html[data-theme="light"]{color-scheme:light}html[data-theme="dark"]{color-scheme:dark}html[data-theme="dark"] body{background:#10181f!important;color:#e6edf2}html[data-theme="dark"] .panel,html[data-theme="dark"] .notice-panel,html[data-theme="dark"] .notice-output,html[data-theme="dark"] .tool-card,html[data-theme="dark"] .related-links a,html[data-theme="dark"] .guide-card{background:#182630!important;border-color:#30434f!important;color:#e6edf2!important}html[data-theme="dark"] .tool-card.featured{background:linear-gradient(135deg,#192b32 0,#15242d 100%)!important;border-color:#37665e!important}html[data-theme="dark"] .about{background:#183039!important;color:#e6edf2}html[data-theme="dark"] .hero{background:radial-gradient(circle at 83% 17%,#1b3b3a 0,rgba(27,59,58,0) 28%)!important}html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#101b23!important;color:#eef4f7!important;border-color:#49616e!important}html[data-theme="dark"] .paperstage,html[data-theme="dark"] .notice-preview-wrap{background:#111c24!important;border-color:#30434f!important}html[data-theme="dark"] .segmented,html[data-theme="dark"] .format-buttons{background:#293b46!important}html[data-theme="dark"] .segmented button,html[data-theme="dark"] .format-buttons button{color:#c7d6dd!important}html[data-theme="dark"] .segmented button[aria-pressed="true"],html[data-theme="dark"] .format-buttons button[aria-pressed="true"]{background:#20333e!important;color:#fff!important;box-shadow:none!important}html[data-theme="dark"] .copy-card{background:#1d2d37!important;border-color:#38505d!important}html[data-theme="dark"] .profile-summary{background:#183238!important;color:#e6edf2}html[data-theme="dark"] .seo-section,html[data-theme="dark"] .check-item{border-color:#30434f!important}html[data-theme="dark"] .seo-section p,html[data-theme="dark"] .seo-section li,html[data-theme="dark"] .tool-card p:not(.tool-state),html[data-theme="dark"] .about p:last-child,html[data-theme="dark"] .copy-card pre{color:#c5d3da!important}html[data-theme="dark"] footer{color:#a2b3be}html[data-theme="dark"] .app-toast{background:#285f6d!important;color:#fff!important}
html[data-theme="dark"]{background:#10181f}html[data-theme="light"]{background:#f3f6f8}body{min-height:100vh}