/* ============================================
   Performance Energia Solar - Admin Panel CSS
   Design System: Dark Mode + Solar Orange
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Brand Colors */
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-300: #fdba74;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --orange-700: #c2410c;

  --yellow-400: #facc15;
  --yellow-500: #eab308;

  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;

  --red-400: #f87171;
  --red-500: #ef4444;

  --blue-400: #60a5fa;
  --blue-500: #3b82f6;

  /* Dark Theme */
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #1e2130;
  --bg-card-hover: #252840;
  --bg-input: #252840;
  --bg-sidebar: #141620;

  --border: #2a2d3e;
  --border-hover: #3a3d5e;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #f97316, #eab308);
  --gradient-card: linear-gradient(135deg, rgba(249,115,22,0.1), rgba(234,179,8,0.05));
  --gradient-success: linear-gradient(135deg, #22c55e, #16a34a);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(249,115,22,0.15);

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--orange-400); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--orange-300); }

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(249,115,22,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(234,179,8,0.06) 0%, transparent 50%);
  animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 48px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(20px);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-brand);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(249,115,22,0.3);
}

.login-logo h1 {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 2px 12px rgba(249,115,22,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(249,115,22,0.4);
}

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

.btn-success {
  background: var(--gradient-success);
  color: #fff;
}

.btn-danger {
  background: var(--red-500);
  color: #fff;
}
.btn-danger:hover {
  background: var(--red-400);
}

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

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================
   LAYOUT — SIDEBAR + MAIN
   ============================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-brand {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-brand .brand-text h2 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-brand .brand-text span {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  margin-bottom: 2px;
}

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

.nav-link.active {
  background: rgba(249,115,22,0.1);
  color: var(--orange-400);
  border-left: 3px solid var(--orange-500);
}

.nav-link .icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user .avatar {
  width: 36px;
  height: 36px;
  background: var(--gradient-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.sidebar-user .user-info span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-user .user-info small {
  font-size: 11px;
  color: var(--text-muted);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.page-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 2px;
}

.page-body {
  padding: 24px 32px;
}

/* ============================================
   CARDS & STATS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity 0.3s;
}

.stat-card:hover::before { opacity: 1; }
.stat-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-md); }

.stat-card .stat-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stat-card .stat-change {
  font-size: 12px;
  margin-top: 8px;
  font-weight: 600;
}
.stat-card .stat-change.positive { color: var(--green-400); }
.stat-card .stat-change.negative { color: var(--red-400); }

/* ============================================
   TABLES
   ============================================ */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.table-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.table-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.table-filters .form-input {
  padding: 8px 12px;
  font-size: 13px;
  width: auto;
  min-width: 150px;
}

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

th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.1);
}

td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

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

.table-pagination {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  gap: 4px;
}

.badge-success { background: rgba(34,197,94,0.15); color: var(--green-400); }
.badge-warning { background: rgba(234,179,8,0.15); color: var(--yellow-400); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--red-400); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--blue-400); }
.badge-default { background: rgba(148,163,184,0.15); color: var(--text-secondary); }
.badge-orange { background: rgba(249,115,22,0.15); color: var(--orange-400); }

/* ============================================
   CHARTS AREA
   ============================================ */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.chart-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.chart-card canvas {
  width: 100% !important;
  max-height: 280px;
}

/* Funnel Chart */
.funnel-chart {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.funnel-step {
  display: flex;
  align-items: center;
  gap: 12px;
}

.funnel-bar-wrap {
  flex: 1;
  height: 32px;
  background: var(--bg-input);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.funnel-bar {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 6px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding: 0 10px;
  min-width: 40px;
}

.funnel-bar span {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.funnel-label {
  width: 110px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: right;
  flex-shrink: 0;
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 0.3s;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ============================================
   DRAW ANIMATION (SORTEIO)
   ============================================ */
.draw-container {
  text-align: center;
  padding: 40px 20px;
}

.draw-number {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: 12px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 24px 0;
  font-variant-numeric: tabular-nums;
}

.draw-number.spinning {
  animation: spinNumber 0.1s infinite;
}

@keyframes spinNumber {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.draw-winner-card {
  background: var(--gradient-card);
  border: 2px solid var(--orange-500);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 24px;
  animation: winnerReveal 0.6s ease-out;
}

@keyframes winnerReveal {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.draw-winner-card h2 {
  font-size: 24px;
  color: var(--orange-400);
  margin-bottom: 16px;
}

/* ============================================
   DM PREVIEW (Chat simulation)
   ============================================ */
.dm-preview {
  max-width: 380px;
  margin: 0 auto;
  background: #000;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.dm-preview-header {
  padding: 12px 16px;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #333;
}

.dm-preview-header .dm-avatar {
  width: 32px;
  height: 32px;
  background: var(--gradient-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.dm-preview-header span {
  font-size: 14px;
  font-weight: 600;
}

.dm-messages {
  padding: 16px;
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
}

.dm-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 18px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.dm-bubble.bot {
  background: #262626;
  color: #fff;
  border-bottom-left-radius: 4px;
  margin-right: auto;
}

.dm-bubble.user {
  background: var(--orange-500);
  color: #fff;
  border-bottom-right-radius: 4px;
  margin-left: auto;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
}

.toast-success { background: var(--green-600); color: #fff; }
.toast-error { background: var(--red-500); color: #fff; }
.toast-info { background: var(--blue-500); color: #fff; }

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   LOADER
   ============================================ */
.loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.page-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

/* ============================================
   UTILITIES
   ============================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-secondary); }
.font-bold { font-weight: 700; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .charts-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .page-header { padding: 16px 20px; }
  .page-body { padding: 16px 20px; }
  .stats-grid { grid-template-columns: 1fr; }
  .table-header { flex-direction: column; }
}