/* =====================================================================
   Msaidizi wa Jumla — Light theme: White + Dark Blue
   Bootstrap is used for grid/layout only. Look & feel is custom below.
   ===================================================================== */

:root {
  --navy:      #0b2a5b;
  --navy-700:  #123a7a;
  --navy-600:  #1c4b99;
  --navy-100:  #dde7f6;
  --navy-50:   #f1f5fb;
  --white:     #ffffff;
  --ink:       #0f2347;
  --muted:     #6b7a96;
  --line:      #e3e9f3;
  --danger:    #b3261e;
  --radius:    12px;
  --sidebar-w: 252px;
  --shadow:    0 2px 12px rgba(11, 42, 91, .07);

  /* map Bootstrap tokens to the theme */
  --bs-primary: #0b2a5b;
  --bs-primary-rgb: 11, 42, 91;
  --bs-body-color: #0f2347;
  --bs-body-bg: #ffffff;
  --bs-border-color: #e3e9f3;
  --bs-link-color: #0b2a5b;
  --bs-link-hover-color: #123a7a;
  --bs-secondary-color: #6b7a96;
}

html { font-size: 15px; }
body {
  background: var(--navy-50);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h4, h5, h6 { color: var(--navy); font-weight: 650; }
h4 { font-size: 1.25rem; }
.text-muted, small.text-muted { color: var(--muted) !important; }
.text-primary { color: var(--navy) !important; }
.text-danger  { color: var(--danger) !important; }

/* ---------------------------------------------------------------- Shell */
.app-shell { min-height: 100vh; }

.app-sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--navy) 0%, #08214a 100%);
  color: #fff;
  display: flex; flex-direction: column;
  z-index: 1040;
  transition: transform .25s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .7rem;
  padding: 1.15rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-brand .logo {
  width: 42px; height: 42px; border-radius: 10px; overflow: hidden;
  background: #fff; color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex: 0 0 auto;
}
.sidebar-brand .logo img { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; display: block; }
.app-topbar .top-logo { height: 34px; width: 34px; object-fit: contain; border-radius: 8px; }
.login-logo { height: 84px; max-width: 100%; object-fit: contain; border-radius: 12px; }

/* Equal-height cards inside grid rows */
.row > [class*="col"] > .card { height: 100%; }

.sidebar-brand .name { font-weight: 650; font-size: 1rem; line-height: 1.2; }
.sidebar-brand .sub  { font-size: .72rem; opacity: .65; }

.sidebar-nav { flex: 1 1 auto; overflow-y: auto; padding: .9rem .75rem; display: flex; flex-direction: column; gap: .2rem; }
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: .75rem;
  width: 100%; text-align: left;
  background: transparent; border: 0;
  color: rgba(255,255,255,.78);
  font-size: .95rem; font-weight: 500;
  padding: .7rem .9rem;
  border-radius: 10px;
  transition: background .15s, color .15s;
}
.sidebar-nav .nav-link i { font-size: 1.1rem; width: 1.2rem; text-align: center; }
.sidebar-nav .nav-link:hover { background: rgba(255,255,255,.09); color: #fff; }
.sidebar-nav .nav-link.active { background: #fff; color: var(--navy); font-weight: 600; box-shadow: 0 2px 8px rgba(0,0,0,.15); }

.sidebar-user {
  padding: .9rem 1rem;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; gap: .7rem;
}
.sidebar-user .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.14);
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.sidebar-user .who { min-width: 0; flex: 1; }
.sidebar-user .who b { display: block; font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user .who span { font-size: .72rem; opacity: .65; }
.sidebar-user .logout {
  background: rgba(255,255,255,.1); color: #fff; border: 0;
  width: 34px; height: 34px; border-radius: 9px;
}
.sidebar-user .logout:hover { background: rgba(255,255,255,.2); }

.app-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(8, 25, 56, .5); z-index: 1035;
}
.app-body { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

.app-topbar {
  display: none;
  position: sticky; top: 0; z-index: 1030;
  align-items: center; gap: .75rem;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: .65rem .9rem;
}
.app-topbar .menu-btn {
  background: var(--navy); color: #fff; border: 0;
  width: 38px; height: 38px; border-radius: 10px; font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
}
.app-topbar .title { font-weight: 650; color: var(--navy); font-size: 1rem; }

.app-main { padding: 1.4rem 1.5rem 2rem; flex: 1; }

/* ---------------------------------------------------------------- Cards */
.card {
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow); border-radius: var(--radius);
}
.card-title { font-weight: 650; color: var(--navy); }

.kpi-value { font-size: 1.55rem; font-weight: 700; color: var(--navy); }
.kpi-label { color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }

/* -------------------------------------------------------------- Buttons */
.btn { border-radius: 9px; font-weight: 500; transition: all .15s; }
.btn:focus-visible { box-shadow: 0 0 0 .2rem rgba(11,42,91,.18); }

.btn-primary, .btn-success {
  --bs-btn-bg: var(--navy); --bs-btn-border-color: var(--navy); --bs-btn-color: #fff;
  --bs-btn-hover-bg: var(--navy-700); --bs-btn-hover-border-color: var(--navy-700); --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--navy-700); --bs-btn-active-border-color: var(--navy-700); --bs-btn-active-color: #fff;
  --bs-btn-disabled-bg: var(--navy); --bs-btn-disabled-border-color: var(--navy);
}
.btn-outline-primary, .btn-outline-secondary {
  --bs-btn-color: var(--navy); --bs-btn-border-color: #c9d6ec;
  --bs-btn-hover-bg: var(--navy); --bs-btn-hover-border-color: var(--navy); --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--navy); --bs-btn-active-border-color: var(--navy); --bs-btn-active-color: #fff;
  background: #fff;
}
.btn-secondary {
  --bs-btn-bg: var(--navy-100); --bs-btn-border-color: var(--navy-100); --bs-btn-color: var(--navy);
  --bs-btn-hover-bg: #cddcf2; --bs-btn-hover-border-color: #cddcf2; --bs-btn-hover-color: var(--navy);
  --bs-btn-active-bg: #cddcf2; --bs-btn-active-border-color: #cddcf2; --bs-btn-active-color: var(--navy);
}
.btn-outline-danger {
  --bs-btn-color: var(--danger); --bs-btn-border-color: #ecc9c6;
  --bs-btn-hover-bg: var(--danger); --bs-btn-hover-border-color: var(--danger); --bs-btn-hover-color: #fff;
  background: #fff;
}
.btn-xl { padding: .95rem 1.1rem; font-size: 1rem; border-radius: 11px; }
.btn-close:focus { box-shadow: none; }

/* --------------------------------------------------------------- Badges */
.badge { font-weight: 600; border-radius: 7px; padding: .38em .6em; }
.badge.bg-primary   { background: var(--navy) !important; }
.badge.bg-success   { background: var(--navy-100) !important; color: var(--navy) !important; }
.badge.bg-secondary { background: var(--navy-100) !important; color: var(--navy) !important; }
.badge.bg-danger    { background: #fde9e7 !important; color: var(--danger) !important; }

/* --------------------------------------------------------------- Tables */
.table { --bs-table-bg: transparent; --bs-table-border-color: var(--line); margin-bottom: 0; }
.table > thead.table-light,
.table > thead.table-light > tr > th {
  --bs-table-bg: var(--navy-50); --bs-table-color: var(--navy);
  background: var(--navy-50); color: var(--navy);
  font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 650;
  border-bottom: 1px solid var(--line);
}
.table > tbody > tr:hover > * { background: #f8fafd; }
table.table-tight th, table.table-tight td { padding: .6rem .7rem; vertical-align: middle; }
.cart-line td { vertical-align: middle; }
.cart-total { font-size: 1.3rem; font-weight: 700; color: var(--navy); }

/* ---------------------------------------------------------------- Forms */
.form-control, .form-select {
  border-color: #d3deef; border-radius: 9px; color: var(--ink); background-color: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--navy-600); box-shadow: 0 0 0 .2rem rgba(28,75,153,.14);
}
.form-label { font-weight: 550; color: var(--navy); font-size: .88rem; margin-bottom: .3rem; }
.form-check-input:checked { background-color: var(--navy); border-color: var(--navy); }

.list-group-item { border-color: var(--line); }
.list-group-item-action:hover { background: var(--navy-50); }

/* --------------------------------------------------------------- Modals */
.modal-content { border: 0; border-radius: 14px; box-shadow: 0 20px 60px rgba(11,42,91,.25); }
.modal-header { border-bottom: 1px solid var(--line); }
.modal-footer { border-top: 1px solid var(--line); }
.modal-title { color: var(--navy); font-weight: 650; }

/* SweetAlert */
.swal2-popup { border-radius: 14px !important; font-size: .95rem !important; }
.swal2-title { color: var(--navy) !important; }
.swal2-styled.swal2-confirm { background: var(--navy) !important; border-radius: 9px !important; box-shadow: none !important; }
.swal2-styled.swal2-cancel  { background: var(--navy-100) !important; color: var(--navy) !important; border-radius: 9px !important; }

/* ------------------------------------------------------------------ QR */
#qr-reader { width: 100%; border-radius: .8rem; overflow: hidden; }
.qr-box { display: flex; flex-direction: column; align-items: center; padding: 1rem; }
.qr-box img, .qr-box canvas { border-radius: .5rem; }

/* --------------------------------------------------------------- Login */
.login-body {
  background: linear-gradient(140deg, var(--navy-600), #071a3d);
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.login-card {
  background: #fff; padding: 2.2rem; border-radius: 1rem;
  width: 100%; max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-card .display-4 { color: var(--navy); }

/* ------------------------------------------------------------ Responsive */
@media (max-width: 991.98px) {
  .app-sidebar { transform: translateX(-100%); box-shadow: none; }
  .app-sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.35); }
  .app-overlay.show { display: block; }
  .app-body { margin-left: 0; }
  .app-topbar { display: flex; }
  .app-main { padding: 1rem .9rem 1.5rem; }
}

@media (max-width: 575.98px) {
  html { font-size: 13px; }
  h4 { font-size: 1.1rem; }
  .app-main { padding: .8rem .65rem 1.2rem; }
  .card.p-3 { padding: .8rem !important; }
  .kpi-value { font-size: 1.15rem; }
  .kpi-label { font-size: .66rem; }
  .btn-xl { padding: .75rem .9rem; font-size: .95rem; }
  .cart-total { font-size: 1.1rem; }
  table.table-tight th, table.table-tight td { padding: .45rem .45rem; }
  .login-card { padding: 1.5rem; }
  .modal-dialog { margin: .6rem; }
  .form-control-lg { font-size: 1rem; padding: .6rem .8rem; }
}