:root {
  --bg-base: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1a2234;
  --bg-card: rgba(23, 31, 48, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #3b82f6;
  
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --profit-color: #10b981;
  --profit-bg: rgba(16, 185, 129, 0.12);
  --profit-glow: rgba(16, 185, 129, 0.25);
  
  --loss-color: #f43f5e;
  --loss-bg: rgba(244, 63, 94, 0.12);
  --loss-glow: rgba(244, 63, 94, 0.25);
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
}

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

body {
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(at 15% 10%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 85% 20%, rgba(16, 185, 129, 0.08) 0px, transparent 40%),
    radial-gradient(at 50% 90%, rgba(139, 92, 246, 0.06) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding: 24px 20px 60px 20px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.35);
}

.brand-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.brand-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(180deg, #ffffff 30%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* KPI Cards Section */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-blue);
  opacity: 0.8;
}

.kpi-card.today::before { background: var(--accent-cyan); }
.kpi-card.week::before { background: #6366f1; }
.kpi-card.month::before { background: #ec4899; }
.kpi-card.total::before { background: var(--profit-color); }

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.kpi-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.kpi-values {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.kpi-amount {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.kpi-percent {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kpi-meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}

/* Colors for stats */
.status-positive {
  color: var(--profit-color) !important;
}

.status-negative {
  color: var(--loss-color) !important;
}

.badge-positive {
  background: var(--profit-bg);
  color: var(--profit-color);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-negative {
  background: var(--loss-bg);
  color: var(--loss-color);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

.badge-neutral {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

/* Entry Section / Excel Style Quick Add */
.entry-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
}

.entry-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.entry-title {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #93c5fd;
}

.entry-helper {
  font-size: 12px;
  color: var(--text-dim);
}

.entry-form-row {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 0.9fr 1.1fr 1.1fr 1fr 1fr 1.2fr auto;
  gap: 10px;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.form-input, .form-select {
  background: rgba(13, 19, 31, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

.form-input:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-input.font-mono {
  font-family: var(--font-mono);
}

/* Calculated Live Previews */
.calc-preview {
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  height: 38px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: white;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
  height: 38px;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: var(--loss-bg);
  color: var(--loss-color);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
  background: var(--loss-color);
  color: white;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* Table Section */
.table-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.5);
}

.table-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.record-count {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-input {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 7px 12px;
  font-size: 13px;
  min-width: 220px;
  outline: none;
}

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

/* Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.trade-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.trade-table th {
  background: rgba(11, 16, 27, 0.85);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  user-select: none;
}

.trade-table th.text-right, .trade-table td.text-right {
  text-align: right;
}

.trade-table th.text-center, .trade-table td.text-center {
  text-align: center;
}

.trade-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background-color 0.15s ease;
}

.trade-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.035);
}

.trade-table td {
  padding: 14px 16px;
  color: var(--text-main);
  vertical-align: middle;
}

.trade-table td.font-mono {
  font-family: var(--font-mono);
}

/* Row Animation for new items */
@keyframes highlightRow {
  0% {
    background-color: rgba(59, 130, 246, 0.25);
  }
  100% {
    background-color: transparent;
  }
}

.row-new {
  animation: highlightRow 1.8s ease-out;
}

/* Badges */
.direction-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.direction-badge.long {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.direction-badge.short {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.notes-cell {
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-muted);
  font-size: 12px;
}

/* Empty State */
.empty-state {
  padding: 48px 20px;
  text-align: center;
  color: var(--text-dim);
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* Action buttons in row */
.table-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.action-icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.action-icon-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.action-icon-btn.delete:hover {
  color: var(--loss-color);
  background: var(--loss-bg);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* User Profile Badge */
.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

/* Auth Modal Overlay */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 10, 18, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.auth-overlay.active {
  opacity: 1;
  visibility: visible;
}

.auth-card {
  background: var(--bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  text-align: center;
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.94); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.auth-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  color: #60a5fa;
}

.auth-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-input-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.auth-error {
  background: var(--loss-bg);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.auth-btn {
  width: 100%;
  height: 42px;
  margin-top: 8px;
  font-size: 14px;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .entry-form-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .entry-form-row .btn-primary {
    grid-column: span 4;
  }
}

@media (max-width: 768px) {
  .entry-form-row {
    grid-template-columns: 1fr 1fr;
  }
  .entry-form-row .btn-primary {
    grid-column: span 2;
  }
  .app-header {
    flex-direction: column;
    align-items: flex-start;
  }
}