  border-radius: var(--radius-sm);
  color: #c3cfe3; font-weight: 500; font-size: .9rem;
}
.nav-item:hover { background: var(--navy-2); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--accent); color: #fff; box-shadow: 0 6px 16px -8px var(--accent); }
.nav-item .icon { width: 17px; height: 17px; opacity: .9; }

.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(0,0,0,.15); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--navy-3); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .8rem; flex: none; }
.sidebar-user-info { display: flex; flex-direction: column; line-height: 1.2; overflow: hidden; }
.sidebar-user-info strong { color: #fff; font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-info small { color: #8092b1; font-size: .72rem; }
.sidebar-user .icon-btn { margin-left: auto; color: #93a4c1; background: none; border: 0; cursor: pointer; padding: 6px; border-radius: 6px; }
.sidebar-user .icon-btn:hover { background: rgba(255,255,255,.1); color: #fff; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 26px; background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar-title h1 { font-size: 1.22rem; margin: 0; }
.topbar-title p { margin: 2px 0 0; color: var(--muted); font-size: .82rem; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.hamburger { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; border-radius: 8px; }
.hamburger:hover { background: var(--grey-soft); }
.sidebar-backdrop { display: none; }

.content { padding: 22px 26px 60px; }

/* ---------------- Cards & grid ---------------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 18px; }
.card-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.card-head h2, .card-head h3 { margin: 0; font-size: 1rem; }
.card-head .spacer { margin-left: auto; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid-2-1 { grid-template-columns: 2fr 1fr; }
.grid-1-2 { grid-template-columns: 1fr 2fr; }

/* ---------------- KPI tiles ---------------- */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-bottom: 18px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); display: flex; gap: 14px; align-items: flex-start; }
.kpi-icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); flex: none; }
.kpi-icon.green { background: var(--green-soft); color: var(--green); }
.kpi-icon.red { background: var(--red-soft); color: var(--red); }
.kpi-icon.amber { background: var(--amber-soft); color: var(--amber); }
.kpi-icon.purple { background: var(--purple-soft); color: var(--purple); }
.kpi-label { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; }
.kpi-value { font-size: 1.35rem; font-weight: 700; margin-top: 2px; }
.kpi-sub { font-size: .78rem; color: var(--muted); margin-top: 2px; }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .875rem; }
table.data th, table.data td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.data th { background: #f8fafd; font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; white-space: nowrap; position: sticky; top: 0; }
table.data tbody tr:hover { background: #fafbfe; }
table.data tfoot td { font-weight: 700; background: #f8fafd; border-top: 2px solid var(--line); }
table.data td.right, table.data th.right { text-align: right; }
table.data.compact th, table.data.compact td { padding: 8px 10px; }
.table-actions { display: flex; gap: 6px; justify-content: flex-end; }
.empty-row { text-align: center; color: var(--muted); padding: 26px 14px; }

/* ---------------- Badges ---------------- */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; white-space: nowrap; }
.badge-green  { background: var(--green-soft); color: var(--green); }
.badge-amber  { background: var(--amber-soft); color: var(--amber); }
.badge-red    { background: var(--red-soft); color: var(--red); }
.badge-blue   { background: var(--blue-soft); color: var(--blue); }
.badge-purple { background: var(--purple-soft); color: var(--purple); }
.badge-grey   { background: var(--grey-soft); color: #5c6a80; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 9px 15px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-size: .87rem; font-weight: 600; cursor: pointer; background: var(--grey-soft); color: var(--text);
  text-decoration: none; line-height: 1; white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-red { background: var(--red); color: #fff; }
.btn-amber { background: var(--amber); color: #fff; }
.btn-outline { background: #fff; border-color: var(--line); color: var(--text); }
.btn-outline:hover { background: #f7f9fd; }
.btn-sm { padding: 6px 10px; font-size: .8rem; }
.btn-lg { padding: 12px 20px; font-size: .95rem; }
.btn:disabled, .btn.disabled { opacity: .5; pointer-events: none; }
.btn .icon { width: 15px; height: 15px; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 6px; border-radius: 7px; display: inline-flex; }
.icon-btn:hover { background: var(--grey-soft); color: var(--text); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------- Forms ---------------- */
.form-grid { display: grid; gap: 16px 18px; grid-template-columns: repeat(3, minmax(0,1fr)); }
.form-grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.form-grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.span-2 { grid-column: span 2; }
.field.span-3 { grid-column: span 3; }
.field.span-full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 700; color: #43506a; text-transform: uppercase; letter-spacing: .03em; }
.field .hint { font-size: .76rem; color: var(--muted); }
.field .req { color: var(--red); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date],
input[type=search], input[type=url], input[type=tel], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #d5dce8; border-radius: var(--radius-sm);
  font-size: .9rem; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,109,246,.13); }
textarea { resize: vertical; min-height: 74px; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236d7a90' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 9px center; background-size: 15px; padding-right: 30px; }
.checkline { display: flex; align-items: center; gap: 8px; font-size: .88rem; }
.checkline input { width: auto; }
.form-section-title { font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); margin: 4px 0 -2px; grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; padding: 16px 18px; border-top: 1px solid var(--line); background: #fafbfe; border-radius: 0 0 var(--radius) var(--radius); flex-wrap: wrap; }

/* filters bar */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.filters .field { min-width: 150px; }
.filters .field.grow { flex: 1; min-width: 220px; }
.filters .field label { font-size: .72rem; }

/* ---------------- Alerts ---------------- */
.alert { display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: .88rem; border: 1px solid transparent; }
.alert .icon { width: 17px; height: 17px; flex: none; }
.alert-success { background: var(--green-soft); color: #0d6b48; border-color: #bfe6d6; }
.alert-error   { background: var(--red-soft); color: #9d2f22; border-color: #f4cfc9; }
.alert-warning { background: var(--amber-soft); color: #875200; border-color: #f2ddb6; }
.alert-info    { background: var(--blue-soft); color: #17568f; border-color: #c9e0f7; }

/* ---------------- Lists / misc ---------------- */
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.list-plain li:last-child { border-bottom: 0; }
.list-plain .li-main { flex: 1; min-width: 0; }
.list-plain .li-main strong { display: block; font-size: .9rem; }
.list-plain .li-main small { color: var(--muted); font-size: .78rem; }

.progress { height: 8px; border-radius: 999px; background: var(--grey-soft); overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.progress > span.warn { background: var(--amber); }
.progress > span.over { background: var(--red); }
.progress > span.ok { background: var(--green); }

.stat-line { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: .88rem; }
.stat-line:last-child { border-bottom: 0; }
.stat-line strong { font-variant-numeric: tabular-nums; }

.pager { display: flex; gap: 5px; padding: 14px 18px; flex-wrap: wrap; }
.page-btn { padding: 6px 11px; border: 1px solid var(--line); border-radius: 7px; font-size: .82rem; color: var(--text); background: #fff; }
.page-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-btn:hover { text-decoration: none; background: #f2f6fe; }
.page-btn.active:hover { background: var(--accent); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; }
.tab { padding: 10px 15px; border-bottom: 2px solid transparent; color: var(--muted); font-weight: 600; font-size: .87rem; white-space: nowrap; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab:hover { text-decoration: none; color: var(--text); }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; background: var(--grey-soft); font-size: .78rem; font-weight: 600; color: #4b5870; }

.empty-state { text-align: center; padding: 46px 20px; color: var(--muted); }
.empty-icon { color: #b8c3d6; margin-bottom: 8px; display: flex; justify-content: center; }
.center-screen { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.center-screen .card { max-width: 420px; width: 100%; }

/* ---------------- Login ---------------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 20% 0%, #1d3358 0%, #0c1a30 55%, #08111f 100%); }
.login-card { width: 100%; max-width: 400px; background: #fff; border-radius: 16px; box-shadow: 0 30px 70px -30px rgba(0,0,0,.6); padding: 30px; }
.login-card .brand-row { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.login-card .brand-row .brand-mark { width: 42px; height: 42px; border-radius: 11px; background: var(--accent); display: grid; place-items: center; color: #fff; }
.login-card h1 { font-size: 1.2rem; }
.login-card p.sub { color: var(--muted); font-size: .85rem; margin: 2px 0 0; }
.login-hint { margin-top: 18px; padding: 11px 13px; background: var(--accent-soft); border-radius: var(--radius-sm); font-size: .8rem; color: #24478a; }

/* ---------------- Item rows (PR / PO) ---------------- */
.items-table td { padding: 7px 8px; }
.items-table input, .items-table select { padding: 7px 9px; font-size: .85rem; }
.items-table td.num { width: 110px; }
.line-total { font-variant-numeric: tabular-nums; font-weight: 600; }
.totals-box { margin-left: auto; width: 300px; }
.totals-box .stat-line { padding: 7px 0; }

/* ---------------- Print ---------------- */
@media print {
  .sidebar, .topbar-actions, .hamburger, .btn, .pager { display: none !important; }
  .app { display: block; }
  .sidebar { display: none; }
  .content { padding: 0; }
  .card { box-shadow: none; border-color: #ccc; }
  body { background: #fff; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .form-grid.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 820px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 60; transform: translateX(-100%); transition: transform .2s ease; }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-backdrop { display: block; position: fixed; inset: 0; background: rgba(8,17,31,.5); z-index: 50; }
  .sidebar-close { display: inline-flex; }
  .hamburger { display: inline-flex; }
  .content { padding: 16px 14px 50px; }
  .topbar { padding: 12px 14px; }
  .kpis, .grid-2, .grid-3, .grid-4, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .form-grid, .form-grid.cols-2, .form-grid.cols-4 { grid-template-columns: 1fr; }
  .field.span-2, .field.span-3 { grid-column: span 1; }
  .totals-box { width: 100%; }
  .topbar-actions { width: 100%; }
}