:root {
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --border: #e2e6ea;
  --text: #1f2937;
  --text-muted: #6b7280;
  --primary: #0f766e;
  --primary-hover: #0d5f58;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --pending: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app { min-height: 100vh; }

.centered-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.auth-card h2 { margin-top: 0; }

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.field input,
.field select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--primary);
}

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #eef1f4; color: var(--text); }
.btn-secondary:hover { background: #e2e6ea; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-block { width: 100%; }

.error-box {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

.toast {
  position: fixed;
  bottom: 20px;
  inset-inline: 0;
  margin: 0 auto;
  width: fit-content;
  background: var(--text);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 50;
}
.toast.error { background: var(--danger); }

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar .app-name { font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.layout { display: flex; min-height: calc(100vh - 57px); }

.sidebar {
  width: 200px;
  background: var(--card-bg);
  border-inline-end: 1px solid var(--border);
  padding: 16px 0;
  flex-shrink: 0;
}
.sidebar-link {
  display: block;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  border-inline-start: 3px solid transparent;
}
.sidebar-link:hover { background: #f8fafc; }
.sidebar-link.active {
  color: var(--primary);
  border-inline-start-color: var(--primary);
  background: #f0fdfa;
  font-weight: 600;
}

.content { flex: 1; padding: 24px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.page-header h2 { margin: 0; }

.table-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 12px 16px;
  text-align: start;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.empty-state {
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-success { background: #dcfce7; color: var(--success); }
.badge-pending { background: #fef3c7; color: var(--pending); }
.badge-muted { background: #f1f5f9; color: var(--text-muted); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.info-grid .label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.info-grid .value { font-size: 15px; }

.logo-preview {
  width: 96px;
  height: 96px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: contain;
  background: #fafafa;
  display: block;
  margin-bottom: 12px;
}

code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  padding: 20px;
}
.modal-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}