:root {
  --bg-primary: #0a0a0c;
  --bg-secondary: #141417;
  --accent-primary: #6366f1;
  --accent-secondary: #a855f7;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-main: 'Outfit', sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.15) 0%, transparent 50%);
  min-height: 100vh;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.kanban-board {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}

.kanban-column {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
}

.sale-card {
  padding: 1rem;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.sale-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
}

.sale-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.amount {
  color: var(--text-primary);
  font-weight: 600;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 16px;
  height: 16px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-left: 1px solid rgba(255,255,255,0.1);
  border-top: 1px solid rgba(255,255,255,0.1);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  border: 3px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.9);
}

.upload-zone {
  border: 2px dashed var(--glass-border);
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  transition: border-color 0.3s;
}

.upload-zone:hover {
  border-color: var(--accent-primary);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* New Invoice List Styles */
.nav-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.nav-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  cursor: pointer;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-weight: 600;
  transition: all 0.2s;
}

.nav-btn.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Calendar Range Picker Styles */
.day-cell:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
}

.nav-btn-sm {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.nav-btn-sm:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.calendar-dropdown {
    animation: fadeInSlide 0.2s ease-out;
}

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: 0.8rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: white;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent-primary);
}

.table-container {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.invoice-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.invoice-table th, .invoice-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.invoice-table th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  user-select: none;
}

.invoice-table th:hover {
  color: var(--text-primary);
}

.invoice-table tr:last-child td {
  border-bottom: none;
}

.invoice-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.status-badge {
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
  background: var(--glass-border);
}

.page-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

select {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: white;
  padding: 0.5rem;
  border-radius: 8px;
  outline: none;
}

select option {
  background-color: var(--bg-secondary);
  color: white;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-content {
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--glass-border);
}

.modal-header {
  padding: 2rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 2rem;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.detail-table th, .detail-table td {
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
  text-align: left;
}

.detail-table th {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--glass-border);
  text-align: right;
  font-size: 1.2rem;
  font-weight: 700;
}

/* Daily Sales View Styles */
.daily-sales-container {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-card {
  transition: all 0.3s ease;
  border: 1px solid var(--glass-border);
}

.category-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
  transform: translateY(-2px);
}

.subgroup-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.sales-summary-header {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.time-mode-selector {
  display: flex;
  padding: 4px;
  gap: 4px;
}

.mode-btn {
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-btn.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.mode-btn:hover:not(.active) {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* Drill-Down Analytics Styles */
.category-card.selected {
    border-color: var(--accent-primary) !important;
    background: rgba(99, 102, 241, 0.1) !important;
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.2);
    transform: translateY(-4px) scale(1.02);
}

.detail-box {
    margin-top: 2rem;
    background: rgba(20, 20, 23, 0.9);
    border: 1px solid var(--accent-primary) !important;
    animation: slideUpFade 0.4s ease-out;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.breakdown-table th {
    border-bottom: 2px solid rgba(255,255,255,0.1) !important;
    padding-bottom: 0.8rem !important;
}

.breakdown-table tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Premium Analytics Styles */
.metric-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.metric-card:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
    border-color: var(--accent-primary) !important;
}

.modern-filters .nav-btn {
    text-align: left;
    transition: all 0.2s;
    border: 1px solid transparent;
}
.modern-filters .nav-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255,255,255,0.1);
    color: var(--accent-primary);
}

.filter-tabs .mode-btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.recharts-tooltip-wrapper {
    outline: none;
}

.recharts-default-tooltip {
    background-color: rgba(15, 23, 42, 0.9) !important;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.1) !important;
    border-radius: 8px !important;
}

.nav-item-hover {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav-item-hover:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    transform: translateX(4px);
    color: white !important;
}

.nav-item-hover:hover span:first-child {
    transform: scale(1.1);
}

.nav-section-main::-webkit-scrollbar {
    width: 4px;
}
.nav-section-main::-webkit-scrollbar-track {
    background: transparent;
}
.nav-section-main::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}