:root {
  --bg:          #0f0f13;
  --surface:     #17171d;
  --surface-2:   #1f1f28;
  --surface-3:   #27272f;
  --border:      rgba(255,255,255,0.07);
  --border-hover:rgba(255,255,255,0.15);

  --accent:      #f97316;
  --accent-dim:  rgba(249,115,22,0.12);
  --accent-glow: rgba(249,115,22,0.3);

  --blue:        #3b82f6;
  --blue-dim:    rgba(59,130,246,0.12);
  --green:       #22c55e;
  --green-dim:   rgba(34,197,94,0.12);
  --purple:      #a855f7;
  --purple-dim:  rgba(168,85,247,0.12);
  --red:         #ef4444;
  --red-dim:     rgba(239,68,68,0.12);
  --amber:       #f59e0b;
  --amber-dim:   rgba(245,158,11,0.12);

  --text-1:      #f0f0f4;
  --text-2:      #9999ac;
  --text-3:      #55555f;

  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   18px;
  --radius-xl:   24px;

  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:   0 12px 48px rgba(0,0,0,0.6);

    --font-display: 'Cairo', sans-serif;
  --font-body:    'Tajawal', sans-serif;

  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}
html { 
  scroll-behavior: smooth; 
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  background-color: var(--bg);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(249,115,22,0.08) 0%, transparent 60%);
  color: var(--text-1);
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  /* position: sticky;  */
  top: 0; 
  z-index: 100;
  background: rgba(15,15,19,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 18px 20px 14px;
  margin: 0 -20px;
}

.header h2 {
  font-family: var(--font-display);
  font-size: 1.7rem; 
  font-weight: 800; 
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, #fbbf24 100%);
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent; 
  background-clip: text;
  display: inline-block;
}

.current-date {
  font-size: 0.78rem; 
  color: var(--text-3);
  letter-spacing: 0.06em; 
  text-transform: uppercase; 
  margin-top: 4px; 
  font-weight: 500;
}

.day-navigation {
  display: flex; 
  justify-content: space-between;
  align-items: center; 
  gap: 12px;
  margin: 24px 0 20px;
  background: var(--surface); 
  border: 1px solid var(--border);
  padding: 14px 18px; 
  border-radius: var(--radius-lg); 
  box-shadow: var(--shadow);
}

.day-info {
  font-family: var(--font-display); 
  font-size: 1.05rem; 
  font-weight: 600;
  text-align: center; 
  flex-grow: 1; 
  min-width: 0; 
  overflow: hidden;
  text-overflow: ellipsis; 
  white-space: nowrap; 
  color: var(--text-1);
}

.today-highlight { 
  color: var(--accent) !important; 
}

.datepicker-container {
  position: relative; 
  display: flex; 
  align-items: center;
  flex-grow: 1; 
  justify-content: center; 
  min-width: 0;
}

.datepicker { 
  position: absolute; 
  z-index: 1000; 
  top: 100%; 
  left: 0; 
}

button {
  font-family: var(--font-body);
  font-size: 0.875rem; 
  font-weight: 500;
  padding: 9px 16px; 
  border-radius: var(--radius-sm); 
  border: none; 
  cursor: pointer;
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 7px;
  white-space: nowrap; 
  transition: all var(--transition);
  letter-spacing: 0.01em; 
  line-height: 1; 
  width: auto;
}

button:hover { 
  opacity: 1; 
  transform: translateY(-1px); 
  filter: brightness(1.1);
}

button:active { 
  transform: translateY(0); 
}

.nav-button {
  background: var(--surface-2); 
  color: var(--text-1);
  border: 1px solid var(--border); 
  padding: 9px 14px;
}

.nav-button:hover { 
  background: var(--surface-3); 
  border-color: var(--border-hover); 
}

.calendar-button {
  background: var(--green-dim); 
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.2); 
  margin-left: 8px;
  margin-right: 8px;
}

.calendar-button:hover { 
  background: rgba(34,197,94,0.2); 
}

.btn-success {
  background: var(--green); 
  color: #fff; 
  font-weight: 600;
  width: 100%; 
  padding: 11px; 
  border-radius: var(--radius-sm);
  box-shadow: 0 0 20px rgba(34,197,94,0.2);
}

.btn-success:hover { 
  box-shadow: 0 0 28px rgba(34,197,94,0.35); 
}

.btn-danger {
  background: var(--red-dim); 
  color: var(--red); 
  border: 1px solid rgba(239,68,68,0.2);
}

.btn-warning {
  background: var(--amber-dim); 
  color: var(--amber); 
  border: 1px solid rgba(245,158,11,0.2);
}

.btn-info {
  background: var(--blue); 
  color: #fff; 
  font-weight: 600;
  width: 100%; 
  padding: 11px; 
  border-radius: var(--radius-sm);
  box-shadow: 0 0 20px rgba(59,130,246,0.2);
}

.btn-info:hover { 
  box-shadow: 0 0 28px rgba(59,130,246,0.35); 
}

.btn-pdf {
  background: linear-gradient(135deg, var(--accent), #dc2626);
  color: #fff; 
  font-weight: 600; 
  padding: 12px 28px;
  border-radius: var(--radius-sm); 
  box-shadow: 0 0 24px var(--accent-glow);
  font-size: 0.95rem;
  width: auto;
}

.btn-pdf:hover { 
  box-shadow: 0 0 36px var(--accent-glow); 
}

.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface); 
  border: 1px solid var(--border);
  padding: 5px; 
  border-radius: var(--radius) var(--radius) 0 0; 
  border-bottom: none;
}

.tab {
  flex: 1; 
  text-align: center; 
  padding: 10px 16px; 
  cursor: pointer;
  font-family: var(--font-display); 
  font-size: 0.9rem; 
  font-weight: 600;
  color: var(--text-2); 
  border-radius: var(--radius-sm);
  transition: all var(--transition); 
  letter-spacing: 0.02em;
  border: 1px solid transparent; 
  background: transparent; 
  width: auto;
}

.tab:hover { 
  color: var(--text-1); 
  background: var(--surface-2); 
  transform: none; filter: none; 
}

.tab.active { 
  background: var(--accent-dim); 
  color: var(--accent); 
  border-color: rgba(249,115,22,0.25); 
}

.tab-content {
  display: none;
  background: var(--surface); 
  border: 1px solid var(--border); 
  border-top: none;
  padding: 24px; 
  border-radius: 0 0 var(--radius) var(--radius);
  margin-bottom: 20px; 
  animation: fadeIn 0.25s ease;
}

.tab-content.active { 
  display: block; 
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-container { 
  margin-bottom: 20px; 
}

.form-row { 
  display: flex; 
  gap: 14px; 
  margin-bottom: 14px; 
  flex-wrap: wrap; 
}

.form-group { 
  flex: 1; 
  min-width: 200px; 
}

label {
  display: block; 
  margin-bottom: 6px; 
  font-size: 0.82rem; 
  font-weight: 500;
  color: var(--text-2); 
  letter-spacing: 0.03em; 
  text-transform: uppercase;
}

input, select {
  font-family: var(--font-body); 
  font-size: 0.95rem;
  padding: 10px 13px; 
  border-radius: var(--radius-sm);
  border: 1px solid var(--border); 
  background: var(--surface-2);
  color: var(--text-1); 
  width: 100%; 
  box-sizing: border-box;
  transition: border-color var(--transition), box-shadow var(--transition); 
  outline: none;
}

input::placeholder {
  color: var(--text-3); 
}

input:focus, select:focus {
  border-color: var(--accent); 
  box-shadow: 0 0 0 3px var(--accent-dim);
}

input[type="number"]::-webkit-inner-spin-button { 
  opacity: 0.4; 
}

.item-list {
  margin-top: 20px; 
  max-height: 320px; 
  overflow-y: auto;
  border-radius: var(--radius-sm); 
  border: 1px solid var(--border);
  scrollbar-width: thin; 
  scrollbar-color: var(--surface-3) transparent;
}

.item-list::-webkit-scrollbar { 
  width: 5px; 
}

.item-list::-webkit-scrollbar-track { 
  background: transparent; 
}

.item-list::-webkit-scrollbar-thumb { 
  background: var(--surface-3); 
  border-radius: 4px; 
}

.item {
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border); gap: 14px;
  transition: background var(--transition);
}

.item:hover { 
  background: var(--surface-2); 
}

.item:last-child { 
  border-bottom: none; 
}

.item-info { 
  flex-grow: 1; 
  min-width: 0; 
}

.item-name { 
  font-weight: 600; 
  font-size: 0.92rem; 
  margin-bottom: 3px; 
  color: var(--text-1); 
}

.item-details { 
  color: var(--text-2); 
  font-size: 0.82rem; 
}

.item-actions { 
  display: flex; 
  gap: 8px; 
  flex-shrink: 0; 
}

.badge {
  padding: 3px 9px; 
  border-radius: 20px; 
  font-size: 0.72rem; 
  font-weight: 600;
  letter-spacing: 0.04em; 
  text-transform: uppercase;
  display: inline-flex; 
  align-items: center; 
  gap: 4px; 
  margin-left: 10px;
}

.badge-paid { 
  background: var(--green-dim);
  color: var(--green); 
  border: 1px solid rgba(34,197,94,0.2); 
}

.badge-pending { 
  background: var(--red-dim); 
  color: var(--red); 
  border: 1px solid rgba(239,68,68,0.2); 
}

.empty-state { 
  text-align: center; 
  padding: 40px 20px; 
  color: var(--text-3); 
}

.empty-state i { 
  font-size: 2.4em; 
  margin-bottom: 12px; 
  display: block; 
  opacity: 0.4; 
}

.empty-state p { 
  font-size: 0.9rem; 
}

footer {
  background: var(--surface); 
  border: 1px solid var(--border);
  padding: 24px; 
  border-radius: var(--radius-lg); 
  margin-top: auto; 
  margin-bottom: 24px;
}

.stats {
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; 
  margin-bottom: 20px;
}

.stat-item {
  background: var(--surface-2); 
  border: 1px solid var(--border);
  padding: 18px 16px; 
  border-radius: var(--radius); 
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-item:hover { 
  border-color: var(--border-hover); 
  transform: translateY(-2px); 
}

.stat-item:nth-child(1) { 
  border-top: 3px solid var(--green); 
}

.stat-item:nth-child(2) { 
  border-top: 3px solid var(--purple); 
}

.stat-item:nth-child(3) { 
  border-top: 3px solid var(--red); 
}

.stat-label {
  font-size: 0.75rem; 
  color: var(--text-2);
  text-transform: uppercase; 
  letter-spacing: 0.05em; 
  font-weight: 500; 
  margin-bottom: 8px;
}

.stat-value { 
  font-family: var(--font-display); 
  font-size: 1.5rem; 
  font-weight: 700; 
  color: var(--text-1); 
}

.stat-item:nth-child(1) .stat-value { 
  color: var(--green); 
}

.stat-item:nth-child(2) .stat-value { 
  color: var(--purple); 
}

.stat-item:nth-child(3) .stat-value {
  color: var(--red); 
}

.backup-section { 
  margin-top: 20px; 
  padding-top: 20px; 
  border-top: 1px solid var(--border); 
}

.pdf-button-container { 
  text-align: center; 
  margin-bottom: 14px; 
}

#backupStatus {
  margin-top: 10px; 
  padding: 10px 14px; 
  border-radius: var(--radius-sm);
  background: var(--surface-2); 
  border-left: 3px solid var(--blue);
  font-size: 0.82rem; 
  color: var(--text-2); 
  font-style: italic;
}

.section {
  background: var(--surface); 
  border: 1px solid var(--border);
  padding: 28px; 
  border-radius: var(--radius-lg); 
  margin-bottom: 24px;
  animation: fadeIn 0.3s ease;
}

.section-title {
  font-family: var(--font-display); 
  font-size: 1.15rem; 
  font-weight: 700;
  color: var(--text-1); 
  margin-bottom: 24px; 
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border); 
  letter-spacing: -0.01em;
}

#inwiRecharge:focus, #remainingInwi:focus {
  border-color: #9f339f; 
  box-shadow: 0 0 0 3px rgba(159,51,159,0.12);
}

#orangeRecharge:focus, #remainingOrange:focus {
  border-color: #ea7c08; 
  box-shadow: 0 0 0 3px rgba(234,124,8,0.12);
}

#iamRecharge:focus, #remainingIAM:focus {
  border-color: var(--red); 
  box-shadow: 0 0 0 3px rgba(2,2,187,0.12);
}

#totalDealersToday {
  font-family: var(--font-display); 
  font-size: 0.95rem; 
  font-weight: 600;
  color: var(--green) !important; 
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.2); 
  border-radius: var(--radius-sm);
  padding: 10px 14px; 
  display: inline-block; 
  width: 100%; 
  margin-top: 4px;
}

.result {
  background: var(--surface-2); 
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent); 
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-top: 20px;
}

.result h3 {
  font-family: var(--font-display); 
  font-size: 1rem; 
  font-weight: 600;
  color: var(--text-2); 
  margin: 0;
}

#marginResult {
  font-family: var(--font-display); 
  font-size: 1.5rem; 
  font-weight: 800; 
  color: var(--green);
}

.section > div[style*="text-align: center"] {
  margin-top: 28px; 
  padding-top: 20px; 
  border-top: 1px solid var(--border);
  color: var(--text-3); 
  font-size: 0.8rem;
}

.section > div[style*="text-align: center"] a {
  color: var(--accent); 
  text-decoration: none; 
  font-weight: 600;
}

.section > div[style*="text-align: center"] a:hover { 
  text-decoration: underline; 
}

@media (max-width: 768px) {
  body { 
    padding: 0 14px 48px; 
  }
  .header { 
    margin: 0 -14px; 
    padding: 14px; 
  }
  .header h2 { 
    font-size: 1.4rem; 
  }
  .day-navigation { 
    flex-direction: column; 
    align-items: stretch; 
    gap: 10px; 
    padding: 14px; 
  }
  .day-info { 
    text-align: center; 
    white-space: normal; 
  }
  .datepicker-container { 
    margin: 0; 
    justify-content: center; 
  }
  .nav-button { 
    width: 100%; 
    justify-content: center; 
  }
  .form-group { 
    min-width: 100%; 
  }
  .item { 
    flex-direction: column; 
    align-items: flex-start; 
    gap: 10px; 
  }
  .item-actions { 
    width: 100%; 
    justify-content: flex-end; 
  }
  .stats { 
    grid-template-columns: 1fr; 
  }
  .section { 
    padding: 20px 16px; 
  }
  .tab-content { 
    padding: 18px 16px; 
  }
}
@media (max-width: 480px) { 
  .btn-pdf { 
    width: 100%; 
  } 
}