:root {
  --color-title: #072f6c;
  --color-text: #696969;
  --color-sidebar: #08253c;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-soft: #f5f7fa;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  font-family: Helvetica, Arial, sans-serif;
  background: var(--bg-soft);
  color: var(--color-text);
}

h1, h2, h3, h4, h5, h6, .title-color {
  color: var(--color-title);
  font-weight: 600;
}

a { text-decoration: none; }

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

.sidebar {
  width: 260px;
  background: var(--color-sidebar);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  transition: transform .25s ease;
  z-index: 1030;
}

.sidebar .brand {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar .brand .brand-logo {
  display: block;
  max-width: 170px;
  height: auto;
  background: #ffffff;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
}
.sidebar .brand strong { display:block; font-size: 1.15rem; letter-spacing: .5px; color:#fff; }
.sidebar .brand span { font-size: .75rem; color: rgba(255,255,255,.6); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 20px;
  color: rgba(255,255,255,.75);
  font-size: .92rem;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-nav a.active {
  background: rgba(255,255,255,.09);
  color: #fff;
  border-left-color: #ffffff;
  font-weight: 600;
}
.sidebar-nav a i { width: 18px; text-align: center; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 14px 20px;
}
.sidebar-footer .user-name { color:#fff; font-size:.9rem; font-weight:600; }
.sidebar-footer .user-role { color: rgba(255,255,255,.55); font-size:.75rem; }
.sidebar-footer a { color: rgba(255,255,255,.7); font-size: .85rem; }
.sidebar-footer a:hover { color:#fff; }

.main-content {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid #e9ecef;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 1020;
}
.topbar .search-box { flex: 1; max-width: 420px; }
.topbar .btn-toggle-sidebar { display: none; }

.page-body { padding: 24px; flex: 1; }

/* ---------- Cards ---------- */
.kpi-card {
  background: var(--bg-white);
  border: 1px solid #edf0f3;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  padding: 18px 20px;
  height: 100%;
}
.kpi-card .kpi-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft);
  color: var(--color-title);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.kpi-card .kpi-label { font-size: .8rem; color: var(--color-text); margin-bottom: 4px; }
.kpi-card .kpi-value { font-size: 1.7rem; font-weight: 700; color: var(--color-title); }
.kpi-card .kpi-delta { font-size: .78rem; color: #198754; }

.card-panel {
  background: var(--bg-white);
  border: 1px solid #edf0f3;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  padding: 20px;
}
.card-panel.chart-panel {
  padding: 10px;
}

/* ---------- Kanban ---------- */
.kanban-board { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 12px; }
.kanban-col { min-width: 260px; background: #eef1f5; border-radius: var(--radius); padding: 10px; flex-shrink: 0; }
.kanban-col-header { font-size: .82rem; font-weight: 700; color: var(--color-title); padding: 6px 8px 10px; }
.kanban-card {
  background: #fff; border-radius: 10px; padding: 12px; margin-bottom: 10px;
  box-shadow: 0 1px 2px rgba(0,0,0,.08); cursor: grab;
}
.kanban-card .num { font-weight: 700; color: var(--color-title); font-size: .85rem; }

/* ---------- Auth ---------- */
.auth-wrapper {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--color-sidebar);
}
.auth-card {
  background: #fff; border-radius: 16px; padding: 40px; width: 100%; max-width: 400px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .topbar .btn-toggle-sidebar { display: inline-flex; }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 1025;
  }
  .sidebar-backdrop.show { display: block; }
}

@media (max-width: 576px) {
  .page-body { padding: 14px; }
  .topbar { padding: 10px 14px; }
}

.table-responsive-cards th { color: var(--color-title); font-size: .78rem; text-transform: uppercase; }