/* --- DESIGN SYSTEM & VARIÁVEIS --- */
:root {
  /* Default Theme (Light) */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-hover: rgba(241, 245, 249, 0.95);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(0, 180, 216, 0.5);
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  
  --primary-gradient: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
  --accent-blue: #0096C7;
  --accent-purple: #2563EB;
  --text-on-primary: #FFFFFF;
  
  --success: #10B981;
  --success-glow: rgba(16, 185, 129, 0.1);
  --danger: #EF4444;
  --danger-glow: rgba(239, 68, 68, 0.1);
  --warning: #F59E0B;
  
  --font-family: 'Outfit', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 15px rgba(0, 150, 199, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --body-glow-1: rgba(0, 180, 216, 0.04);
  --body-glow-2: rgba(37, 99, 235, 0.03);
}

[data-theme="dark"] {
  --bg-primary: #0A0F1D;
  --bg-secondary: #121829;
  --bg-tertiary: #1B233D;
  --bg-glass: rgba(18, 24, 41, 0.75);
  --bg-glass-hover: rgba(27, 35, 61, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(0, 242, 254, 0.4);
  
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  --primary-gradient: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
  --accent-blue: #00F2FE;
  --accent-purple: #3B82F6; /* Less purplish accent */
  --text-on-primary: #0A0F1D;
  
  --success: #10B981;
  --success-glow: rgba(16, 185, 129, 0.15);
  --danger: #EF4444;
  --danger-glow: rgba(239, 68, 68, 0.15);
  --warning: #F59E0B;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 15px rgba(0, 242, 254, 0.25);

  --body-glow-1: rgba(0, 242, 254, 0.04);
  --body-glow-2: rgba(59, 130, 246, 0.03);
}

/* Theme Icons Visibility */
[data-theme="dark"] .theme-sun-icon {
  display: inline-block !important;
}
[data-theme="dark"] .theme-moon-icon {
  display: none !important;
}
:root:not([data-theme="dark"]) .theme-sun-icon {
  display: none !important;
}
:root:not([data-theme="dark"]) .theme-moon-icon {
  display: inline-block !important;
}

/* --- RESET & BASICS --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, var(--body-glow-1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, var(--body-glow-2) 0px, transparent 50%);
  background-attachment: fixed;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- APP LAYOUT --- */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* --- SIDEBAR --- */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.logo-container {
  display: flex;
  align-items: center;
  margin-bottom: 48px;
}

.logo-img {
  height: 40px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  transition: var(--transition);
}

.nav-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
  background: var(--primary-gradient);
  color: var(--text-on-primary);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.nav-icon {
  width: 20px;
  height: 20px;
  transition: var(--transition);
}

.nav-item.active .nav-icon {
  stroke: var(--text-on-primary);
}

.sidebar-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

/* --- USER INFO CARD (sidebar) --- */
.user-info-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  margin-bottom: 16px;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.user-info-card:hover {
  border-color: rgba(239, 68, 68, 0.3);
  background: var(--danger-glow);
}

.user-info-card:hover .user-logout-icon {
  color: var(--danger);
}

.user-logout-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.user-info-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.user-info-email {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.user-role-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
  width: fit-content;
}

.badge-admin {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(234, 88, 12, 0.15));
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-user {
  background: var(--bg-glass);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* --- MAIN CONTENT AREA --- */
.main-content {
  flex-grow: 1;
  padding: 40px 48px;
  overflow-y: auto;
  height: 100vh;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.content-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 15px;
}

.date-badge {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --- TAB ROUTING --- */
.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

/* --- GENERAL CARDS & SHAPES --- */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

.card-title-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 10px;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* --- DASHBOARD TAB --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
}

.card-upload {
  grid-column: 1 / 2;
}

.card-active {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
}

.card-last-changes {
  grid-column: 1 / 2;
}

/* Ajustes de layout para visualização de usuário não-admin */
.dashboard-grid.non-admin {
  grid-template-columns: 1fr 1fr;
}

.dashboard-grid.non-admin .card-upload {
  display: none !important;
}

.dashboard-grid.non-admin .card-active {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.dashboard-grid.non-admin .card-last-changes {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

/* --- DRAG & DROP ZONE --- */
.drop-zone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.01);
  transition: var(--transition);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent-blue);
  background: rgba(0, 242, 254, 0.03);
  box-shadow: inset 0 0 20px rgba(0, 242, 254, 0.05);
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  transition: var(--transition);
}

.drop-zone:hover .upload-icon {
  color: var(--accent-blue);
  transform: translateY(-4px);
}

.drop-text {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
}

.drop-text .highlight {
  color: var(--accent-blue);
  text-decoration: underline;
}

.file-limits {
  font-size: 12px;
  color: var(--text-muted);
}

/* Upload Progress Container */
.upload-progress-container {
  margin-top: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-md);
}

.upload-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
}

#upload-filename {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 75%;
}

.progress-bar-wrapper {
  background: rgba(255, 255, 255, 0.05);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar {
  background: var(--primary-gradient);
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

.status-msg {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
}

/* --- ACTIVE TOPICS LIST --- */
.active-topics-list {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 6px;
}

.topic-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px;
  animation: slideIn 0.3s ease;
}

.topic-bullet {
  width: 6px;
  height: 6px;
  background-color: var(--accent-blue);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-blue);
  flex-shrink: 0;
}

.topic-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

/* --- SUMMARY LAST CHANGES --- */
.last-changes-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.change-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  color: var(--text-secondary);
}

.pdf-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pdf-link:hover {
  text-decoration: underline;
}

.changes-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.changes-column h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.changes-column.added h3 {
  color: var(--success);
}

.changes-column.removed h3 {
  color: var(--danger);
}

.change-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.pill.added {
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pill.removed {
  background: var(--danger-glow);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Empty/Static States */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 100%;
}

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

.empty-state p {
  font-size: 14px;
  max-width: 250px;
  margin: 0 auto;
}

/* --- HISTÓRICO TAB --- */
.history-controls {
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

#history-search {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 14px 20px 14px 50px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  transition: var(--transition);
}

#history-search:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

/* Timeline Components */
.history-timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.timeline-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.timeline-item:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

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

.timeline-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.timeline-date {
  font-size: 13px;
  color: var(--text-secondary);
}

.timeline-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn {
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-danger {
  background: var(--danger-glow);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: var(--danger);
  color: #ffffff;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--text-on-primary);
}

.btn-primary:hover {
  opacity: 0.9;
  box-shadow: var(--shadow-glow);
}

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

.btn-success:hover {
  opacity: 0.9;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

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

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

/* --- CHAT TAB --- */
.chat-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  height: 600px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-messages {
  flex-grow: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.message {
  display: flex;
  gap: 16px;
  max-width: 80%;
  animation: messageIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.message.ai {
  align-self: flex-start;
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.message.user .message-avatar {
  background: var(--primary-gradient);
  color: #080B11;
  border: none;
}

.message-content {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.6;
}

.message.ai .message-content {
  border-top-left-radius: 2px;
}

.message.user .message-content {
  background: rgba(0, 242, 254, 0.08);
  border-color: rgba(0, 242, 254, 0.2);
  border-top-right-radius: 2px;
}

.message-content ul {
  padding-left: 20px;
  margin-top: 10px;
}

.message-content li {
  margin-bottom: 6px;
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 24px 16px 24px;
}

.suggestion-chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-family);
  transition: var(--transition);
}

.suggestion-chip:hover {
  background: var(--bg-glass-hover);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.chat-input-container {
  display: flex;
  padding: 16px 24px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  gap: 12px;
  align-items: center;
}

#chat-input {
  flex-grow: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 14px 24px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  transition: var(--transition);
}

#chat-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

#chat-send-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-gradient);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #080B11;
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}

#chat-send-btn:hover {
  transform: scale(1.05);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 10px;
  align-items: center;
  justify-content: center;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--accent-blue);
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

/* --- AJUSTE MANUAL TAB --- */
.card-adjust {
  max-width: 700px;
  margin: 0 auto;
}

.adjust-actions-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.add-topic-form {
  display: flex;
  gap: 12px;
}

.add-topic-form input {
  flex-grow: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  transition: var(--transition);
}

.add-topic-form input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.adjust-list-wrapper h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.adjust-topics-list {
  list-style: none;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.adjust-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.adjust-item span {
  font-size: 14px;
  font-weight: 500;
}

.btn-remove-topic {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-topic:hover {
  background: var(--danger-glow);
}

.btn-remove-topic svg {
  width: 18px;
  height: 18px;
}

.adjust-submit-wrapper {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  justify-content: flex-end;
}

/* --- TOAST & NOTIFICATION --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transition: var(--transition);
}

.toast.success {
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.toast.error {
  background: var(--danger-glow);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.toast.hidden {
  display: none;
}

.toast-message {
  min-width: 0;
}

.toast-close {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: currentColor;
  font: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.toast-close:hover,
.toast-close:focus-visible {
  background: rgba(239, 68, 68, 0.12);
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* --- ANIMATIONS --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes messageIn {
  from { opacity: 0; transform: translateY(15px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes typing {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Hide Utility */
.hidden {
  display: none !important;
}

/* Scrollbar customizations */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- MODAL DE CONFIRMAÇÃO --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: var(--transition);
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  width: 95%;
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 242, 254, 0.15);
  animation: modalScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScaleUp {
  from { transform: scale(0.93) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

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

.modal-header h2 {
  font-size: 20px;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.close-btn:hover {
  color: var(--danger);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.modal-section-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 600px) {
  .modal-grid {
    grid-template-columns: 1fr;
  }
}

.pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 45px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  align-content: flex-start;
}

.tags-input-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.add-tag-form {
  display: flex;
  gap: 6px;
}

.add-tag-form input {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-family);
}

.add-tag-form input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(255, 255, 255, 0.05);
}

.modal-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Deletable Pills */
.pill-delete {
  margin-left: 6px;
  cursor: pointer;
  font-weight: bold;
  opacity: 0.7;
  font-size: 12px;
  display: inline-block;
  transition: var(--transition);
}

.pill-delete:hover {
  opacity: 1;
  color: #ffffff;
}

/* Timeline & Dashboard Observation Display */
.timeline-observation {
  margin-top: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.015);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.dashboard-observation {
  margin-top: 16px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.015);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- EXPORT MODAL --- */
.export-modal-card {
  max-width: 620px;
  width: 95%;
}

.export-mode-toggle {
  display: flex;
  gap: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.export-mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.export-mode-btn:hover {
  color: var(--text-primary);
}

.export-mode-btn.active {
  background: var(--primary-gradient);
  color: var(--text-on-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.export-section {
  animation: fadeIn 0.3s ease;
}

.export-date-range {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.export-date-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.export-date-separator {
  color: var(--text-muted);
  padding-top: 20px;
}

.export-select-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.export-count-badge {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  background: rgba(0, 242, 254, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.export-log-list {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
}

.export-log-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.export-log-item:hover {
  background: var(--bg-glass-hover);
}

.export-log-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
  cursor: pointer;
  flex-shrink: 0;
}

.export-log-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.export-log-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.export-log-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* Spinning icon for loading state */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-icon {
  animation: spin 1s linear infinite;
}

#open-export-btn {
  white-space: nowrap;
  flex-shrink: 0;
}

/* --- TELA DE AUTENTICAÇÃO (LOGIN/CADASTRO) --- */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  width: 100vw;
  padding: 20px;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 10% 20%, var(--body-glow-1) 0px, transparent 40%),
    radial-gradient(at 90% 80%, var(--body-glow-2) 0px, transparent 40%);
  background-attachment: fixed;
  transition: background-color 0.3s ease;
}

.auth-card {
  width: 100%;
  max-width: 450px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 25px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 180, 216, 0.05);
  animation: authCardFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes authCardFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 5px;
}

.auth-logo .logo-img {
  height: 48px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: fadeIn 0.4s ease;
}

.auth-form h2 {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 5px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.btn-block {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  border-radius: var(--radius-md);
  justify-content: center;
  margin-top: 10px;
  font-weight: 600;
}

.auth-toggle-text {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 10px;
}

.auth-toggle-text a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.auth-toggle-text a:hover {
  text-decoration: underline;
  color: var(--accent-blue);
}

.forgot-link {
  font-size: 13px;
  color: var(--accent-blue);
  text-decoration: none;
  transition: var(--transition);
}

.forgot-link:hover {
  text-decoration: underline;
}

@media (max-height: 600px) {
  .auth-container {
    align-items: flex-start;
    padding-top: 40px;
    padding-bottom: 40px;
  }
}