/* ========================================================
   Vending BRB — Tema Black Ring (Premium + Responsive)
   ======================================================== */
:root{
  --brb-black:#0a0a0a;
  --brb-black-2:#141414;
  --brb-ink:#1f1f1f;
  --brb-gold:#d4af37;
  --brb-gold-soft:#f0d66b;
  --brb-gold-deep:#a8861c;
  --brb-muted:#6b7280;
  --brb-border:#e5e7eb;
  --brb-surface:#ffffff;
  --brb-surface-2:#f8f9fa;
  --brb-bg:#f3f4f6;
  --brb-red:#dc3545;
  --brb-red-soft:#fde8ea;
  --brb-green:#16a34a;
  --brb-green-soft:#dcfce7;
  --brb-amber:#d97706;
  --brb-amber-soft:#fef3c7;
  --brb-blue:#1d4ed8;
  --brb-blue-soft:#dbeafe;
  --shadow-sm: 0 1px 2px rgba(10,10,10,.05);
  --shadow: 0 2px 8px rgba(10,10,10,.06), 0 1px 2px rgba(10,10,10,.04);
  --shadow-lg: 0 10px 30px rgba(10,10,10,.12), 0 4px 8px rgba(10,10,10,.05);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 240px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--brb-bg);
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;
  color: #111827;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
#app { min-height: 100vh; display: flex; flex-direction: column; }

/* Utilidades brand */
.bg-brb { background: var(--brb-black); color:#fff; }
.text-gold { color: var(--brb-gold) !important; }
.border-gold { border-color: var(--brb-gold) !important; }
.btn-gold { background: var(--brb-gold); color:#000; border:1px solid var(--brb-gold); font-weight:600; }
.btn-gold:hover { background: var(--brb-gold-soft); color:#000; border-color: var(--brb-gold-soft); }
.btn-gold:focus { box-shadow: 0 0 0 .2rem rgba(212,175,55,.35); }
.brb-brand { font-weight: 800; letter-spacing: .3px; }
.brb-brand .dot { color: var(--brb-gold); padding: 0 2px; }

/* ========== LOGIN ========== */
.login-bg {
  min-height: 100vh;
  background: radial-gradient(circle at 30% 20%, #1f1f1f 0%, #0a0a0a 60%), var(--brb-black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.login-card .logo {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #000 0%, #2a2a2a 100%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  border: 1px solid var(--brb-gold);
}
.login-card .logo span { color: var(--brb-gold); font-weight: 800; font-size: 28px; }
.login-card .form-control:focus { border-color: var(--brb-gold); box-shadow: 0 0 0 .2rem rgba(212,175,55,.2); }

/* ========== LAYOUT PRINCIPAL ========== */
.layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, #0a0a0a 0%, #141414 100%);
  color: #e8e8e8;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  border-right: 1px solid #1f1f1f;
}
.sidebar .brand {
  padding: 20px 22px 16px;
  border-bottom: 1px solid #2a2a2a;
  font-size: 1.15rem;
  color: #fff;
}
.sidebar nav { flex: 1; padding: 10px 0; }
.sidebar a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 22px;
  color: #c5c5c5;
  text-decoration: none;
  font-size: .92rem;
  border-left: 3px solid transparent;
  transition: all .15s ease;
}
.sidebar a:hover { background: #1c1c1c; color:#fff; }
.sidebar a.active {
  background: #1c1c1c;
  color: var(--brb-gold);
  border-left-color: var(--brb-gold);
  font-weight: 600;
}
.sidebar a i { width: 20px; text-align: center; font-size: 1rem; flex-shrink: 0; }
.sidebar .user {
  padding: 14px 20px;
  border-top: 1px solid #2a2a2a;
  font-size: .85rem;
  color: #9a9a9a;
  background: #0a0a0a;
}
.sidebar .user .fw-bold { color: #fff; margin-bottom: 2px; }
.sidebar .user > div:nth-child(2) { word-break: break-all; }

/* Overlay para sidebar móvil */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.sidebar-overlay.show { opacity: 1; pointer-events: auto; }

/* ========== MAIN ========== */
.main {
  flex: 1;
  min-width: 0;
  padding: 24px 28px 40px;
  max-width: 100%;
}

/* ========== TOPBAR ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.topbar h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  color: #111;
}
.topbar .actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.topbar .actions .form-control { max-width: 160px; }

.mobile-toggle { display: none !important; }

/* ========== KPI ========== */
.kpi {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--brb-border);
  height: 100%;
  min-width: 0;
  position: relative;
  overflow: hidden;
}
.kpi .label {
  color: var(--brb-muted);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  font-weight: 600;
  margin-bottom: 6px;
}
.kpi .value {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: #111;
  letter-spacing: -.02em;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.kpi .sub {
  font-size: .78rem;
  color: var(--brb-muted);
  margin-top: 4px;
}
.kpi.negative .value { color: var(--brb-red); }
.kpi.positive .value { color: var(--brb-green); }
.kpi::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--brb-gold);
  opacity: .85;
}
.kpi.negative::before { background: var(--brb-red); }
.kpi.positive::before { background: var(--brb-green); }

/* ========== CARDS ========== */
.card-brb {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--brb-border);
  padding: 18px;
  height: 100%;
}
.card-brb h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 14px;
  color: #111;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-brb h3 i { color: var(--brb-gold); }
a.card-brb { transition: transform .15s ease, box-shadow .15s ease; }
a.card-brb:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ========== TABLAS ========== */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: -4px;
  padding: 4px;
}
table.brb {
  width: 100%;
  font-size: .9rem;
  border-collapse: collapse;
  background: transparent;
}
table.brb th {
  background: var(--brb-surface-2);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: #4b5563;
  font-weight: 700;
  border-bottom: 2px solid var(--brb-border);
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}
table.brb td {
  padding: 11px 12px;
  border-bottom: 1px solid #f1f2f4;
  vertical-align: middle;
}
table.brb tbody tr:hover td { background: #fcfcfd; }
table.brb td .small { font-size: .78rem; }

/* Badges de estado */
.badge-estado {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  white-space: nowrap;
}
.badge-estado.programado { background: var(--brb-blue-soft); color: var(--brb-blue); }
.badge-estado.en_curso { background: var(--brb-amber-soft); color: var(--brb-amber); }
.badge-estado.completado { background: var(--brb-green-soft); color: var(--brb-green); }
.badge-estado.cancelado { background: var(--brb-red-soft); color: var(--brb-red); }

.num-neg { color: var(--brb-red); font-weight: 600; }
.num-pos { color: var(--brb-green); font-weight: 600; }

/* ========== FORMS ========== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 4px;
}
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid #d1d5db;
  font-size: .92rem;
  padding: 8px 12px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brb-gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,.18);
}

/* Modal */
.modal-content { border-radius: var(--radius); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--brb-border); padding: 16px 20px; }
.modal-footer { border-top: 1px solid var(--brb-border); padding: 12px 20px; }

/* Empty state */
.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--brb-muted);
}
.empty i {
  font-size: 3rem;
  color: #d1d5db;
  display: block;
  margin-bottom: 12px;
}

/* ========== BOTONES ========== */
.btn { border-radius: var(--radius-sm); font-weight: 500; }
.btn-sm { font-size: .82rem; padding: .3rem .65rem; }
.btn-outline-dark { border-color: #d1d5db; color: #374151; }
.btn-outline-dark:hover { background: #111; border-color: #111; color: #fff; }

/* ========== MODAL HACK: z-index sobre sidebar ========== */
.modal { z-index: 1060; }
.modal-backdrop { z-index: 1055; }

/* ========== RESPONSIVE ========== */
@media (max-width: 992px){
  .main { padding: 20px 20px 40px; }
  .kpi .value { font-size: 1.35rem; }
}

@media (max-width: 768px){
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,.25);
  }
  .sidebar.show { transform: translateX(0); }
  .main { padding: 16px 16px 32px; width: 100%; }
  .mobile-toggle { display: inline-flex !important; }
  .topbar h1 { font-size: 1.2rem; }
  .topbar .actions { width: 100%; justify-content: flex-start; }
  .topbar .actions .form-control { max-width: 140px; }
  .kpi { padding: 14px; }
  .kpi .value { font-size: 1.25rem; }
  .kpi .label { font-size: .68rem; }
  .card-brb { padding: 14px; }
  table.brb { font-size: .85rem; }
  table.brb th, table.brb td { padding: 8px 10px; }
  .modal-dialog { margin: 10px; }
}

@media (max-width: 480px){
  .main { padding: 14px 12px 28px; }
  .topbar { gap: 8px; margin-bottom: 16px; }
  .topbar h1 { font-size: 1.1rem; }
  .kpi .value { font-size: 1.15rem; }
  .form-grid { grid-template-columns: 1fr; gap: 12px; }
  .login-card { padding: 28px 22px; }
}

/* Fix Bootstrap row overflow inside main */
.main .row { margin-right: 0; margin-left: 0; }
.main .row > * { padding-left: .5rem; padding-right: .5rem; }
.main .row.g-3 { --bs-gutter-x: 1rem; }

/* Scrollbar sutil */
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 3px; }
.table-responsive::-webkit-scrollbar { height: 8px; }
.table-responsive::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }