/* ==========================================================================
   Reports Dashboard - Premium Theme (Light + Dark)
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
  /* Background Colors (Light / Day mode) */
  --dashboard-bg-primary: #f8fafc;
  --dashboard-bg-secondary: #ffffff;
  --dashboard-bg-card: #ffffff;
  --dashboard-bg-card-hover: #f1f5f9;

  /* Accent Colors */
  --dashboard-accent-purple: #6366f1;
  --dashboard-accent-cyan: #22d3ee;
  --dashboard-accent-emerald: #10b981;
  --dashboard-accent-yellow: #fbbf24;
  --dashboard-accent-coral: #f472b6;
  --dashboard-accent-blue: #3b82f6;
  --dashboard-accent-red: #f87171;

  /* Text Colors */
  --dashboard-text-primary: #0f172a;
  --dashboard-text-secondary: #475569;
  --dashboard-text-muted: #64748b;
  --dashboard-text-on-accent: #0f172a;

  /* Chart Colors */
  --chart-area-fill: rgba(99, 102, 241, 0.12);
  --chart-line-primary: #6366f1;
  --chart-line-secondary: #fbbf24;
  --chart-line-tertiary: #22d3ee;

  /* Border & Shadows */
  --dashboard-border: #e2e8f0;
  --dashboard-glow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --dashboard-glow-emerald: 0 10px 30px rgba(16, 185, 129, 0.12);
  --dashboard-glow-coral: 0 10px 30px rgba(244, 114, 182, 0.12);

  /* Gradients */
  --gradient-purple: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-emerald: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --gradient-coral: linear-gradient(135deg, #f472b6 0%, #fb7185 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  --gradient-yellow: linear-gradient(135deg, #fbbf24 0%, #fcd34d 100%);

  /* Animation Timings */
  --dashboard-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --dashboard-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

html.dark {
  /* Background Colors (Dark mode) */
  --dashboard-bg-primary: #0d0d1a;
  --dashboard-bg-secondary: #141428;
  --dashboard-bg-card: #1a1a2e;
  --dashboard-bg-card-hover: #24243a;

  /* Text Colors */
  --dashboard-text-primary: #ffffff;
  --dashboard-text-secondary: #94a3b8;
  --dashboard-text-muted: #64748b;
  --dashboard-text-on-accent: #0d0d1a;

  /* Chart Colors */
  --chart-area-fill: rgba(99, 102, 241, 0.3);

  /* Border & Shadows */
  --dashboard-border: #2a2a4a;
  --dashboard-glow: 0 4px 30px rgba(99, 102, 241, 0.15);
  --dashboard-glow-emerald: 0 4px 30px rgba(16, 185, 129, 0.15);
  --dashboard-glow-coral: 0 4px 30px rgba(244, 114, 182, 0.15);
}

/* ==========================================================================
   Main Dashboard Container
   ========================================================================== */

.reports-dashboard {
  min-height: 100vh;
  background: var(--dashboard-bg-primary);
  padding: 1.5rem;
}

@media (min-width: 1024px) {
  .reports-dashboard {
    padding: 2rem;
  }
}

/* ==========================================================================
   Dashboard Header
   ========================================================================== */

.dashboard-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .dashboard-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.dashboard-header__title h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dashboard-text-primary);
  margin: 0;
}

.dashboard-header__title p {
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
  margin: 0.25rem 0 0 0;
}

.dashboard-header__filters {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.dashboard-header__filters select {
  background: var(--dashboard-bg-card);
  border: 1px solid var(--dashboard-border);
  border-radius: 0.5rem;
  color: var(--dashboard-text-primary);
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--dashboard-transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.25rem;
}

html.dark .dashboard-header__filters select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}

.dashboard-header__filters select:hover,
.dashboard-header__filters select:focus {
  border-color: var(--dashboard-accent-purple);
  outline: none;
}

/* ==========================================================================
   KPI Cards Grid
   ========================================================================== */

.dashboard-kpis {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .dashboard-kpis {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .dashboard-kpis {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* KPI Card Base */
.dashboard-kpi-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 1rem;
  background: var(--dashboard-bg-card);
  border: 1px solid var(--dashboard-border);
  box-shadow: var(--dashboard-glow);
  transition: var(--dashboard-transition);
  position: relative;
  overflow: hidden;
}

.dashboard-kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  z-index: 0;
  transition: var(--dashboard-transition);
}

.dashboard-kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.5);
}

.dashboard-kpi-card:hover::before {
  opacity: 0.15;
}

/* KPI Card Variants */
.dashboard-kpi-card--purple::before {
  background: var(--gradient-purple);
}

.dashboard-kpi-card--purple .dashboard-kpi-card__icon {
  background: var(--gradient-purple);
}

.dashboard-kpi-card--emerald::before {
  background: var(--gradient-emerald);
}

.dashboard-kpi-card--emerald .dashboard-kpi-card__icon {
  background: var(--gradient-emerald);
}

.dashboard-kpi-card--coral::before {
  background: var(--gradient-coral);
}

.dashboard-kpi-card--coral .dashboard-kpi-card__icon {
  background: var(--gradient-coral);
}

.dashboard-kpi-card--blue::before {
  background: var(--gradient-blue);
}

.dashboard-kpi-card--blue .dashboard-kpi-card__icon {
  background: var(--gradient-blue);
}

.dashboard-kpi-card--yellow::before {
  background: var(--gradient-yellow);
}

.dashboard-kpi-card--yellow .dashboard-kpi-card__icon {
  background: var(--gradient-yellow);
}

/* KPI Card Icon */
.dashboard-kpi-card__icon {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  flex-shrink: 0;
}

.dashboard-kpi-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: white;
}

/* KPI Card Content */
.dashboard-kpi-card__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.dashboard-kpi-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dashboard-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.dashboard-kpi-card__value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dashboard-text-primary);
  line-height: 1.2;
}

/* ==========================================================================
   Chart Containers
   ========================================================================== */

.dashboard-chart {
  background: var(--dashboard-bg-card);
  border: 1px solid var(--dashboard-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.dashboard-chart--full {
  width: 100%;
}

.dashboard-chart__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.dashboard-chart__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dashboard-text-primary);
  margin: 0;
}

.dashboard-chart__subtitle {
  font-size: 0.75rem;
  color: var(--dashboard-text-muted);
  margin-top: 0.25rem;
}

.dashboard-chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
}

.dashboard-chart__legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dashboard-text-secondary);
}

.dashboard-chart__legend-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
}

.dashboard-chart__legend-dot--primary {
  background: var(--chart-line-primary);
}

.dashboard-chart__legend-dot--secondary {
  background: var(--chart-line-secondary);
}

.dashboard-chart__legend-dot--tertiary {
  background: var(--chart-line-tertiary);
}

.dashboard-chart__body {
  position: relative;
  height: 300px;
}

@media (min-width: 768px) {
  .dashboard-chart__body {
    height: 350px;
  }
}

/* Charts Row Layout */
.dashboard-charts-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
  .dashboard-charts-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Horizontal Bars (Classification)
   ========================================================================== */

.dashboard-horizontal-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dashboard-hbar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dashboard-hbar__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 140px;
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
}

.dashboard-hbar__dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.dashboard-hbar__bar-container {
  flex: 1;
  height: 1.5rem;
  background: var(--dashboard-bg-secondary);
  border-radius: 0.375rem;
  overflow: hidden;
  position: relative;
}

.dashboard-hbar__bar {
  height: 100%;
  border-radius: 0.375rem;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding-right: 0.5rem;
  justify-content: flex-end;
  min-width: 2rem;
}

.dashboard-hbar__bar--emerald {
  background: var(--gradient-emerald);
}

.dashboard-hbar__bar--yellow {
  background: var(--gradient-yellow);
}

.dashboard-hbar__bar--coral {
  background: var(--gradient-coral);
}

.dashboard-hbar__bar--purple {
  background: var(--gradient-purple);
}

.dashboard-hbar__bar--blue {
  background: var(--gradient-blue);
}

.dashboard-hbar__value {
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.dashboard-hbar__percentage {
  min-width: 40px;
  text-align: right;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dashboard-text-muted);
}

/* ==========================================================================
   Performance Table
   ========================================================================== */

.dashboard-table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dashboard-table {
  width: 100%;
  border-collapse: collapse;
}

.dashboard-table thead {
  background: var(--dashboard-bg-secondary);
}

.dashboard-table th {
  padding: 0.875rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dashboard-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--dashboard-border);
}

.dashboard-table th:first-child {
  border-radius: 0.5rem 0 0 0;
}

.dashboard-table th:last-child {
  border-radius: 0 0.5rem 0 0;
}

.dashboard-table td {
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--dashboard-text-primary);
  border-bottom: 1px solid var(--dashboard-border);
}

.dashboard-table tbody tr {
  transition: var(--dashboard-transition-fast);
}

.dashboard-table tbody tr:hover {
  background: var(--dashboard-bg-card-hover);
}

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

.dashboard-table__client {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dashboard-table__client-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: var(--gradient-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.dashboard-table__client-name {
  font-weight: 500;
}

.dashboard-table__client-company {
  font-size: 0.75rem;
  color: var(--dashboard-text-muted);
}

.dashboard-table__status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.dashboard-table__status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
}

.dashboard-table__status-dot--success {
  background: var(--dashboard-accent-emerald);
}

.dashboard-table__status-dot--warning {
  background: var(--dashboard-accent-yellow);
}

.dashboard-table__status-dot--danger {
  background: var(--dashboard-accent-red);
}

.dashboard-table__action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dashboard-accent-cyan);
  background: transparent;
  border: 1px solid var(--dashboard-accent-cyan);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--dashboard-transition);
}

.dashboard-table__action-btn:hover {
  background: var(--dashboard-accent-cyan);
  color: var(--dashboard-text-on-accent);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes growWidth {
  from {
    width: 0;
  }
}

.dashboard-animate-in {
  animation: fadeInUp 0.5s ease-out forwards;
}

.dashboard-animate-in:nth-child(1) { animation-delay: 0s; }
.dashboard-animate-in:nth-child(2) { animation-delay: 0.1s; }
.dashboard-animate-in:nth-child(3) { animation-delay: 0.2s; }
.dashboard-animate-in:nth-child(4) { animation-delay: 0.3s; }
.dashboard-animate-in:nth-child(5) { animation-delay: 0.4s; }
.dashboard-animate-in:nth-child(6) { animation-delay: 0.5s; }

.dashboard-hbar__bar {
  animation: growWidth 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

@media (max-width: 639px) {
  .dashboard-hide-mobile {
    display: none;
  }
  
  .dashboard-chart__body {
    height: 250px;
  }
  
  .dashboard-kpi-card__value {
    font-size: 1.5rem;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .dashboard-hide-tablet {
    display: none;
  }
}

/* ==========================================================================
   Loading Skeleton
   ========================================================================== */

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.dashboard-skeleton {
  background: linear-gradient(
    90deg,
    var(--dashboard-bg-card) 25%,
    var(--dashboard-bg-card-hover) 50%,
    var(--dashboard-bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 0.5rem;
}

.dashboard-skeleton--text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.dashboard-skeleton--title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.dashboard-skeleton--card {
  height: 100px;
  border-radius: 1rem;
}

.dashboard-skeleton--chart {
  height: 300px;
  border-radius: 1rem;
}