:root{--c-dark-bg: #0e1117;--c-dark-surface: #131823;--c-dark-surface-hover: #1a2030;--c-dark-border: #2a2f3a;--c-dark-text-primary: #e4e8f1;--c-dark-text-secondary: #8b92a5;--c-light-bg: #f4f9ff;--c-light-surface: #ffffff;--c-light-surface-hover: #eef3fa;--c-light-border: #d0d7e2;--c-light-text-primary: #1a1d26;--c-light-text-secondary: #5f6777;--c-primary-dark: #5b8af5;--c-primary-light: #3b6ed4;--c-primary-hover-dark: #7aa3ff;--c-primary-hover-light: #2e5cb8;--c-success: #4caf50;--c-error: #f44336;--c-warning: #ff9800;--presence-online: #4caf50;--presence-offline: #9e9e9e;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 5px;--radius-md: 10px;--radius-lg: 15px;--c-settings-card-dark: #1a2030;--c-settings-card-light: #ffffff;--c-settings-card-border-dark: #2a2f3a;--c-settings-card-border-light: #d0d7e2;--c-settings-field-bg-dark: #131823;--c-settings-field-bg-light: #f4f9ff;--c-settings-divider-dark: #2a2f3a;--c-settings-divider-light: #d0d7e2;--c-nav-bg-dark: #131823;--c-nav-bg-light: #ffffff;--c-nav-border-dark: #2a2f3a;--c-nav-border-light: #d0d7e2;--c-auth-card-dark: #1a2030;--c-auth-card-light: #ffffff;--c-auth-card-border-dark: #2a2f3a;--c-auth-card-border-light: #d0d7e2;--c-auth-link-dark: #7aa3ff;--c-auth-link-light: #2e5cb8;--c-auth-error-bg-dark: rgba(244, 67, 54, .1);--c-auth-error-bg-light: rgba(244, 67, 54, .08)}:root{--bg: var(--c-dark-bg);--surface: var(--c-dark-surface);--surface-hover: var(--c-dark-surface-hover);--border: var(--c-dark-border);--text-primary: var(--c-dark-text-primary);--text-secondary: var(--c-dark-text-secondary);--primary: var(--c-primary-dark);--primary-hover: var(--c-primary-hover-dark);--chat-bubble-sent-bg: var(--c-primary-dark);--chat-bubble-sent-text: #ffffff;--chat-bubble-received-bg: var(--c-dark-surface);--chat-bubble-received-text: var(--c-dark-text-primary);--conversation-item-bg: var(--c-dark-surface);--conversation-item-hover-bg: var(--c-dark-surface-hover);--conversation-item-active-bg: #1e2740;--conversation-unread-badge-bg: var(--c-primary-dark);--chat-input-bg: var(--c-dark-surface);--chat-input-border: var(--c-dark-border);--auth-card-bg: var(--c-auth-card-dark);--auth-card-border: var(--c-auth-card-border-dark);--auth-link: var(--c-auth-link-dark);--auth-error-bg: var(--c-auth-error-bg-dark);--settings-card-bg: var(--c-settings-card-dark);--settings-card-border: var(--c-settings-card-border-dark);--settings-field-bg: var(--c-settings-field-bg-dark);--settings-divider: var(--c-settings-divider-dark);--nav-bg: var(--c-nav-bg-dark);--nav-border: var(--c-nav-border-dark)}