:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  --accent-green: #22c55e;
  --background-dark: #0f0f0f;
  --card-dark: #1a1a1a;

  /* Light mode */
  --bg-light: #f8fafc;
  --text-light: #0f172a;
  --border-light: #e2e8f0;
  --card-light: #ffffff;
  --text-muted-light: #64748b;

  /* Dark mode */
  --bg-dark: #0f0f0f;
  --text-dark: #f1f5f9;
  --border-dark: rgba(255, 255, 255, 0.05);
  --card-dark: #1a1a1a;
  --text-muted-dark: #94a3b8;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-light);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  background-repeat: no-repeat;
  background-position: center top;
  background-attachment: fixed;
}

body.dark-mode {
  background-color: var(--bg-dark);
  color: var(--text-dark);
}

/* ===== NAVBAR ===== */
.navbar {
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(248, 250, 252, 0.8);
  transition: all 0.3s ease;
}

body.dark-mode .navbar {
  background-color: rgba(15, 15, 15, 0.7);
  border-bottom-color: var(--border-dark);
}

.navbar-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-name {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--text-light);
}

body.dark-mode .brand-name {
  color: #ffffff;
}

.brand-divider {
  width: 1px;
  height: 1rem;
  background-color: var(--border-light);
}

body.dark-mode .brand-divider {
  background-color: rgba(255, 255, 255, 0.1);
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted-light);
}

body.dark-mode .brand-subtitle {
  color: var(--text-muted-dark);
}

/* ===== BUTTONS ===== */
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

body.dark-mode .btn-primary {
  background-color: white;
  color: black;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

body.dark-mode .btn-dark {
  background-color: white;
  color: black;
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-light);
}

body.dark-mode .btn-secondary {
  border-color: var(--border-dark);
  color: var(--text-dark);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(79, 70, 229, 0.05);
}

/* ===== MAIN CONTAINER ===== */
.main-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 2.5rem 1rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 3rem;
  text-align: center;
}

.page-title {
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .page-title {
    font-size: 2.25rem;
  }
}

.gradient-text {
  background: linear-gradient(to right, var(--primary), #9333ea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-muted-light);
  max-width: 28rem;
  margin: 0 auto;
}

body.dark-mode .page-subtitle {
  color: var(--text-muted-dark);
}

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background-color: var(--card-light);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border-light);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

body.dark-mode .stat-card {
  background-color: var(--card-dark);
  border-color: var(--border-dark);
}

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

.stat-card-dark {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  border-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted-light);
}

body.dark-mode .stat-label {
  color: var(--text-muted-dark);
}

.stat-label-dark {
  color: rgba(255, 255, 255, 0.7);
}

.stat-icon {
  font-size: 1.5rem;
}

.icon-green {
  color: var(--accent-green);
}

.icon-orange {
  color: var(--accent-orange);
}

.icon-light {
  color: rgba(255, 255, 255, 0.7);
}

.stat-value {
  font-family: 'Sora', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-value-dark {
  color: white;
}

.stat-description {
  font-size: 0.875rem;
  color: var(--text-muted-light);
}

body.dark-mode .stat-description {
  color: var(--text-muted-dark);
}

.stat-description-dark {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== PIX SECTION ===== */
.pix-section {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

/* ===== PAYMENTS SECTION ===== */
.payments-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.section-badge {
  font-size: 0.75rem;
  background-color: #f1f5f9;
  color: var(--text-muted-light);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

body.dark-mode .section-badge {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-muted-dark);
}

/* ===== TABLE ===== */
.table-wrapper {
  background-color: var(--card-light);
  border: 1px solid var(--border-light);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

body.dark-mode .table-wrapper {
  background-color: var(--card-dark);
  border-color: var(--border-dark);
}

.payments-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.payments-table thead {
  background-color: rgba(15, 15, 15, 0.02);
  border-bottom: 1px solid var(--border-light);
}

body.dark-mode .payments-table thead {
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom-color: var(--border-dark);
}

.payments-table th {
  padding: 1rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted-light);
}

body.dark-mode .payments-table th {
  color: var(--text-muted-dark);
}

.payments-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

body.dark-mode .payments-table td {
  border-bottom-color: var(--border-dark);
}

.payments-table tbody tr {
  transition: background-color 0.2s ease;
}

.payments-table tbody tr:hover:not(.row-disabled) {
  background-color: rgba(15, 15, 15, 0.02);
}

body.dark-mode .payments-table tbody tr:hover:not(.row-disabled) {
  background-color: rgba(255, 255, 255, 0.01);
}

.parcela-number {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
}

.date {
  color: var(--text-muted-light);
  font-size: 0.875rem;
}

body.dark-mode .date {
  color: var(--text-muted-dark);
}

.date-pending {
  color: var(--text-light);
  font-weight: 600;
}

body.dark-mode .date-pending {
  color: var(--text-dark);
}

.valor-pending {
  color: var(--accent-orange);
}

.row-highlight {
  background-color: rgba(249, 115, 22, 0.05);
}

body.dark-mode .row-highlight {
  background-color: rgba(249, 115, 22, 0.02);
}

.row-disabled {
  opacity: 0.5;
}

.action-cell {
  text-align: right;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--text-muted-light);
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.dark-mode .icon-btn {
  color: var(--text-muted-dark);
}

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

body.dark-mode .icon-btn:hover {
  color: white;
}

.icon-disabled {
  color: var(--text-muted-light) !important;
}

body.dark-mode .icon-disabled {
  color: var(--text-muted-dark) !important;
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
}

.badge-success {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
}

.badge-pending {
  background-color: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.badge-scheduled {
  background-color: transparent;
  color: var(--text-muted-light);
  border: 1px solid var(--border-light);
}

body.dark-mode .badge-scheduled {
  color: var(--text-muted-dark);
  border-color: var(--border-dark);
}

/* ===== TABLE FOOTER ===== */
.table-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

body.dark-mode .table-footer {
  border-top-color: var(--border-dark);
}

.link-button {
  background: none;
  border: none;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted-light);
  cursor: pointer;
  transition: color 0.2s ease;
}

body.dark-mode .link-button {
  color: var(--text-muted-dark);
}

.link-button:hover {
  color: var(--primary);
}

body.dark-mode .link-button:hover {
  color: white;
}

/* ===== FOOTER ===== */
.page-footer {
  max-width: 80rem;
  margin: 0 auto;
  padding: 2.5rem 1rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

body.dark-mode .page-footer {
  border-top-color: var(--border-dark);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  font-family: 'Sora', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  opacity: 0.3;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-muted-light);
  font-weight: 500;
}

body.dark-mode .footer-text {
  color: var(--text-muted-dark);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--card-light);
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  transition: all 0.3s ease;
}

body.dark-mode .theme-toggle {
  background-color: var(--card-dark);
  border-color: var(--border-dark);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.theme-toggle:hover {
  transform: scale(1.05);
}

.light-icon,
.dark-icon {
  font-size: 1.25rem;
  color: var(--text-light);
  transition: opacity 0.3s ease;
}

body.dark-mode .light-icon {
  opacity: 0;
  display: none;
}

body.dark-mode .dark-icon {
  display: block;
  color: white;
}

.light-icon {
  display: block;
}

.dark-icon {
  display: none;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
  .navbar-container {
    padding: 0 1rem;
  }

  .page-title {
    font-size: 1.875rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .main-container {
    padding: 1.5rem 1rem;
  }

  .payments-table {
    font-size: 0.8rem;
  }

  .payments-table th,
  .payments-table td {
    padding: 0.75rem;
  }

  .theme-toggle {
    width: 2.75rem;
    height: 2.75rem;
  }
}