/* ══════════════════════════════════════════════════════════════
   Xenus Solutions — Business Dashboard
   Dark premium · Amber accent · Playfair / IBM Plex
══════════════════════════════════════════════════════════════ */
:root {
  --bg:          #080808;
  --bg-2:        #0E0E10;
  --bg-3:        #141418;
  --surface:     #1A1A1F;
  --surface-2:   #1F1F25;
  --border:      rgba(232,168,85,0.12);
  --border-hi:   rgba(232,168,85,0.30);
  --text:        #F0EBE1;
  --text-2:      #8C867E;
  --text-3:      #4A4540;
  --amber:       #E8A855;
  --amber-light: #F0BC72;
  --amber-dim:   rgba(232,168,85,0.08);
  --amber-glow:  rgba(232,168,85,0.15);
  --green:       #5AB87E;
  --green-dim:   rgba(90,184,126,0.1);
  --red:         #E05A4E;
  --red-dim:     rgba(224,90,78,0.1);
  --purple:      #8B7FD4;
  --serif:       'Playfair Display', Georgia, serif;
  --sans:        'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --mono:        'IBM Plex Mono', 'Courier New', monospace;
  --sidebar-w:   220px;
  --topbar-h:    58px;
  --radius:      6px;
  --radius-lg:   10px;
  --shadow:      0 2px 24px rgba(0,0,0,0.45);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:15px; -webkit-font-smoothing:antialiased; scroll-behavior:smooth; }
body { background:var(--bg); color:var(--text); font-family:var(--sans); line-height:1.6; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
button { cursor:pointer; font-family:inherit; }
input,textarea,select { font-family:inherit; }
::selection { background:var(--amber-glow); color:var(--text); }
::-webkit-scrollbar { width:4px; height:4px; }
::-webkit-scrollbar-thumb { background:var(--border-hi); border-radius:4px; }

/* ── App shell ── */
.app-shell {
  display:grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  min-height:100vh;
}

/* ── Sidebar ── */
.sidebar {
  grid-row:1 / -1;
  background:var(--bg-2);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  z-index:100;
}
.sidebar-brand {
  padding:20px 18px 16px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:10px;
  min-height:66px;
}
.sidebar-logo { height:28px; width:auto; object-fit:contain; }
.sidebar-logo-text { font-family:var(--serif); font-size:15px; font-weight:700; color:var(--text); letter-spacing:0.05em; }
.sidebar-nav { flex:1; padding:14px 8px; display:flex; flex-direction:column; gap:2px; }
.nav-item {
  display:flex; align-items:center; gap:10px;
  padding:9px 12px; border-radius:var(--radius);
  font-size:0.875rem; font-weight:500; color:var(--text-2);
  transition:color 0.15s, background 0.15s;
  position:relative; white-space:nowrap;
}
.nav-item svg { width:17px; height:17px; flex-shrink:0; }
.nav-item:hover { color:var(--text); background:var(--amber-dim); }
.nav-item.active { color:var(--amber); background:var(--amber-dim); }
.nav-item.active::before {
  content:''; position:absolute; left:0; top:20%; bottom:20%;
  width:2px; background:var(--amber); border-radius:2px;
}
.nav-logout { color:var(--text-3); }
.nav-logout:hover { color:var(--red); background:rgba(224,90,78,0.08); }
.sidebar-footer { padding:8px; border-top:1px solid var(--border); }

/* ── Topbar ── */
.topbar {
  grid-column:2; background:var(--bg-2);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:12px;
  padding:0 28px; height:var(--topbar-h);
}
.menu-toggle {
  display:none; background:none; border:none; color:var(--text-2);
  width:36px; height:36px; align-items:center; justify-content:center;
  border-radius:var(--radius);
}
.menu-toggle svg { width:20px; height:20px; }
.menu-toggle:hover { background:var(--amber-dim); color:var(--text); }
.topbar-title { font-family:var(--serif); font-size:1rem; font-weight:700; color:var(--text-2); flex:1; }

/* ── Main content ── */
.main-content {
  grid-column:2; padding:28px 28px 60px;
  overflow-x:hidden; min-height:calc(100vh - var(--topbar-h));
}

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  padding:9px 18px; border-radius:var(--radius);
  font-size:0.78rem; font-weight:600; letter-spacing:0.05em;
  text-transform:uppercase; border:1px solid transparent;
  transition:all 0.15s; white-space:nowrap; cursor:pointer;
}
.btn-amber  { background:var(--amber); color:#080808; border-color:var(--amber); }
.btn-amber:hover { background:var(--amber-light); border-color:var(--amber-light); }
.btn-ghost  { background:transparent; color:var(--text-2); border-color:var(--border-hi); }
.btn-ghost:hover { color:var(--text); background:var(--amber-dim); }
.btn-green  { background:var(--green); color:#080808; border-color:var(--green); }
.btn-green:hover { background:#6FC98F; }
.btn-red    { background:transparent; color:var(--red); border-color:rgba(224,90,78,0.3); }
.btn-red:hover { background:var(--red-dim); }
.btn-sm { padding:6px 13px; font-size:0.72rem; }
.btn-xs { padding:4px 9px; font-size:0.68rem; }
.btn-full { width:100%; justify-content:center; }
.btn-group { display:flex; gap:8px; flex-wrap:wrap; }

/* ── Page header ── */
.page-header {
  display:flex; align-items:flex-start; justify-content:space-between;
  margin-bottom:28px; gap:16px; flex-wrap:wrap;
}
.page-title { font-family:var(--serif); font-size:1.8rem; font-weight:700; color:var(--text); line-height:1.2; }
.page-sub { color:var(--text-2); font-size:0.875rem; margin-top:4px; }

/* ── KPI cards ── */
.kpi-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; margin-bottom:28px; }
.kpi-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:20px 22px;
  position:relative; overflow:hidden; transition:border-color 0.2s;
}
.kpi-card:hover { border-color:var(--border-hi); }
.kpi-label { font-size:0.68rem; text-transform:uppercase; letter-spacing:0.12em; color:var(--text-2); margin-bottom:8px; }
.kpi-value { font-family:var(--serif); font-size:1.6rem; font-weight:700; color:var(--text); line-height:1; }
.kpi-value.green  { color:var(--green); }
.kpi-value.amber  { color:var(--amber); }
.kpi-value.red    { color:var(--red); }
.kpi-value.purple { color:var(--purple); }
.kpi-sub { font-size:0.75rem; color:var(--text-2); margin-top:6px; }
.kpi-icon { position:absolute; right:18px; top:18px; color:var(--text-3); opacity:0.4; }
.kpi-icon svg { width:22px; height:22px; }

/* ── Charts ── */
.chart-grid { display:grid; grid-template-columns:1fr; gap:20px; margin-bottom:24px; }
.chart-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
}
.chart-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px; border-bottom:1px solid var(--border);
  background:var(--bg-2);
}
.chart-title { font-family:var(--serif); font-size:1rem; font-weight:700; color:var(--text); }
.chart-body { padding:20px; position:relative; }
.chart-body canvas { max-height:340px; }

/* Category toggles */
.cat-toggle-group { display:flex; gap:6px; flex-wrap:wrap; }
.cat-toggle {
  padding:4px 12px; border-radius:20px;
  font-size:0.72rem; font-weight:600; cursor:pointer;
  border:1px solid transparent; transition:all 0.15s;
  background:var(--surface-2); color:var(--text-2);
}
.cat-toggle.active { color:#080808; border-color:transparent; }
.cat-toggle:hover { opacity:0.85; }

/* ── Two-column breakdown ── */
.breakdown-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:24px; }
.breakdown-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
}
.breakdown-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; border-bottom:1px solid var(--border);
  background:var(--bg-2);
}
.breakdown-title { font-family:var(--serif); font-size:0.95rem; font-weight:700; color:var(--text); }
.breakdown-kind { font-size:0.68rem; text-transform:uppercase; letter-spacing:0.1em; }
.breakdown-kind.income  { color:var(--green); }
.breakdown-kind.expense { color:var(--red); }
.breakdown-list { padding:12px 0; }
.breakdown-item {
  display:flex; align-items:center; gap:10px;
  padding:8px 18px; transition:background 0.12s;
}
.breakdown-item:hover { background:var(--amber-dim); }
.breakdown-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.breakdown-name { flex:1; font-size:0.85rem; color:var(--text); }
.breakdown-sub  { font-size:0.75rem; color:var(--text-2); }
.breakdown-amount { font-family:var(--mono); font-size:0.85rem; color:var(--text); font-weight:600; }
.breakdown-bar-wrap { flex:0 0 80px; height:4px; background:var(--bg-3); border-radius:2px; }
.breakdown-bar { height:100%; border-radius:2px; transition:width 0.4s ease; }

/* ── Tools bar (export) ── */
.tools-bar {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:18px 22px;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  margin-bottom:24px;
}
.tools-label { font-size:0.72rem; text-transform:uppercase; letter-spacing:0.12em; color:var(--text-2); white-space:nowrap; }
.date-range { display:flex; align-items:center; gap:8px; }
.date-range input[type=date] {
  background:var(--bg-3); border:1px solid var(--border); border-radius:var(--radius);
  padding:7px 11px; color:var(--text); font-size:0.82rem; font-family:var(--mono);
}
.date-range input[type=date]:focus { outline:none; border-color:var(--amber); }
.date-sep { color:var(--text-3); font-size:0.8rem; }

/* ── Table ── */
.table-wrap { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; font-size:0.84rem; }
.data-table thead tr { background:var(--bg-2); border-bottom:1px solid var(--border); }
.data-table thead th {
  padding:10px 14px; text-align:left;
  font-size:0.68rem; text-transform:uppercase; letter-spacing:0.12em;
  color:var(--text-2); font-weight:600; white-space:nowrap;
}
.data-table tbody tr { border-bottom:1px solid var(--border); transition:background 0.12s; }
.data-table tbody tr:last-child { border-bottom:none; }
.data-table tbody tr:hover { background:var(--amber-dim); }
.data-table tbody td { padding:11px 14px; color:var(--text); vertical-align:middle; }
.mono { font-family:var(--mono); }
.text-green { color:var(--green); }
.text-red   { color:var(--red); }
.text-amber { color:var(--amber); }
.text-muted { color:var(--text-2); }
.text-sm    { font-size:0.78rem; }

/* ── Kind badge ── */
.kind-badge {
  display:inline-block; padding:2px 8px; border-radius:20px;
  font-size:0.66rem; font-weight:700; text-transform:uppercase; letter-spacing:0.08em;
}
.kind-income  { background:var(--green-dim); color:var(--green); border:1px solid rgba(90,184,126,0.3); }
.kind-expense { background:var(--red-dim); color:var(--red); border:1px solid rgba(224,90,78,0.3); }

/* ── Forms / Fields ── */
.field-group { margin-bottom:14px; }
.field-row   { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.field-label {
  display:block; font-size:0.68rem; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--text-2); margin-bottom:5px; font-weight:600;
}
.field-input {
  width:100%; background:var(--bg-3); border:1px solid var(--border);
  border-radius:var(--radius); padding:9px 12px; color:var(--text);
  font-size:0.875rem; transition:border-color 0.15s; appearance:none;
}
.field-input:focus { outline:none; border-color:var(--amber); }
.field-input::placeholder { color:var(--text-3); }
.field-input option { background:var(--bg-3); }
.field-textarea { resize:vertical; line-height:1.5; min-height:72px; }

/* ── Cards ── */
.card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; margin-bottom:20px; }
.card-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px; border-bottom:1px solid var(--border); background:var(--bg-2);
}
.card-title { font-family:var(--serif); font-size:0.95rem; font-weight:700; color:var(--text); }
.card-body  { padding:20px; }

/* ── Modals ── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(8,8,8,0.82);
  backdrop-filter:blur(4px); display:flex; align-items:center;
  justify-content:center; z-index:1000; padding:20px;
}
.modal {
  background:var(--bg-2); border:1px solid var(--border-hi);
  border-radius:var(--radius-lg); padding:30px; max-width:500px;
  width:100%; box-shadow:0 20px 60px rgba(0,0,0,0.5);
  animation:modalIn 0.2s ease;
}
.modal-lg { max-width:680px; }
@keyframes modalIn { from{opacity:0;transform:translateY(12px) scale(0.98)} to{opacity:1;transform:none} }
.modal-title { font-family:var(--serif); font-size:1.3rem; font-weight:700; color:var(--text); margin-bottom:20px; }
.modal-actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:20px; }

/* ── Toast ── */
.toast-container { position:fixed; bottom:22px; right:22px; z-index:2000; display:flex; flex-direction:column; gap:8px; }
.toast {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:11px 15px; font-size:0.82rem; color:var(--text);
  min-width:200px; max-width:340px; box-shadow:var(--shadow);
  animation:toastIn 0.2s ease;
}
.toast-success { border-color:rgba(90,184,126,0.4); }
.toast-error   { border-color:rgba(224,90,78,0.4); }
@keyframes toastIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:none} }
@keyframes toastOut { to{opacity:0;transform:translateX(20px)} }

/* ── Action group ── */
.action-group { display:flex; gap:4px; align-items:center; }

/* ── Section ── */
.section-block { margin-bottom:28px; }
.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; gap:10px; }
.section-title { font-family:var(--serif); font-size:1.1rem; font-weight:700; color:var(--text); }

/* ── Year selector ── */
.year-selector {
  display:flex; align-items:center; gap:8px;
  background:var(--bg-3); border:1px solid var(--border);
  border-radius:var(--radius); padding:5px 10px;
}
.year-selector select {
  background:transparent; border:none; color:var(--text);
  font-family:var(--mono); font-size:0.9rem; cursor:pointer;
}
.year-selector select:focus { outline:none; }

/* ── Empty state ── */
.empty-state {
  text-align:center; padding:50px 20px;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  color:var(--text-2);
}
.empty-state svg { color:var(--text-3); }
.empty-state h3 { font-family:var(--serif); color:var(--text); font-size:1.1rem; }

/* ── Login ── */
.login-page {
  background:var(--bg); min-height:100vh;
  display:flex; align-items:center; justify-content:center; padding:20px;
}
.login-card {
  width:100%; max-width:380px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:36px 32px;
  box-shadow:0 20px 60px rgba(0,0,0,0.4);
}
.login-logo-wrap { display:flex; justify-content:center; margin-bottom:20px; }
.login-logo { height:36px; }
.login-title { font-family:var(--serif); font-size:1.5rem; font-weight:700; text-align:center; margin-bottom:4px; }
.login-sub   { color:var(--text-2); text-align:center; font-size:0.85rem; margin-bottom:24px; }
.login-error {
  background:var(--red-dim); border:1px solid rgba(224,90,78,0.3);
  color:#E8905A; border-radius:var(--radius); padding:10px 14px;
  font-size:0.82rem; margin-bottom:16px;
}

/* ── Tooltips ── */
[data-tip] { position:relative; }
[data-tip]::after {
  content:attr(data-tip); position:absolute; bottom:calc(100% + 7px);
  left:50%; transform:translateX(-50%) translateY(4px);
  background:#1F1F25; color:var(--text); font-size:0.7rem;
  white-space:nowrap; padding:5px 9px; border-radius:4px;
  border:1px solid var(--border-hi); pointer-events:none;
  opacity:0; transition:opacity 0.15s, transform 0.15s; z-index:999;
  box-shadow:0 4px 12px rgba(0,0,0,0.4);
}
[data-tip]:hover::after { opacity:1; transform:translateX(-50%) translateY(0); }

/* ── Upload area ── */
.upload-area {
  border:2px dashed var(--border-hi); border-radius:var(--radius);
  padding:18px; text-align:center; cursor:pointer;
  transition:border-color 0.15s, background 0.15s;
  color:var(--text-2); font-size:0.82rem;
}
.upload-area:hover { border-color:var(--amber); background:var(--amber-dim); color:var(--amber); }
.upload-area input { display:none; }

/* ── Responsive ── */
@media (max-width:1100px) { .kpi-grid { grid-template-columns:repeat(2, 1fr); } }
@media (max-width:900px)  { .breakdown-grid { grid-template-columns:1fr; } }

@media (max-width:720px) {
  .app-shell { grid-template-columns:1fr; }
  .sidebar {
    position:fixed; left:-240px; width:240px; top:0; height:100%;
    transition:left 0.25s ease; z-index:200;
    box-shadow:4px 0 30px rgba(0,0,0,0.5);
  }
  .sidebar.open { left:0; }
  .sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:190; }
  .sidebar-overlay.visible { display:block; }
  .topbar { grid-column:1; padding:0 16px; }
  .menu-toggle { display:flex; }
  .main-content { grid-column:1; padding:20px 16px 60px; }
  .kpi-grid { grid-template-columns:1fr 1fr; }
  .field-row { grid-template-columns:1fr; }
  .tools-bar { flex-direction:column; align-items:flex-start; }
  .date-range { flex-wrap:wrap; }
}
@media (max-width:480px) {
  .kpi-grid { grid-template-columns:1fr; }
  .page-header { flex-direction:column; }
  .btn-group { width:100%; }
}