:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --danger: #dc2626;
  --warning: #d97706;
  --success: #16a34a;
  --secondary: #64748b;
  --bg: #f1f5f9;
  --surface: #ffffff;
  --text: #0f172a;
  --border: #e2e8f0;
  --sidebar-bg: #1e293b;
  --sidebar-text: #cbd5e1;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }

/* ---- Login/Setup ---- */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--surface); padding: 2.5rem; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.08); width: 380px; }
.login-brand { display: flex; align-items: center; gap: .5rem; margin-bottom: 1.5rem; }
.login-brand i { font-size: 1.75rem; color: var(--primary); }
.login-brand h1 { font-size: 1.25rem; margin: 0; }
.login-modulo { margin: -1rem 0 1rem; font-size: .8rem; color: var(--secondary); }
.login-footer { text-align: center; margin-top: 1rem; font-size: .75rem; color: var(--secondary); }

label { display: block; margin: .75rem 0 .25rem; font-size: .85rem; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 6px; font-size: .9rem;
}
.form-row { display: flex; gap: 1rem; }
.form-row > div { flex: 1; }
.form-panel { background: var(--surface); padding: 1.5rem; border-radius: 10px; max-width: 700px; }

.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1rem; border: none; border-radius: 6px; font-size: .9rem; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-block { width: 100%; justify-content: center; margin-top: 1rem; }
.btn-icon { background: none; border: none; cursor: pointer; color: var(--secondary); font-size: 1rem; text-decoration: none; }

.alert { padding: .6rem .9rem; border-radius: 6px; font-size: .85rem; margin-bottom: 1rem; }
.alert-danger { background: #fee2e2; color: var(--danger); }

/* ---- App shell ---- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; background: var(--sidebar-bg); color: var(--sidebar-text); flex-shrink: 0;
  display: flex; flex-direction: column; transition: transform .2s ease;
}
.sidebar-brand { display: flex; align-items: center; gap: .5rem; padding: 1.25rem 1.25rem 0; font-weight: 700; color: #fff; }
.sidebar-modulo { display: flex; align-items: center; gap: .4rem; padding: .25rem 1.25rem 1rem; font-size: .78rem; color: var(--sidebar-text); opacity: .8; }
.sidebar-nav { display: flex; flex-direction: column; padding: .5rem; }
.nav-link { color: var(--sidebar-text); text-decoration: none; padding: .65rem .9rem; border-radius: 6px; display: flex; gap: .6rem; align-items: center; font-size: .9rem; }
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.1); color: #fff; }
.sidebar-backdrop { display: none; }

.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; padding: .75rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-spacer { flex: 1; }
.topbar-user { display: flex; align-items: center; gap: .75rem; font-size: .9rem; }
.content { padding: 1.5rem; flex: 1; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.page-title { margin: 0 0 1rem; font-size: 1.4rem; }

.filter-bar { display: flex; gap: .6rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { width: auto; min-width: 160px; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--surface); border-radius: 10px; padding: 1rem; text-align: center; }
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .8rem; color: var(--secondary); text-transform: capitalize; }

.panels-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; align-items: start; }
.panel { background: var(--surface); border-radius: 10px; padding: 1.25rem; margin-bottom: 1.5rem; }
.panel h2 { margin-top: 0; font-size: 1.05rem; }

.table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: 10px; overflow: hidden; }
.table th, .table td { padding: .65rem .8rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .88rem; }
.table th { background: #f8fafc; font-weight: 600; }

.badge { display: inline-block; padding: .2rem .55rem; border-radius: 999px; font-size: .75rem; text-transform: capitalize; background: var(--border); }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-secondary { background: var(--border); color: var(--secondary); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-prioridade-baixa { background: #dbeafe; color: #1d4ed8; }
.badge-prioridade-media { background: #fef3c7; color: var(--warning); }
.badge-prioridade-alta { background: #ffedd5; color: #c2410c; }
.badge-prioridade-critica { background: #fee2e2; color: var(--danger); }
.badge-status-aberto { background: #dbeafe; color: #1d4ed8; }
.badge-status-em_atendimento { background: #fef3c7; color: var(--warning); }
.badge-status-aguardando_cliente { background: #ede9fe; color: #6d28d9; }
.badge-status-resolvido { background: #dcfce7; color: var(--success); }
.badge-status-fechado { background: var(--border); color: var(--secondary); }
.badge-status-cancelado { background: #fee2e2; color: var(--danger); }

.list-plain { list-style: none; padding: 0; margin: 0; font-size: .88rem; }
.list-plain li { padding: .4rem 0; border-bottom: 1px solid var(--border); }

.ticket-actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.inline-form select { width: auto; }
.comentarios { max-height: 400px; overflow-y: auto; margin-bottom: 1rem; }
.comentario { padding: .7rem; border-bottom: 1px solid var(--border); }
.comentario-interno { background: #fffbeb; }
.comentario-header { display: flex; gap: .6rem; align-items: center; font-size: .8rem; margin-bottom: .3rem; }
.comentario-data { color: var(--secondary); margin-left: auto; }

/* ---- Painel SaaS (super_admin) ---- */
.sas-topbar { display: flex; align-items: center; justify-content: space-between; padding: .9rem 1.5rem; background: var(--sidebar-bg); color: #fff; }
.sas-brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; }
.sas-brand span { font-weight: 400; font-size: .8rem; color: var(--sidebar-text); margin-left: .3rem; }
.sas-topbar .btn-icon { color: #fff; }
.sas-content { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

/* ---- Responsivo / drawer mobile ---- */
@media (max-width: 768px) {
  .sidebar { position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 99; }
  .panels-grid { grid-template-columns: 1fr; }
}