/* System Design - DHTECH VENDAS - GESTÃO (Premium Dark Theme) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #090a0f;
  --bg-secondary: #0f111a;
  --bg-card: #151824;
  --bg-hover: #1e2235;
  --border-color: rgba(255, 255, 255, 0.08);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #06b6d4;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.3), 0 2px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 16px -6px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --sidebar-width: 260px;
}

body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;
  --border-color: #e2e8f0;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 16px -6px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg-hover);
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-user {
  margin-top: auto;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-user-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
}

.sidebar-user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.nav-list {
  list-style: none;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.nav-item a:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active a {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.04) 100%);
  color: var(--text-primary);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 40px;
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Section visibility */
.app-section {
  display: none;
  flex-direction: column;
  gap: 24px;
  animation: fadeIn var(--transition-normal);
}

.app-section.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header actions & titles */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Grid & Cards (Dashboard / Resumo) */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.dashboard-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.dashboard-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 10px 20px -10px rgba(59, 130, 246, 0.15), var(--shadow-lg);
}

.dashboard-card-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.dashboard-card-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.dashboard-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px;
  border-radius: 8px;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dashboard-card-badge svg {
  width: 20px;
  height: 20px;
}

/* Filter controls bar */
.filter-bar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.filter-bar.reports-bar {
  flex-direction: column;
  align-items: stretch;
}

.reports-row-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.reports-actions-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 180px;
}

.filter-group.search-group {
  flex: 2;
  min-width: 250px;
}

.filter-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Inputs and Forms */
input, select, textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: all var(--transition-fast);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  margin-top: 20px;
}

.checkbox-group input {
  width: auto;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover), #1e40af);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-muted);
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-success {
  background-color: var(--color-success);
  color: white;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 6px;
}

/* Tables & Lists */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-md);
}

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

th, td {
  padding: 16px 20px;
  font-size: 14px;
}

th {
  background-color: var(--bg-hover);
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

td {
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

tr:hover td {
  background-color: var(--bg-hover);
}

/* Cards List (for Clients) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.client-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition-fast);
}

.client-card:hover {
  transform: translateY(-2px);
}

.client-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.client-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.client-card-detail {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.client-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-paid { background-color: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-pending { background-color: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-late { background-color: rgba(239, 68, 68, 0.15); color: #f87171; }
.badge-status { background-color: rgba(6, 182, 212, 0.15); color: #22d3ee; }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(9, 10, 15, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 24px;
}

.modal-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group-full {
  grid-column: span 2;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: var(--bg-secondary);
}

/* Interest Calculator styling */
.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
}

.calculator-results {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.calc-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.calc-metric-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calc-metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.calc-metric-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Empty states */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .calculator-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .sidebar-header {
    padding: 16px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .sidebar-user {
    display: none;
  }
  
  .nav-list {
    flex-direction: row;
    overflow-x: auto;
    padding: 8px 16px;
  }
  
  .nav-item a {
    padding: 8px 12px;
    font-size: 13px;
    white-space: nowrap;
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 20px;
    gap: 24px;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .modal-form {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: span 1;
  }
}

/* Login Screen Style */
.login-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
}

.modal-body input[type="text"],
.modal-body textarea,
.modal-body select {
  text-transform: uppercase;
}

/* Custom styles for Stock tab */
.badge-entrada {
  background-color: rgba(16, 185, 129, 0.15) !important;
  color: #10b981 !important;
}

.badge-saida {
  background-color: rgba(239, 68, 68, 0.15) !important;
  color: #ef4444 !important;
}

/* Active subtab indicator for stock sub-tabs */
.active-subtab {
  background-color: var(--color-primary) !important;
  color: white !important;
  border-color: var(--color-primary) !important;
}