/* KC Cloud ERP ? Web UI (KC FoilPrint?style top menu) */
:root {
  --primary: #143246;
  --primary-light: #1e4a66;
  --accent: #0f5c4c;
  --masters: #3b82f6;
  --transactions: #10b981;
  --reports: #8b5cf6;
  --billing: #f59e0b;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #1e293b;
  --ink: #1a3a4a;
  --muted: #64748b;
  --border: #e2e8f0;
  --line: #d0d8e0;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ?? Top navigation (FoilPrint layout) ?? */
.app-shell-topnav {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  background: linear-gradient(180deg, #0d1d29 0%, #143246 100%);
  color: #d7e2ec;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid #0a1620;
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav-brand .brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: 280px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.top-nav-brand .brand-logo-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 6px;
  border-radius: 4px;
  background: #e8f2ef;
  color: #0f5c4c;
  font-weight: 800;
  font-size: 0.78rem;
  border: 1px solid rgba(255,255,255,0.35);
}
.top-nav-brand .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}
.top-nav-brand .brand-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 1.05rem;
}
.top-nav-brand small { display: block; color: #9db0bf; font-size: 0.72rem; font-weight: 500; }

.top-menu { display: flex; align-items: center; gap: 0.25rem; flex: 1; flex-wrap: wrap; }
.top-menu-item { position: relative; }
.top-menu-btn, .top-menu-link {
  background: transparent;
  border: none;
  color: #d7e2ec;
  font: inherit;
  padding: 0.45rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}
.top-menu-btn:hover, .top-menu-link:hover,
.top-menu-item.open .top-menu-btn,
.top-menu-btn.active, .top-menu-link.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.top-submenu {
  display: none !important;
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 240px;
  max-height: 70vh;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(16,36,51,0.18);
  padding: 0.35rem;
  z-index: 200;
}
.top-submenu-grouped {
  min-width: 420px;
  max-width: 560px;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 0.85rem;
  padding: 0.5rem 0.45rem;
}
.top-menu-item.open > .top-submenu {
  display: block !important;
}
.top-menu-item.open > .top-submenu-grouped {
  display: grid !important;
}
.tx-group { margin: 0; padding-bottom: 0.25rem; }
.top-submenu .tx-group-title,
.tx-group-title {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #000;
  background: #e8eef3;
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
  border-left: 4px solid #111;
  margin: 0.35rem 0 0.25rem;
  line-height: 1.3;
}
.top-submenu a {
  display: block;
  padding: 0.45rem 0.65rem;
  color: var(--ink);
  text-decoration: none;
  border-radius: 5px;
  font-size: 0.88rem;
}
.top-submenu a:hover { background: #eef5f2; color: var(--accent); }
/* open state handled above with !important */

.top-nav-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #9db0bf;
  font-size: 0.8rem;
}
.main-full { width: 100%; margin-left: 0; flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar-simple {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 1.5rem;
}
.topbar-simple h2 { font-size: 1.25rem; font-weight: 600; color: var(--primary); }

.nav-toggle {
  display: none;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

@media (max-width: 900px) {
  .top-nav { gap: 0.5rem; }
  .nav-toggle { display: inline-block; order: 3; margin-left: auto; }
  .top-nav-brand { order: 1; }
  .top-nav-user { order: 2; margin-left: 0; }
  .top-menu {
    order: 4;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: #0d1d29;
    padding: 0.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .top-menu.nav-open { display: flex; }
  .top-submenu, .top-submenu-grouped {
    position: static;
    min-width: 0;
    max-width: none;
    grid-template-columns: 1fr;
    box-shadow: none;
    border: none;
    background: #122536;
    display: none !important;
  }
  .top-menu-item.open > .top-submenu { display: block !important; }
  .top-menu-item.open > .top-submenu-grouped { display: grid !important; }
  .top-submenu a { color: #d7e2ec; }
  .top-submenu a:hover { background: rgba(255,255,255,0.08); color: #fff; }
  .top-submenu .tx-group-title { background: #1a3a4a; color: #9db0bf; border-left-color: #3d8b7a; }
}

.content { padding: 1.5rem; flex: 1; }

.flash-wrap { padding: 0 1.5rem; margin-top: 0.75rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.flash-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.flash-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.flash-info { background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }
.flash-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}
.stat-card.blue { border-top-color: var(--masters); }
.stat-card.green { border-top-color: var(--transactions); }
.stat-card.purple { border-top-color: var(--reports); }
.stat-card.amber { border-top-color: var(--billing); }
.stat-card.red { border-top-color: var(--danger); }
.stat-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--primary); margin-top: 0.25rem; }
.stat-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.card-header {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-header.masters { background: linear-gradient(90deg, #eff6ff, #fff); color: var(--masters); }
.card-header.transactions { background: linear-gradient(90deg, #ecfdf5, #fff); color: #047857; }
.card-header.reports { background: linear-gradient(90deg, #f5f3ff, #fff); color: #6d28d9; }
.card-header.billing { background: linear-gradient(90deg, #fffbeb, #fff); color: #b45309; }
.card-header.system { background: linear-gradient(90deg, #f8fafc, #fff); color: #475569; }
.card-body { padding: 1.25rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.15s, transform 0.1s;
}
.btn:hover { filter: brightness(1.05); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--billing); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  background: var(--primary);
  color: #fff;
  text-align: left;
  padding: 0.65rem 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}
.data-table td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: #f8fafc; }
.data-table tbody tr:nth-child(even) { background: #fafbfc; }
.data-table tbody tr:nth-child(even):hover { background: #f1f5f9; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-muted { background: #f1f5f9; color: #475569; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 92, 76, 0.15);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}
.filter-bar .form-group { margin: 0; min-width: 160px; }

.report-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.report-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: var(--card);
  transition: box-shadow 0.2s;
}
.report-card:hover { box-shadow: var(--shadow); }
.report-card h3 { font-size: 1rem; margin-bottom: 0.35rem; color: var(--primary); }
.report-card p { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.75rem; }
.report-card .tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--reports);
  margin-bottom: 0.5rem;
  display: block;
}

/* Excel-style service sheets */
.sheet-table .sheet-th {
  background: #ffff00 !important;
  color: #111 !important;
  font-weight: 700;
  white-space: nowrap;
}
.sheet-table .sheet-th-renewal,
.sheet-table td.sheet-renewal {
  background: #92d050 !important;
}
.sheet-table td.sheet-user {
  background: #c6efce !important;
}
.sheet-group-row td {
  background: #d9e2f3 !important;
  font-size: 0.95rem;
  padding: 0.55rem 0.75rem;
}
.sheet-excel .data-table { font-size: 0.85rem; }

/* Daybook T-layout */
.daybook-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
.daybook-side {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.daybook-side-title {
  font-weight: 700;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
}
.daybook-income .daybook-side-title {
  background: #dcfce7;
  color: #166534;
  border-bottom: 1px solid #bbf7d0;
}
.daybook-expense .daybook-side-title {
  background: #fee2e2;
  color: #991b1b;
  border-bottom: 1px solid #fecaca;
}
.daybook-side .num { text-align: right; white-space: nowrap; }
.daybook-side tfoot td {
  background: #f8fafc;
  border-top: 2px solid var(--border);
}
@media (max-width: 960px) {
  .daybook-grid { grid-template-columns: 1fr; }
}

.empty-state {
  text-align: center;
  padding: 2.5rem;
  color: var(--muted);
}
.empty-state p { margin-top: 0.5rem; }

code { background: #eef2f6; padding: 0.1rem 0.35rem; border-radius: 4px; font-size: 0.85em; }

/* ?? Login ?? */
.login-page {
  min-height: 100vh;
  background: linear-gradient(160deg, #0d1d29 0%, #1a3a4a 45%, #0f5c4c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-shell { width: 100%; max-width: 420px; }
.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 16px 40px rgba(0,0,0,0.28);
}
.login-brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
.login-brand h1 { font-size: 1.25rem; color: var(--primary); margin: 0; }
.login-brand p { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.85rem; }
.login-form .form-group { margin-bottom: 0.9rem; }
.login-hint {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ?? UX extras ?? */
.form-section-title {
  color: var(--masters);
  margin: 1.25rem 0 0.75rem;
  font-size: 0.95rem;
}
.yesno-toggle { display: flex; gap: 1rem; align-items: center; padding-top: 0.35rem; }
.yesno-toggle label { font-weight: 500; color: var(--text); }
.check-wrap { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}
.chart-card .card-body { height: 260px; }
.dash-bottom {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
}
.import-inline { display: inline-flex; gap: 0.35rem; align-items: center; flex-wrap: wrap; }
.file-sm { max-width: 160px; font-size: 0.75rem; }
input.date-dmy, .flatpickr-input { cursor: pointer; background: #fff; }

/* ?? Mobile ?? */
@media (max-width: 900px) {
  .content { padding: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
  .stat-value { font-size: 1.35rem; }
  .charts-grid, .dash-bottom,
  div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .form-grid { grid-template-columns: 1fr; }
  .topbar-simple { padding: 0.75rem 1rem; }
  .topbar-simple h2 { font-size: 1.05rem; }
  .btn { min-height: 40px; }
  .data-table { font-size: 0.8rem; }
  .card-header { flex-wrap: wrap; }
  .btn-group { width: 100%; }
  .import-inline { width: 100%; }
  .file-sm { max-width: 100%; }
}
@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .top-nav-brand .brand-name { font-size: 0.95rem; }
  .top-nav-user .user-meta { display: none; }
}