@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0b1526;
  --card-bg: #121e35;
  --card-bg2: #16233d;
  --border-c: #223252;
  --navy: #0f2a52;
  --navy2: #16407f;
  --blue: #2e6bdb;
  --blue-light: #4a86f0;
  --sky: #16233d;
  --gold: #f5b942;
  --ink: #e9edf6;
  --sub: #8a97b3;
  --card-radius: 14px;
  --card-shadow: 0 10px 26px -16px rgba(0,0,0,.6);
  --card-border: 1px solid var(--border-c);
}

body {
  background: var(--bg);
  font-family: 'Plus Jakarta Sans', 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--ink);
}

.sidebar {
  width: 250px;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy2) 55%, var(--blue) 130%);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1030;
  transition: margin-left .2s ease-in-out;
}
.sidebar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(255,255,255,.08), transparent 55%);
  pointer-events: none;
}
.sidebar .brand {
  color: #fff; font-weight: 800; font-size: 1.05rem;
  padding: 1.3rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,.12);
  position: relative; z-index: 1; letter-spacing: .2px;
  display: flex; align-items: center; gap: 10px;
}
.sidebar .brand img { border-radius: 8px; }
.sidebar .nav-link {
  color: rgba(255,255,255,.7); padding: .62rem 1.2rem; font-size: .84rem; font-weight: 500;
  border-left: none; position: relative; z-index: 1;
  border-radius: 0 20px 20px 0; margin-right: 14px; transition: .15s;
}
.sidebar .nav-link i { width: 22px; }
.sidebar .nav-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar .nav-link.active { background: rgba(255,255,255,.14); color: #fff; font-weight: 600; }
.sidebar .nav-link.active i { color: var(--gold); }
.sidebar .nav-header {
  color: rgba(255,255,255,.42); font-size: .66rem; text-transform: uppercase;
  padding: 1rem 1.2rem .3rem; letter-spacing: .09em; font-weight: 700; position: relative; z-index: 1;
}
@media (max-width: 991.98px) {
  .sidebar { margin-left: -250px; }
  .sidebar.show { margin-left: 0; }
}

.content-wrapper { margin-left: 250px; min-height: 100vh; background: var(--bg); }
@media (max-width: 991.98px) { .content-wrapper { margin-left: 0; } }

.topbar {
  background: var(--card-bg); border-bottom: 1px solid var(--border-c);
  padding: .85rem 1.4rem; position: sticky; top: 0; z-index: 1020;
}
.topbar h5, .topbar .text-navy { color: var(--ink) !important; }
.topbar .btn-light { background: var(--card-bg2); color: var(--ink); border: 1px solid var(--border-c); }
.topbar .btn-light:hover { background: var(--border-c); color: #fff; }
.topbar .dropdown-menu { background: var(--card-bg2); border: 1px solid var(--border-c); }
.topbar .dropdown-item { color: var(--ink); }
.topbar .dropdown-item:hover { background: var(--border-c); color: #fff; }
.topbar .dropdown-divider { border-color: var(--border-c); }

.kpi-card {
  background: var(--card-bg); border-radius: var(--card-radius);
  border: var(--card-border); border-left: 4px solid var(--accent, var(--blue));
  padding: 1.1rem 1.2rem; box-shadow: var(--card-shadow);
  display: flex; flex-direction: column; gap: .35rem;
}
.kpi-card.d-flex.align-items-center {
  flex-direction: row-reverse;
  justify-content: space-between;
  padding: .9rem 1rem;
  gap: 12px;
}
.kpi-card .kpi-label { color: var(--sub); font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.kpi-card .kpi-value { font-size: 1.5rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.kpi-card .kpi-sub { color: var(--sub); font-size: .68rem; margin-top: 2px; }
.kpi-card .kpi-icon {
  width: 42px; height: 42px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; font-size: 1rem; color: #fff; flex-shrink: 0;
  box-shadow: 0 6px 14px -6px rgba(0,0,0,.5);
}

.card-panel { background: var(--card-bg); border-radius: var(--card-radius); border: var(--card-border); box-shadow: var(--card-shadow); overflow: hidden; }
.card-panel .card-panel-header {
  background: var(--card-bg); color: var(--ink); padding: .9rem 1.2rem;
  font-weight: 700; font-size: .88rem; border-bottom: 1px solid var(--border-c);
  display: flex; align-items: center; gap: 8px;
}
.card-panel .card-panel-header i { color: var(--gold); }

.badge-status-active { background: rgba(26,138,74,.18); color: #4fd88a; border-radius: 20px; font-weight: 700; }
.badge-status-suspended { background: rgba(176,116,26,.2); color: #f5c469; border-radius: 20px; font-weight: 700; }
.badge-status-closed { background: rgba(194,59,40,.2); color: #f28777; border-radius: 20px; font-weight: 700; }
.badge-status-paid { background: rgba(26,138,74,.18); color: #4fd88a; border-radius: 20px; font-weight: 700; }
.badge-status-unpaid { background: rgba(194,59,40,.2); color: #f28777; border-radius: 20px; font-weight: 700; }
.badge-status-partial { background: rgba(176,116,26,.2); color: #f5c469; border-radius: 20px; font-weight: 700; }
.badge-status-advance { background: var(--sky); color: #8fb4f5; border-radius: 20px; font-weight: 700; }
.badge-status-waived { background: var(--card-bg2); color: var(--sub); border-radius: 20px; font-weight: 700; }
.badge { border-radius: 20px; font-weight: 700; }
.badge.bg-light { background: var(--card-bg2) !important; color: var(--ink) !important; }

.table { color: var(--ink); }
.table thead th {
  background: var(--card-bg2); color: var(--sub); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .03em; font-weight: 700; border-bottom: none; padding: .65rem .9rem;
}
.table td, .table th { vertical-align: middle; font-size: .85rem; padding: .65rem .9rem; color: var(--ink); border-color: var(--border-c); }
.table tbody tr { border-bottom: 1px solid var(--border-c); }
.table-hover tbody tr:hover { background: rgba(255,255,255,.03); color: var(--ink); }
.table > :not(caption) > * > * { background: transparent; }

.btn { border-radius: 10px; font-weight: 600; font-size: .85rem; }
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--blue-light)); border: none; box-shadow: 0 6px 16px -8px rgba(46,107,219,.6); }
.btn-primary:hover { background: linear-gradient(135deg, var(--navy2), var(--blue)); }
.btn-success { background: linear-gradient(135deg, #1a9e5c, #37c27c); border: none; }
.btn-danger, .btn-outline-danger:hover { background: linear-gradient(135deg, #d9432d, #e8654a); border-color: transparent; }
.btn-outline-primary { border-color: var(--blue); color: var(--blue-light); }
.btn-outline-primary:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-outline-secondary { border-color: var(--border-c); color: var(--ink); }

.form-control, .form-select { background: var(--card-bg2); border-radius: 10px; border-color: var(--border-c); font-size: .88rem; color: var(--ink); }
.form-control:focus, .form-select:focus { background: var(--card-bg2); color: var(--ink); border-color: var(--blue); box-shadow: 0 0 0 .2rem rgba(46,107,219,.15); }
.form-control::placeholder { color: var(--sub); }
.form-label { font-weight: 600; color: var(--ink); font-size: .78rem; }

.alert { border: 1px solid var(--border-c); }
.alert-success { background: rgba(26,138,74,.14); color: #4fd88a; }
.alert-info { background: rgba(46,107,219,.14); color: #8fb4f5; }
.alert-warning { background: rgba(176,116,26,.16); color: #f5c469; }
.alert-danger { background: rgba(194,59,40,.16); color: #f28777; }

.login-wrapper {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy2) 55%, var(--blue) 130%);
  font-family: 'Plus Jakarta Sans', 'Segoe UI', Roboto, Arial, sans-serif;
}
.login-card { max-width: 400px; width: 100%; border-radius: 20px; overflow: hidden; box-shadow: 0 30px 60px -20px rgba(0,0,0,.5); background: var(--card-bg); color: var(--ink); }

.avatar-circle {
  width: 32px; height: 32px; border-radius: 10px; display: inline-flex;
  align-items: center; justify-content: center; font-size: .74rem; font-weight: 800;
  color: #fff; flex-shrink: 0; background: linear-gradient(135deg, var(--navy2), var(--blue));
}

.icon-btn {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--card-bg2); border: 1px solid var(--border-c);
  color: var(--sub); font-size: .9rem; cursor: pointer; transition: .15s;
  text-decoration: none;
}
.icon-btn:hover { background: var(--border-c); color: var(--ink); }
.icon-btn.theme-toggle { color: var(--gold); }

.topbar-brand-box {
  display: flex; align-items: center; gap: 10px;
}
.topbar-brand-box .brand-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), #f7d488);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-size: 1.1rem; flex-shrink: 0;
}
.topbar-brand-box .brand-name { font-weight: 800; color: var(--ink); font-size: .95rem; line-height: 1.2; }
.topbar-brand-box .role-badge {
  display: inline-block; margin-top: 2px; font-size: .62rem; font-weight: 700;
  padding: 2px 8px; border-radius: 20px; background: var(--sky); color: #8fb4f5;
  text-transform: uppercase; letter-spacing: .04em;
}

/* ===== Light theme override ===== */
html.light-theme {
  --bg: #f3f6fb;
  --card-bg: #ffffff;
  --card-bg2: #f7f9fd;
  --border-c: #eef1f7;
  --ink: #1a2334;
  --sub: #6b7688;
  --sky: #e8f1ff;
  --card-shadow: 0 8px 24px -14px rgba(15, 42, 82, .18);
}
html.light-theme .badge-status-active,
html.light-theme .badge-status-paid { background: #e5f6ec; color: #1a8a4a; }
html.light-theme .badge-status-suspended,
html.light-theme .badge-status-partial { background: #fef3dd; color: #b0741a; }
html.light-theme .badge-status-closed,
html.light-theme .badge-status-unpaid { background: #fdeceb; color: #c23b28; }
html.light-theme .badge-status-advance { background: var(--sky); color: var(--navy2); }
html.light-theme .badge-status-waived { background: #f0f1f4; color: #555; }
html.light-theme .alert-success { background: #e5f6ec; color: #1a8a4a; }
html.light-theme .alert-info { background: #e8f1ff; color: var(--navy2); }
html.light-theme .alert-warning { background: #fef3dd; color: #b0741a; }
html.light-theme .alert-danger { background: #fdeceb; color: #c23b28; }

.quick-actions-bar {
  background: #0e1526 !important;
  border-color: #223252 !important;
}
.quick-actions-bar .qa-label { color: rgba(255,255,255,.6) !important; }
.quick-actions-bar .icon-btn {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
  color: rgba(255,255,255,.75);
}
.quick-actions-bar .icon-btn:hover { background: rgba(255,255,255,.14); color: #fff; }
.quick-actions-bar .period-badge {
  background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.15);
  border-radius: 8px; padding: 4px 10px; font-size: .72rem; font-weight: 600;
}

.avatar-box {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--navy2));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .8rem; flex-shrink: 0; text-transform: uppercase;
}
.topbar-user-name { font-weight: 700; color: var(--ink); font-size: .82rem; line-height: 1.2; }
.topbar-user-email { color: var(--sub); font-size: .68rem; }
.topbar-divider { width: 1px; height: 26px; background: var(--border-c); }

.topbar { position: relative; overflow: hidden; }
.topbar::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(245,185,66,.10), rgba(124,92,240,.10) 45%, rgba(46,107,219,.10));
  pointer-events: none;
}
html.light-theme .topbar::before {
  background: linear-gradient(120deg, rgba(255,236,210,.9), rgba(240,225,250,.7) 45%, rgba(220,235,255,.9));
}
.topbar > * { position: relative; z-index: 1; }

.limit-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px; font-size: .68rem; font-weight: 700;
}
.limit-badge.limit-users { background: rgba(124,92,240,.18); color: #b2a0f7; }
.limit-badge.limit-customers { background: rgba(245,185,66,.18); color: #f5b942; }
html.light-theme .limit-badge.limit-users { background: #ece7fc; color: #6d4fd6; }
html.light-theme .limit-badge.limit-customers { background: #fdf0dc; color: #b0741a; }