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

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #DBEAFE;
  --primary-lighter: #EFF6FF;
  --bg: #F1F5F9;
  --card-bg: #FFFFFF;
  --text: #0F172A;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F4;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --success: #22C55E;
  --success-bg: #F0FDF4;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --radius: 12px;
  --radius-card: 16px;
  --radius-xl: 20px;
  --radius-2xl: 20px;
  --bottom-bar-height: 0px;
  --header-height: 72px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Kufi Arabic", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ========== SPLASH ========== */
.splash {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, transform 0.6s;
}

.splash.fade-out {
  opacity: 0;
  transform: scale(1.03);
  pointer-events: none;
}

.splash-content {
  text-align: center;
  padding: 40px 32px;
  max-width: 400px;
  width: 100%;
}

.splash-brand {
  font-size: 36px;
  font-weight: 800;
  color: #1E3A5F;
  margin-bottom: 32px;
}

.splash-44x { color: #2563EB; }
.splash-inv { color: #1E3A5F; }
.splash-desc { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }
.splash-spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-top: 20px;
}

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

/* ========== APP ========== */
.app {
  max-width: 820px;
  margin: 0 auto;
  padding-bottom: calc(40px + env(safe-area-inset-bottom));
}

/* ========== HEADER ========== */
.top-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 8px 16px;
  padding-top: max(8px, env(safe-area-inset-top));
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.brand {
  font-size: 16px;
  font-weight: 700;
  color: #1E3A5F;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.header-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-btn:hover {
  background: var(--bg);
}

/* ========== BRANCH BAR ========== */
.branch-bar {
  padding: 0;
}

.branch-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 10px center;
  padding-left: 32px;
}

/* ========== SEARCH BAR ========== */
.search-bar {
  padding: 8px 16px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  right: 12px;
  font-size: 16px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 10px 40px 10px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  background: var(--card-bg);
}

.search-clear {
  position: absolute;
  left: 8px;
  width: 24px;
  height: 24px;
  border: none;
  background: var(--border);
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

/* ========== FILTER BAR ========== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-light);
}

.filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.filter-toggle-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--card-bg);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ========== STATS BAR ========== */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 16px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-secondary);
}

.stats-bar .stat strong {
  color: var(--text);
  font-weight: 700;
}

.export-bar-btn {
  margin-right: auto;
  padding: 4px 14px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.export-bar-btn:hover {
  background: var(--primary-dark);
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-tertiary);
}

.empty-state p {
  font-size: 14px;
}

html[dir="ltr"] .search-icon {
  right: auto;
  left: 12px;
}
html[dir="ltr"] .search-input {
  padding: 10px 36px 10px 40px;
}
html[dir="ltr"] .search-clear {
  left: auto;
  right: 8px;
}
html[dir="ltr"] .export-bar-btn {
  margin-right: 0;
  margin-left: auto;
}