/* Heureka Conversions Report - minimal styling */

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  margin: 0;
  padding: 1rem;
  background: #f5f5f5;
  color: #222;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Header s logy */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
  text-align: left;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-main {
  max-height: 52px;
  width: auto;
  display: block;
}

.logo-corner {
  max-height: 44px;
  width: auto;
  flex-shrink: 0;
}

.report-title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

.user-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.35rem 0;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
  color: #475569;
  border-bottom: 1px solid #e2e8f0;
}

.user-name {
  font-weight: 500;
}

.logout-link {
  color: #2563eb;
  text-decoration: none;
}

.logout-link:hover {
  text-decoration: underline;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.controls label {
  font-weight: 500;
}

.controls input[type="date"] {
  padding: 0.4rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

.controls button {
  padding: 0.5rem 1rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

.controls button:hover {
  background: #1d4ed8;
}

.status {
  color: #166534;
  font-size: 0.9rem;
}

.status.error {
  color: #b91c1c;
}

.hidden {
  display: none !important;
}

/* Načítací overlay – kruh doprostřed */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-overlay.hidden {
  display: none !important;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e2e8f0;
  border-top-color: #2563eb;
  border-radius: 50%;
  animation: loading-spin 0.9s linear infinite;
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: #475569;
}

.summary {
  margin-bottom: 1.5rem;
}

.summary h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1.2rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.summary-block {
  padding: 0.75rem;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.summary-block h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
}

.summary-block p {
  margin: 0.2rem 0;
  font-size: 0.85rem;
  text-align: center;
}

.summary-derived {
  font-size: 0.9rem;
  color: #475569;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: stretch;
}

.summary-derived p {
  margin: 0.25rem 0;
  width: 100%;
}

/* ROAS a PNO – stejně velké boxy, stejný styl jako summary-block */
.summary-derived .kpi-box {
  display: inline-flex;
  flex-direction: column;
  flex: 1 1 0;
  min-width: 120px;
  max-width: 200px;
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  background: #f8fafc;
  color: #1e293b;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  font-size: 1.1rem;
  font-weight: 700;
}

.summary-derived .kpi-box .kpi-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1e293b;
  text-align: center;
}

.summary-derived .kpi-box .kpi-value {
  font-size: 1.1rem;
  font-weight: 700;
  display: block;
  margin-top: 0.25rem;
  text-align: center;
  color: #334155;
}

.table-section h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1.2rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filters label {
  font-size: 0.9rem;
  font-weight: 500;
}

.filters input[type="text"] {
  padding: 0.4rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  min-width: 180px;
}

.filters select {
  padding: 0.4rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.95rem;
}

.filters #btn-export-csv {
  padding: 0.5rem 1rem;
  background: #059669;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.95rem;
}

.filters #btn-export-csv:hover {
  background: #047857;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
}

#data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#data-table th,
#data-table td {
  padding: 0.5rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

#data-table th {
  background: #f1f5f9;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

#data-table th:hover {
  background: #e2e8f0;
}

#data-table td.num {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

#data-table th[data-col]:not([data-col="shop_item_name"]) {
  text-align: center;
}

#data-table td.name {
  max-width: 320px;
  word-wrap: break-word;
}

#data-table tbody tr:hover {
  background: #f8fafc;
}

#data-table th .sort-arrow {
  font-size: 0.7rem;
  color: #2563eb;
  margin-left: 0.25rem;
}

/* Pagination */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.page-info {
  color: #64748b;
}

.page-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.page-btn {
  padding: 0.35rem 0.7rem;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #fff;
  color: #334155;
  cursor: pointer;
  font-size: 0.85rem;
}

.page-btn:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.page-btn.active {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  font-weight: 600;
}

.page-btn.active:hover {
  background: #1d4ed8;
}

/* Přihlašovací stránka */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-wrapper {
  width: 100%;
  max-width: 380px;
}

.login-box {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-logo {
  max-height: 48px;
  width: auto;
  margin-bottom: 1rem;
}

.login-header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: #1e293b;
}

.login-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

.login-form label {
  display: block;
  margin: 0.75rem 0 0.25rem 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: #334155;
}

.login-form input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
}

.login-form input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.login-error {
  margin: 0.75rem 0 0;
  padding: 0.5rem;
  background: #fef2f2;
  color: #b91c1c;
  font-size: 0.9rem;
  border-radius: 6px;
}

.login-btn {
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.65rem 1rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.login-btn:hover {
  background: #1d4ed8;
}