/* =========================================================
   QR MIX PRO — Design System
   ========================================================= */
:root {
  --primary: #5A67D8;
  --primary-dark: #434190;
  --secondary: #8A5CF6;
  --bg-main: #F5F6FA;
  --bg-panel: #FFFFFF;
  --text-dark: #1F2430;
  --text-light: #6B7280;
  --border: #E5E7EB;
  --success: #10B981;
  --success-bg: #ECFDF5;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --info-bg: #EFF6FF;
  --info: #2563EB;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 10px 25px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }

.img-responsiva { width: 100%; max-width: 160px; height: auto; }

/* ---------- Auth pages (login/cadastro) ---------- */
.auth-shell {
  display: flex; justify-content: center; align-items: center;
  min-height: 100vh; padding: 24px;
}
.auth-container {
  background: var(--bg-panel); padding: 36px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 410px;
}
.auth-container h1 { text-align: center; margin: 12px 0 4px; font-size: 1.6rem; }
.auth-container .subtitle { text-align: center; margin-bottom: 24px; color: var(--text-light); font-size: 0.95rem; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.88rem; color: var(--text-dark); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="tel"], input[type="search"], select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.98rem; background: #fff; color: var(--text-dark);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(90,103,216,0.15);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px; border: none; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-size: 1rem; font-weight: 700; cursor: pointer; transition: transform .15s ease, opacity .15s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); opacity: 0.95; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-danger { background: var(--danger); }
.btn-sm { width: auto; padding: 8px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }

.text-center { text-align: center; }
.link { color: var(--primary); text-decoration: none; font-weight: 600; }
.link:hover { text-decoration: underline; }

.alert { padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 0.92rem; }
.alert-error { background: var(--danger-bg); color: #B91C1C; }
.alert-success { background: var(--success-bg); color: #065F46; }
.alert-info { background: var(--info-bg); color: #1E40AF; }
.alert-warning { background: var(--warning-bg); color: #92400E; }

/* ---------- App shell (client + admin) ---------- */
.app-shell { min-height: 100vh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-panel); padding: 12px 28px; box-shadow: var(--shadow);
  position: sticky; top: 0; z-index: 20;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; }
.topbar .brand img { height: 34px; width: auto; }
.topbar .brand span { font-weight: 800; font-size: 1.1rem; color: var(--primary); }
.topbar nav { display: flex; align-items: center; gap: 6px; }
.topbar nav a {
  text-decoration: none; color: var(--text-light); font-weight: 600; font-size: 0.92rem;
  padding: 8px 14px; border-radius: var(--radius-sm);
}
.topbar nav a:hover, .topbar nav a.active { background: var(--info-bg); color: var(--primary); }
.topbar .user-menu { display: flex; align-items: center; gap: 14px; font-size: 0.9rem; color: var(--text-light); }
.topbar .user-menu strong { color: var(--text-dark); }

.page-wrap { max-width: 1180px; margin: 0 auto; padding: 28px; }
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.page-header h1 { margin: 0; font-size: 1.5rem; }
.page-header p { margin: 4px 0 0; color: var(--text-light); font-size: 0.92rem; }

/* Cards / stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--bg-panel); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat-card .label { font-size: 0.8rem; color: var(--text-light); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat-card .value { font-size: 1.9rem; font-weight: 800; margin-top: 6px; color: var(--text-dark); }
.stat-card .value.accent { color: var(--primary); }

.panel { background: var(--bg-panel); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.panel + .panel { margin-top: 20px; }

/* Table */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.data-table th {
  text-align: left; padding: 12px 14px; color: var(--text-light); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: .03em; border-bottom: 2px solid var(--border);
}
table.data-table td { padding: 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: #FAFBFF; }

.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 0.76rem; font-weight: 700; }
.badge-success { background: var(--success-bg); color: #047857; }
.badge-danger { background: var(--danger-bg); color: #B91C1C; }
.badge-warning { background: var(--warning-bg); color: #92400E; }
.badge-info { background: var(--info-bg); color: #1D4ED8; }
.badge-gray { background: #F3F4F6; color: #4B5563; }

.actions-row { display: flex; gap: 6px; flex-wrap: wrap; }
.icon-btn {
  border: 1px solid var(--border); background: #fff; color: var(--text-dark);
  padding: 6px 10px; border-radius: var(--radius-sm); font-size: 0.8rem; cursor: pointer;
  text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 4px;
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); }
.icon-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-light); }
.empty-state .emoji { font-size: 2.6rem; margin-bottom: 10px; }

.footer { text-align: center; margin: 40px 0 20px; color: var(--text-light); font-size: 0.85rem; }
.footer a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Bar chart (stats page) */
.bar-chart { display: flex; align-items: flex-end; gap: 6px; height: 160px; padding: 10px 0; }
.bar-chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar-chart .bar { width: 100%; max-width: 26px; background: linear-gradient(180deg, var(--secondary), var(--primary)); border-radius: 4px 4px 0 0; min-height: 2px; }
.bar-chart .bar-label { font-size: 0.68rem; color: var(--text-light); margin-top: 6px; white-space: nowrap; }

@media (max-width: 780px) {
  .topbar { flex-wrap: wrap; padding: 12px 16px; gap: 10px; }
  .topbar nav { order: 3; width: 100%; overflow-x: auto; }
  .page-wrap { padding: 18px; }
}