:root {
  /* Cores - Light Theme (Default) */
  --bg-color: #f8fafc;
  --header-bg: #0f172a;
  --header-text: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-border: rgba(226, 232, 240, 0.8);
  --text-main: #1e293b;
  --text-muted: #64748b;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --success-color: #22c55e;
  --danger-color: #ef4444;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
  --bg-color: #020617;
  --header-bg: #0f172a;
  --header-text: #f8fafc;
  --card-bg: rgba(30, 41, 59, 0.7);
  --card-border: rgba(51, 65, 85, 0.5);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-color: #60a5fa;
  --accent-hover: #93c5fd;
  --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -6px rgba(0, 0, 0, 0.2);
  --glass-bg: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden; /* Evita rolagem lateral e espaços brancos */
}

header {
  background-color: var(--header-bg);
  color: var(--header-text);
  padding: 40px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  margin: 0;
  display: block;
}

header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.header-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 10px;
}

#logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
}

header h1 {
  margin: 0;
  font-size: 2.8em;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  font-size: 1.1em;
  color: #94a3b8;
  margin-top: 5px;
  text-align: center;
}

/* Theme Toggle Button */
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  z-index: 10;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 960px) {
  main {
    grid-template-columns: 1fr 1fr;
  }
  .full-width {
    grid-column: 1 / -1;
  }
}

section {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

h2 {
  color: var(--text-main);
  font-size: 1.5em;
  margin-top: 0;
  margin-bottom: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 2px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--card-border);
}

.info-item:last-of-type {
  border-bottom: none;
}

.info-label {
  color: var(--text-muted);
  font-weight: 500;
}

.info-value {
  color: var(--text-main);
  font-weight: 600;
}

/* Buttons */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button {
  flex: 1;
  min-width: 200px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-color);
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.2);
}

.button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.button.secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--card-border);
  box-shadow: none;
}

.button.secondary:hover {
  background-color: var(--card-border);
  transform: translateY(-2px);
}

.button.whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.button.whatsapp:hover {
  background: linear-gradient(135deg, #2ae06d 0%, #16a08f 100%);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px) scale(1.02);
}

.button.whatsapp svg {
  margin-right: 8px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* Notice Card */
#notice-details {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 15px;
  margin-top: 15px;
  border: 1px solid var(--card-border);
}

.notice-title-box {
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 8px;
  font-size: 1.1em;
}

.notice-msg-box {
  color: var(--text-main);
  margin-bottom: 12px;
}

.notice-meta {
  font-size: 0.85em;
  color: var(--text-muted);
}

.small-button {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.small-button:hover:not(:disabled) {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-top: 10px;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

th {
  text-align: left;
  padding: 16px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--card-border);
}

td {
  padding: 16px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-main);
  word-break: break-word; /* Evita nomes de usuários longos quebrem o layout */
}

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

tr:hover td {
  background-color: rgba(59, 130, 246, 0.05);
}

.badge-rank {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.9em;
  background: var(--card-border);
}

.rank-1 .badge-rank { background: #fbbf24; color: #78350f; }
.rank-2 .badge-rank { background: #94a3b8; color: #1e293b; }
.rank-3 .badge-rank { background: #b45309; color: #fff; }

#ranking-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.ranking-progress {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.ranking-action-btn {
  border: 1px solid var(--accent-color);
  background: var(--accent-color);
  color: white;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.ranking-action-btn:hover {
  transform: translateY(-1px);
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.ranking-action-btn.subtle {
  background: transparent;
  color: var(--text-main);
  border-color: var(--card-border);
}

.ranking-action-btn.subtle:hover {
  background: var(--card-bg);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* History List */
#notice-history {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

#notice-history li {
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.9em;
}

/* Partner section */
.section-partners {
  gap: 12px;
}

.partners-hint {
  color: var(--text-muted);
  margin: 0 0 8px;
}

.partner-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 16px;
}

.partner-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
}

.partner-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.partner-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.partner-name {
  font-weight: 700;
}

.partner-desc {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
}

footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 0.9em;
}

footer a {
  color: inherit;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

footer a:hover {
  color: var(--accent-color);
  border-bottom: 1px solid var(--accent-color);
}

/* Gráfico e Loaders */
.chart-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  height: 350px;
  color: var(--text-muted);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--card-border);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#usage-chart {
  width: 100%;
  margin: 0 auto;
}

.pie-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 720px) {
  .pie-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pie-card-wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .pie-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.pie-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px;
}

.pie-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--text-main);
}

.pie-chart-wrap {
  min-height: 280px;
  position: relative;
}

.pie-loader {
  height: 280px;
}

/* Customização ApexCharts tooltips e outros elementos para combinar com o tema */
.apexcharts-tooltip {
  background: var(--card-bg) !important;
  border: 1px solid var(--card-border) !important;
  color: var(--text-main) !important;
  box-shadow: var(--shadow) !important;
  backdrop-filter: blur(8px);
}

.apexcharts-tooltip-title {
  background: var(--header-bg) !important;
  color: white !important;
  border-bottom: 1px solid var(--card-border) !important;
}

/* Ajuste fino para o container do gráfico em mobile */
@media (max-width: 640px) {
  #usage {
    padding: 15px;
  }
  .header-container {
    align-items: center;
    text-align: center;
  }
  header h1 { 
    font-size: 1.8em; 
    word-break: break-word;
  }
  .header-brand { 
    flex-direction: column; 
    text-align: center; 
    gap: 10px;
  }
  section { 
    padding: 20px; 
    max-width: 100%;
    overflow-x: hidden;
  }
  .button-group { 
    flex-direction: column; 
    width: 100%;
  }
  .button { 
    width: 100%; 
    min-width: unset;
  }
}