/* Message colours for imported MyBB styles. Uses the same structure as Black, with per-style palettes. */
html[data-iac-style="calm"],
body[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="calm"]{
  --ia-mybb-shell:#edf5f0;
  --ia-mybb-panel:#edf5f0;
  --ia-mybb-surface:#dceadf;
  --ia-mybb-surface-2:#f6fbf7;
  --ia-mybb-border:#a8c0b1;
  --ia-mybb-text:#1f3429;
  --ia-mybb-muted:#486153;
  --ia-mybb-link:#48715b;
  --ia-mybb-header-top:#5f8a72;
  --ia-mybb-header-bottom:#385947;
  --ia-mybb-header-border:#263c30;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#4b755e;
  --ia-mybb-topbar-bottom:#304d3d;
  --ia-mybb-topbar-border:#263c30;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#385947;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="dawn"],
body[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="dawn"]{
  --ia-mybb-shell:#fff5ec;
  --ia-mybb-panel:#fff5ec;
  --ia-mybb-surface:#ffe7d1;
  --ia-mybb-surface-2:#fff9f4;
  --ia-mybb-border:#efc19f;
  --ia-mybb-text:#5e3419;
  --ia-mybb-muted:#87593b;
  --ia-mybb-link:#d56c2c;
  --ia-mybb-header-top:#f0a66a;
  --ia-mybb-header-bottom:#d56c2c;
  --ia-mybb-header-border:#9a4e20;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#ec8b49;
  --ia-mybb-topbar-bottom:#b15723;
  --ia-mybb-topbar-border:#9a4e20;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#d56c2c;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="earth"],
body[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="earth"]{
  --ia-mybb-shell:#f4ede7;
  --ia-mybb-panel:#f4ede7;
  --ia-mybb-surface:#e7d8cd;
  --ia-mybb-surface-2:#faf6f2;
  --ia-mybb-border:#c5ae9d;
  --ia-mybb-text:#332821;
  --ia-mybb-muted:#665448;
  --ia-mybb-link:#6d5545;
  --ia-mybb-header-top:#876a57;
  --ia-mybb-header-bottom:#4a3b2f;
  --ia-mybb-header-border:#31261e;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#715949;
  --ia-mybb-topbar-bottom:#43342a;
  --ia-mybb-topbar-border:#31261e;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#4a3b2f;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="flame"],
body[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="flame"]{
  --ia-mybb-shell:#fff0f0;
  --ia-mybb-panel:#fff0f0;
  --ia-mybb-surface:#f7d9d9;
  --ia-mybb-surface-2:#fff7f7;
  --ia-mybb-border:#d8aaaa;
  --ia-mybb-text:#3d1717;
  --ia-mybb-muted:#7a4a4a;
  --ia-mybb-link:#a20000;
  --ia-mybb-header-top:#b14a4a;
  --ia-mybb-header-bottom:#750000;
  --ia-mybb-header-border:#550000;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#962121;
  --ia-mybb-topbar-bottom:#630000;
  --ia-mybb-topbar-border:#550000;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#750000;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="leaf"],
body[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="leaf"]{
  --ia-mybb-shell:#f2faee;
  --ia-mybb-panel:#f2faee;
  --ia-mybb-surface:#e0eed8;
  --ia-mybb-surface-2:#f8fcf6;
  --ia-mybb-border:#b6d1aa;
  --ia-mybb-text:#23361d;
  --ia-mybb-muted:#4b6644;
  --ia-mybb-link:#5aaf33;
  --ia-mybb-header-top:#77be58;
  --ia-mybb-header-bottom:#386e21;
  --ia-mybb-header-border:#234615;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#5d993e;
  --ia-mybb-topbar-bottom:#2f5d1c;
  --ia-mybb-topbar-border:#234615;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#386e21;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="night"],
body[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="night"]{
  --ia-mybb-shell:#edf3f8;
  --ia-mybb-panel:#edf3f8;
  --ia-mybb-surface:#d8e4ef;
  --ia-mybb-surface-2:#f5f9fc;
  --ia-mybb-border:#aac0d3;
  --ia-mybb-text:#162735;
  --ia-mybb-muted:#425666;
  --ia-mybb-link:#023a61;
  --ia-mybb-header-top:#335e7d;
  --ia-mybb-header-bottom:#022338;
  --ia-mybb-header-border:#011929;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#20425a;
  --ia-mybb-topbar-bottom:#011d2f;
  --ia-mybb-topbar-border:#011929;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#022338;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="sun"],
body[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="sun"]{
  --ia-mybb-shell:#fff9e1;
  --ia-mybb-panel:#fff9e1;
  --ia-mybb-surface:#ffefb5;
  --ia-mybb-surface-2:#fffdf1;
  --ia-mybb-border:#e5ca6e;
  --ia-mybb-text:#3d3207;
  --ia-mybb-muted:#6f5a12;
  --ia-mybb-link:#555555;
  --ia-mybb-header-top:#fff0a6;
  --ia-mybb-header-bottom:#ffdd4d;
  --ia-mybb-header-border:#ffaf1a;
  --ia-mybb-header-text:#2a2200;
  --ia-mybb-topbar-top:#ffe77e;
  --ia-mybb-topbar-bottom:#ffc935;
  --ia-mybb-topbar-border:#ffaf1a;
  --ia-mybb-topbar-text:#2a2200;
  --ia-mybb-active-bg:#ffdd4d;
  --ia-mybb-active-text:#2a2200;
}

html[data-iac-style="twilight"],
body[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="twilight"]{
  --ia-mybb-shell:#eef3f6;
  --ia-mybb-panel:#eef3f6;
  --ia-mybb-surface:#dae4ea;
  --ia-mybb-surface-2:#f7fafb;
  --ia-mybb-border:#b1c1cb;
  --ia-mybb-text:#23333d;
  --ia-mybb-muted:#536572;
  --ia-mybb-link:#426276;
  --ia-mybb-header-top:#5e7d91;
  --ia-mybb-header-bottom:#273a46;
  --ia-mybb-header-border:#1d2b34;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#496578;
  --ia-mybb-topbar-bottom:#233540;
  --ia-mybb-topbar-border:#1d2b34;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#273a46;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="water"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="water"]{
  --ia-mybb-shell:#eef9f9;
  --ia-mybb-panel:#eef9f9;
  --ia-mybb-surface:#d8efef;
  --ia-mybb-surface-2:#f7fcfc;
  --ia-mybb-border:#acd1d1;
  --ia-mybb-text:#1f3434;
  --ia-mybb-muted:#4b7070;
  --ia-mybb-link:#2d9595;
  --ia-mybb-header-top:#5ca7a7;
  --ia-mybb-header-bottom:#1e6365;
  --ia-mybb-header-border:#133f41;
  --ia-mybb-header-text:#ffffff;
  --ia-mybb-topbar-top:#418c8c;
  --ia-mybb-topbar-bottom:#174f51;
  --ia-mybb-topbar-border:#133f41;
  --ia-mybb-topbar-text:#ffffff;
  --ia-mybb-active-bg:#1e6365;
  --ia-mybb-active-text:#ffffff;
}

html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell{ background:var(--ia-mybb-shell); border-color:var(--ia-mybb-border); color:var(--ia-mybb-text); box-shadow:0 18px 60px rgba(0,0,0,0.12); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-left,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-main{ background:var(--ia-mybb-panel); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-left{ border-right-color:var(--ia-mybb-border); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-left-head,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-main-head{ background:linear-gradient(180deg,var(--ia-mybb-header-top),var(--ia-mybb-header-bottom)); border-bottom-color:var(--ia-mybb-header-border); color:var(--ia-mybb-header-text); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-title,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-threadname{ color:var(--ia-mybb-header-text); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-search,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-composer{ background:var(--ia-mybb-panel); border-top-color:var(--ia-mybb-border); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-search-input,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
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html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-empty{ color:var(--ia-mybb-muted); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-replybtn,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-fwdbtn,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-upload,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-btn{ background:var(--ia-mybb-surface-2); color:var(--ia-mybb-text); border-color:var(--ia-mybb-border); box-shadow:none; }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-shell .ia-msg-send{ background:var(--ia-mybb-active-bg); color:var(--ia-mybb-active-text); border-color:var(--ia-mybb-header-border); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-sheet,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-sheet-card,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-group-browse,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-members-list,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-invite-card,
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-suggest{ background:var(--ia-mybb-panel); border-color:var(--ia-mybb-border); color:var(--ia-mybb-text); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-sheet-head{ background:linear-gradient(180deg,var(--ia-mybb-header-top),var(--ia-mybb-header-bottom)); border-bottom-color:var(--ia-mybb-header-border); color:var(--ia-mybb-header-text); }
html[data-iac-style="calm"],
html[data-iac-style="dawn"],
html[data-iac-style="earth"],
html[data-iac-style="flame"],
html[data-iac-style="leaf"],
html[data-iac-style="night"],
html[data-iac-style="sun"],
html[data-iac-style="twilight"],
html[data-iac-style="water"],
body[data-iac-style="calm"],
body[data-iac-style="dawn"],
body[data-iac-style="earth"],
body[data-iac-style="flame"],
body[data-iac-style="leaf"],
body[data-iac-style="night"],
body[data-iac-style="sun"],
body[data-iac-style="twilight"],
body[data-iac-style="water"],
#ia-atrium-shell[data-iac-style="calm"],
#ia-atrium-shell[data-iac-style="dawn"],
#ia-atrium-shell[data-iac-style="earth"],
#ia-atrium-shell[data-iac-style="flame"],
#ia-atrium-shell[data-iac-style="leaf"],
#ia-atrium-shell[data-iac-style="night"],
#ia-atrium-shell[data-iac-style="sun"],
#ia-atrium-shell[data-iac-style="twilight"],
#ia-atrium-shell[data-iac-style="water"] .ia-msg-tab.is-on{ background:var(--ia-mybb-active-bg); color:var(--ia-mybb-active-text); }


/* 2026-04-06 repair: generic non-default/non-black ia-message application */
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell{
  --ia-bg0:var(--ia-mybb-shell);
  --ia-bg1:var(--ia-mybb-shell);
  --ia-bg2:var(--ia-mybb-panel);
  --ia-panel:var(--ia-mybb-panel);
  --ia-panel2:var(--ia-mybb-surface);
  --ia-line:color-mix(in srgb, var(--ia-mybb-border) 78%, transparent);
  --ia-line2:color-mix(in srgb, var(--ia-mybb-border) 92%, transparent);
  --ia-text:var(--ia-mybb-text);
  --ia-muted:var(--ia-mybb-muted);
  background:var(--ia-mybb-shell);
  border-color:var(--ia-mybb-border);
  box-shadow:0 14px 34px rgba(0,0,0,0.14);
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-sidebar,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-main,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-threadhead,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-compose,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-search,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-suggest,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-invite-card{
  background:var(--ia-mybb-panel);
  border-color:var(--ia-mybb-border);
  color:var(--ia-mybb-text);
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-threadhead,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-sheet-head{
  background:linear-gradient(180deg,var(--ia-mybb-header-top),var(--ia-mybb-header-bottom));
  border-color:var(--ia-mybb-header-border);
  color:var(--ia-mybb-header-text);
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-btn,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-search input,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-compose input,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-compose textarea{
  background:var(--ia-mybb-surface-2);
  border-color:var(--ia-mybb-border);
  color:var(--ia-mybb-text);
  box-shadow:none;
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-row:not(.is-active){ background:transparent; }
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-row.is-active{ background:var(--ia-mybb-surface); }
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-bubble:not(.mine){
  background:var(--ia-mybb-surface-2);
  border-color:var(--ia-mybb-border);
  color:var(--ia-mybb-text);
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-bubble.mine{
  background:linear-gradient(180deg,var(--ia-mybb-header-top),var(--ia-mybb-header-bottom));
  border-color:var(--ia-mybb-header-border);
  color:var(--ia-mybb-header-text);
}
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-bubble.mine .ia-msg-when{ color:color-mix(in srgb, var(--ia-mybb-header-text) 78%, transparent); }

/* 2026-04-06 hotfix: light-style composer input must override legacy dark textarea skin */
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell .ia-msg-composer{
  background: var(--ia-mybb-panel) !important;
  border-top-color: var(--ia-mybb-border) !important;
}

:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell .ia-msg-text,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-send-input],
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-slot="composer"]{
  background: var(--ia-mybb-surface-2) !important;
  color: var(--ia-mybb-text) !important;
  border-color: var(--ia-mybb-border) !important;
  box-shadow: none !important;
}

:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell .ia-msg-text::placeholder,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-send-input]::placeholder,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-slot="composer"]::placeholder{
  color: var(--ia-mybb-muted) !important;
}

:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell .ia-msg-text:focus,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-send-input]:focus,
:is(html, body, #ia-atrium-shell)[data-iac-style]:not([data-iac-style="default"]):not([data-iac-style="black"]) .ia-msg-shell textarea[data-ia-msg-slot="composer"]:focus{
  background: var(--ia-mybb-surface-2) !important;
  color: var(--ia-mybb-text) !important;
  border-color: color-mix(in srgb, var(--ia-mybb-link) 55%, var(--ia-mybb-border)) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ia-mybb-link) 18%, transparent) !important;
}