.addon-shell { --addon-ink: #261f16; --addon-line: #d9cbb5; --addon-gold: #946e2c; background: #fffdf9; border: 1px solid var(--addon-line); padding: clamp(16px, 3vw, 32px); color: var(--addon-ink); }
.addon-shell *, .addon-shell *::before, .addon-shell *::after { box-sizing: border-box; }
.addon-shell h2 { margin: 0 0 8px; font-size: clamp(26px, 3vw, 36px); }
.addon-shell p { line-height: 1.55; }
.addon-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.addon-heading p { margin: 0; max-width: 740px; }
.addon-shell button { border: 1px solid var(--addon-line); border-radius: 0; background: #fffdf9; color: var(--addon-ink); font: inherit; font-weight: 650; padding: 12px 16px; min-height: 44px; cursor: pointer; overflow-wrap: anywhere; }
.addon-heading > button { flex-shrink: 0; }
.addon-shell button:disabled { opacity: .55; cursor: wait; }
.addon-shell :focus-visible { outline: 3px solid #946e2c; outline-offset: 3px; }
.addon-feedback { min-height: 24px; margin: 20px 0; overflow-wrap: anywhere; }
.addon-feedback:empty { min-height: 0; margin: 12px 0; }
.addon-error { color: #a12222; border-left: 4px solid #a12222; padding: 12px; background: #fff1ed; }
.addon-layout { display: grid; grid-template-columns: minmax(210px, .8fr) minmax(0, 1.8fr); gap: 24px; align-items: start; }
.addon-directory { display: grid; gap: 10px; min-width: 0; }
.addon-item { display: grid; text-align: left; gap: 5px; width: 100%; }
.addon-item span, .addon-item small { font-weight: 400; }
.addon-item.is-current { border-color: var(--addon-gold); background: #f5ecd9; }
.addon-shell form, .addon-shell fieldset { min-width: 0; margin: 0; }
.addon-shell fieldset { border: 1px solid var(--addon-line); padding: 18px; }
.addon-shell legend { font-weight: 700; padding: 0 7px; font-size: 18px; }
.addon-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.addon-shell label { display: grid; gap: 8px; font-weight: 600; min-width: 0; }
.addon-shell input:not([type="checkbox"]) { width: 100%; min-width: 0; min-height: 46px; padding: 10px 12px; border: 1px solid #bcae95; border-radius: 0; background: white; color: var(--addon-ink); font: inherit; font-size: 16px; }
.addon-shell input[readonly] { background: #f3f0e8; }
.addon-shell small { font-weight: 400; line-height: 1.5; overflow-wrap: anywhere; }
.addon-toggles { display: grid; gap: 12px; margin-top: 22px; }
.addon-toggles label, .addon-service-list label { display: flex; align-items: flex-start; gap: 12px; line-height: 1.5; }
.addon-shell input[type="checkbox"] { flex: 0 0 auto; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--addon-gold); }
.addon-note { font-size: 14px; padding: 14px; background: #f4f0e6; line-height: 1.6; overflow-wrap: anywhere; }
.addon-shell .addon-compatibility { margin: 22px 0; }
.addon-service-list { max-height: 330px; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--addon-line); margin-bottom: 12px; }
.addon-service-list label { padding: 12px; border-bottom: 1px solid var(--addon-line); font-weight: 400; min-height: 48px; }
.addon-service-list label:last-child { border-bottom: 0; }
.addon-service-list span { display: grid; gap: 3px; min-width: 0; overflow-wrap: anywhere; }
.addon-shell [hidden] { display: none !important; }
.addon-form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.addon-form-actions button[type="submit"] { background: #261f16; color: white; border-color: #261f16; }
@media (max-width: 800px) { .addon-layout { grid-template-columns: minmax(0, 1fr); } .addon-directory { max-height: 290px; overflow: auto; } }
@media (max-width: 520px) { .addon-heading { flex-direction: column; } .addon-fields { grid-template-columns: minmax(0, 1fr); } .addon-shell fieldset { padding: 12px; } .addon-form-actions button { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .addon-shell *, .addon-shell *::before, .addon-shell *::after { scroll-behavior: auto !important; transition: none !important; } }