/* ==================================================
   CRISTIANOSHOP DASHBOARD - STILI
   Design: pulito, moderno, responsive
   ================================================== */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f4ef;
  --bg-tertiary: #ecebe4;
  --text-primary: #1a1a1a;
  --text-secondary: #6b6a64;
  --text-tertiary: #999895;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --color-success: #1d9e75;
  --color-success-bg: #e1f5ee;
  --color-danger: #d4537e;
  --color-danger-bg: #fbeaf0;
  --color-info: #378add;
  --color-info-bg: #e6f1fb;
  --color-warning: #ba7517;
  --color-warning-bg: #faeeda;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1c1c1a;
    --bg-secondary: #262624;
    --bg-tertiary: #2c2c2a;
    --text-primary: #f0efe9;
    --text-secondary: #a8a7a0;
    --text-tertiary: #75746f;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  padding: 1.5rem;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* BANNER ERRORI */
.banner {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: 13px;
}
.banner.error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.5rem;
}
.header h1 {
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
}
.subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}
.header-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* BOTTONI */
button {
  font-family: inherit;
  font-size: 13px;
  padding: 6px 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
button:hover { background: var(--bg-secondary); }
button:active { transform: scale(0.98); }

.btn-period.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}
.btn-refresh {
  font-size: 16px;
  padding: 4px 10px;
}
.btn-logout {
  font-size: 14px;
  padding: 4px 10px;
  color: var(--color-danger);
  border-color: var(--color-danger-bg);
}
.btn-logout:hover {
  background: var(--color-danger-bg);
}
.btn-export {
  padding: 4px 10px;
  font-size: 12px;
}

/* DATE PICKER */
.date-picker {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 1rem;
  padding: 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border);
}
.date-picker input[type="date"] {
  padding: 6px 10px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* SECTION */
.section { margin-bottom: 2rem; }
.section-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* KPI CARDS */
.kpi-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 1rem;
}
.kpi-grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 1rem;
}

.kpi-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}
.kpi-card-sm {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.kpi-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.kpi-value {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 4px;
}
.kpi-value-sm {
  font-size: 22px;
  font-weight: 500;
}
.kpi-sub {
  font-size: 12px;
  color: var(--text-secondary);
}
.kpi-value.positive { color: var(--color-success); }
.kpi-value.negative { color: var(--color-danger); }

/* CHART CARD */
.chart-card {
  background: var(--bg-primary);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.chart-title {
  font-size: 14px;
  font-weight: 500;
}
.chart-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}
.legend-line {
  width: 14px;
  height: 0;
  border-top: 2px dashed #b4b2a9;
}
.chart-wrapper {
  position: relative;
  width: 100%;
}
.chart-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

/* COUNTRIES LIST */
.countries-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 280px;
  overflow-y: auto;
}
.country-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.country-flag {
  font-size: 18px;
  width: 28px;
}
.country-name {
  flex: 1;
  font-size: 13px;
}
.country-count {
  font-size: 13px;
  font-weight: 500;
  min-width: 40px;
  text-align: right;
}
.country-bar {
  width: 100px;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}
.country-bar-fill {
  height: 100%;
  background: var(--color-info);
  transition: width 0.3s;
}
.country-pct {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 44px;
  text-align: right;
}

/* TABLE */
.table-wrapper {
  max-height: 360px;
  overflow-y: auto;
  overflow-x: auto;
  border-radius: var(--radius-md);
}
.data-table {
  width: 100%;
  font-size: 13px;
  border-collapse: collapse;
}
.data-table thead {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 1;
}
.data-table th {
  text-align: left;
  font-weight: 500;
  padding: 10px 12px;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.data-table td {
  padding: 10px 12px;
  border-top: 0.5px solid var(--border);
}
.status-pill {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  display: inline-block;
}

.loading, .empty {
  text-align: center;
  padding: 30px;
  color: var(--text-tertiary);
  font-size: 13px;
}

/* LOADER */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  color: white;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* RESPONSIVE MOBILE */
@media (max-width: 640px) {
  body { padding: 1rem; }
  .header h1 { font-size: 20px; }
  .header-actions { width: 100%; }
  .header-actions button {
    flex: 1;
    min-width: 60px;
    padding: 8px 6px;
    font-size: 12px;
  }
  .kpi-value { font-size: 20px; }
  .kpi-value-sm { font-size: 18px; }
  .data-table th,
  .data-table td {
    padding: 8px 6px;
    font-size: 12px;
  }
  .chart-grid-2 { grid-template-columns: 1fr; }
}

/* TAB BAR */
.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 1.5rem;
  border-bottom: 0.5px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
}
.tab-btn {
  padding: 10px 18px;
  font-size: 14px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.tab-btn.active {
  color: var(--color-info);
  border-bottom-color: var(--color-info);
  font-weight: 500;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.section-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: -8px 0 12px;
}

/* HEATMAP */
.heatmap-wrapper {
  overflow-x: auto;
  padding: 8px 0;
}
.heatmap-table {
  border-collapse: separate;
  border-spacing: 2px;
  font-size: 11px;
  margin: 0 auto;
}
.heatmap-table th,
.heatmap-table td {
  padding: 4px 6px;
  text-align: center;
  min-width: 26px;
}
.heatmap-table th {
  font-weight: 500;
  color: var(--text-secondary);
}
.heatmap-cell {
  border-radius: 3px;
  color: var(--text-primary);
  font-weight: 500;
}

/* RESPONSIVE TAB */
@media (max-width: 640px) {
  .tab-btn {
    padding: 8px 12px;
    font-size: 12px;
  }
  .tab-bar { padding-bottom: 4px; }
}