:root{color-scheme:light;--color-primary: #3CC8B4;--color-primary-dark: #2BA898;--color-primary-light: #E8FAF7;--color-sidebar: #1B2A3D;--color-sidebar-hover: rgba(60,200,180,.15);--color-sidebar-active: rgba(60,200,180,.25);--color-text: #2D3748;--color-text-light: #718096;--color-text-muted: #A0AEC0;--color-bg: #F7FAFA;--color-surface: #FFFFFF;--color-surface-alt: #F7FAFA;--color-border: #E2E8F0;--color-success: #48BB78;--color-success-bg: #F0FFF4;--color-success-text: #276749;--color-warning: #ECC94B;--color-warning-bg: #FFFFF0;--color-warning-text: #744210;--color-danger: #F56565;--color-danger-bg: #FFF5F5;--color-danger-text: #9B2C2C;--color-info: #4299E1;--color-info-bg: #EBF8FF;--color-info-text: #2B6CB0;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root.dark{color-scheme:dark;--color-primary-light: rgba(60,200,180,.15);--color-sidebar: #111C2B;--color-text: #E2E8F0;--color-text-light: #94A3B8;--color-text-muted: #64748B;--color-bg: #0F172A;--color-surface: #1E293B;--color-surface-alt: #162032;--color-border: #334155;--color-success-bg: #052E16;--color-success-text: #4ADE80;--color-warning-bg: #1C1400;--color-warning-text: #FCD34D;--color-danger-bg: #450A0A;--color-danger-text: #FC8181;--color-info-bg: #0C1A2E;--color-info-text: #60A5FA}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--color-bg);color:var(--color-text);transition:background-color .2s,color .2s}a{color:var(--color-primary);text-decoration:inherit}:root.dark input:not([type=checkbox]):not([type=radio]),:root.dark textarea,:root.dark select{background-color:var(--color-surface)!important;color:var(--color-text)!important;border-color:var(--color-border)!important}:root.dark input:disabled,:root.dark textarea:disabled,:root.dark select:disabled{background-color:var(--color-bg)!important;color:var(--color-text-muted)!important}:root.dark ::-webkit-scrollbar{width:8px;height:8px}:root.dark ::-webkit-scrollbar-track{background:var(--color-bg)}:root.dark ::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}@media(max-width:540px){.gbht-child-header{flex-direction:column!important;align-items:flex-start!important;gap:12px!important}.gbht-child-photo-wrap{width:72px!important;height:72px!important}.gbht-child-initials{font-size:22px!important}.gbht-child-name{font-size:20px!important}}@media(max-width:540px){.gbht-msg-row{flex-wrap:wrap!important}.gbht-msg-right{flex-direction:row!important;width:100%!important;justify-content:flex-start!important;gap:8px!important;padding-left:48px!important}.gbht-reply-btn{width:100%!important}.gbht-thread-header{flex-wrap:wrap!important;gap:8px!important}}@media(max-width:540px){.gbht-date-inputs{flex-direction:column!important;align-items:stretch!important}.gbht-date-inputs input{width:100%!important}}@media(max-width:480px){.gbht-login-card{padding:24px!important;border-radius:10px!important}}