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

/* ========== VARIÁVEIS DE TEMA - IDENTIDADE VISUAL SOPHIA ========== */
:root {
  /* Light Theme (padrão) */
  --bg-primary: #ffffff;
  --bg-secondary: #12528a3d;
  --bg-tertiary: #f9fafb;
  --dropdown-panel-bg: #ffffff;
  --dropdown-panel-border: #d1d5db;
  --dropdown-panel-divider: #e5e5e5;
  --dropdown-item-color: #2d2d2d;
  --dropdown-item-icon: #12528a;
  --dropdown-collapsed-header-bg: #f9fafb;
  --dropdown-collapsed-name-color: #1a1a1a;
  --dropdown-collapsed-email-color: #12528a;
  --sidebar-bg: #12528a;
  --sidebar-item-hover: #0d3a5f;
  --sidebar-item-active: #0a2d4a;
  --text-primary: #2d2d2d;
  --text-secondary: #6e6e80;
  --background-dash: #026025;
  --background-sup: #0a2d4a;
  --background-fin: #c8a956;
  --background-comp: #743637;
  --background-auto: #2a1a35;
  --text-sidebar: #ffffff;
  --destaque-text: #ffffff;
  --text-sidebar-muted: #d0e1f0;
  --border-linie: #2d2d2d;
  --border-color: #e5e5e5;
  --border-input: #c4c4c4;
  --input-bg: #12528a3d;
  --card-border: #d1d5db;
  --accent-primary: #12528a;
  --accent-secondary: #ca993b;
  --accent-hover: #0d3a5f;
  --message-user-bg: #12528a;
  --message-bot-bg: #f7f7f8;
  --destaque-badge: #ff6200c7;
  --error-color: #ef4444;
  --error-bg: #ffe5e5;
  --cancel-btn: #95a5a6;
  --cancel-btn-hover: #7f8c8d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
  --scrollbar-thumb: #c4c4c4;
  --scrollbar-thumb-hover: #a0a0a0;
  --scrollbar-sidebar: #0a2d4a;
  --scrollbar-sidebar-hover: #0d3a5f;
  --input-border: #12528a3d;
  --table-divider: rgba(0, 0, 0, 0.08);
  --theme-transparent: #00000000;
}

body.dark-theme {
  /* Dark Theme */
  --bg-primary: #000000;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2d2d2d;
  --dropdown-panel-bg: #070809;
  --dropdown-panel-border: #2d3235;
  --dropdown-panel-divider: #2f3538;
  --dropdown-item-color: #e6f8ff;
  --dropdown-item-icon: #e6f8ff;
  --dropdown-collapsed-header-bg: #070809;
  --dropdown-collapsed-name-color: #e6f8ff;
  --dropdown-collapsed-email-color: #9cddeb;
  --sidebar-bg: #000000;
  --sidebar-item-hover: #1a1a1a;
  --sidebar-item-active: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-sidebar: #ffffff;
  --text-sidebar-muted: #8e8e93;
  --border-line: #e5e5e5;
  --border-color: #2d2d2d;
  --border-input: #404040;
  --background-dash: #026025;
  --background-sup: #0a2d4a;
  --background-fin: #9f7f29;
  --background-comp: #743637;
  --background-auto: #2a1a35;
  --input-bg: #1a1a1a;
  --card-border: #404040;
  --accent-primary: #12528a;
  --accent-secondary: #ca993b;
  --accent-hover: #0d3a5f;
  --message-user-bg: #12528a;
  --message-bot-bg: #1a1a1a;
  --error-color: #ef4444;
  --destaque-badge: #ff6200c7;
  --destaque-text: #ffffff;
  --error-bg: #3d1a1a;
  --cancel-btn: #6c7a89;
  --cancel-btn-hover: #57606f;
  --shadow-sm: 0 1px 2px rgba(255, 255, 255, 0.05);
  --shadow-md: 0 4px 16px rgba(255, 255, 255, 0.1);
  --shadow-lg: 0 6px 24px rgba(255, 255, 255, 0.15);
  --scrollbar-thumb: #404040;
  --scrollbar-thumb-hover: #555;
  --scrollbar-sidebar: #1a1a1a;
  --scrollbar-sidebar-hover: #2d2d2d;
  --input-border: #347cbc;
  --table-divider: rgb(246, 246, 246);
  --theme-transparent: #00000000;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.history-action-toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  pointer-events: none;
  z-index: 12000;
  background: var(--dropdown-panel-bg);
  color: var(--dropdown-item-color);
  border: 1px solid var(--dropdown-panel-border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.history-action-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}