/* ---------- Messages ---------- */
.dx-chat { display: grid; grid-template-columns: 300px 1fr; gap: 0; background: var(--color-snow); border-radius: var(--radius-card-lg); box-shadow: var(--shadow-md); overflow: hidden; height: calc(100vh - 150px); min-height: 480px; }
@media (max-width: 820px) { .dx-chat { grid-template-columns: 1fr; } .dx-chat__list { display: none; } }
.dx-chat__list { border-right: 1px solid var(--color-fog); display: flex; flex-direction: column; }
.dx-chat__search { padding: 16px; border-bottom: 1px solid var(--color-fog); }
.dx-chat__search .dx-search { width: 100%; }
.dx-thread { display: flex; gap: 12px; padding: 14px 16px; cursor: pointer; border-bottom: 1px solid var(--color-fog); transition: background 0.15s ease; }
.dx-thread:hover { background: var(--color-mist); }
.dx-thread.is-active { background: var(--color-mist); }
.dx-thread__av { width: 40px; height: 40px; border-radius: 50%; background: var(--color-obsidian); color: var(--color-snow); display: grid; place-items: center; font-weight: 600; font-size: 14px; flex-shrink: 0; }
.dx-thread__main { flex: 1; min-width: 0; }
.dx-thread__name { font-size: 14px; font-weight: 600; color: var(--color-obsidian); display: flex; justify-content: space-between; }
.dx-thread__name span { font-size: 11.5px; color: var(--color-ash); font-weight: 400; }
.dx-thread__snippet { font-size: 13px; color: var(--color-steel); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.dx-thread__unread { width: 8px; height: 8px; border-radius: 50%; background: var(--color-ember); flex-shrink: 0; align-self: center; }

.dx-conv { display: flex; flex-direction: column; min-width: 0; }
.dx-conv__head { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--color-fog); }
.dx-conv__head .dx-thread__av { width: 38px; height: 38px; }
.dx-conv__body { flex: 1; overflow-y: auto; padding: 24px 20px; display: flex; flex-direction: column; gap: 14px; background: var(--color-mist); }
.dx-msg { max-width: 76%; }
.dx-msg__bubble { padding: 12px 16px; border-radius: 18px; font-size: 14px; line-height: 1.5; }
.dx-msg__time { font-size: 11px; color: var(--color-ash); margin-top: 5px; padding: 0 6px; }
.dx-msg--them { align-self: flex-start; }
.dx-msg--them .dx-msg__bubble { background: var(--color-snow); color: var(--color-ink); border-bottom-left-radius: 5px; box-shadow: var(--shadow-md); }
.dx-msg--me { align-self: flex-end; }
.dx-msg--me .dx-msg__bubble { background: var(--color-obsidian); color: var(--color-snow); border-bottom-right-radius: 5px; }
.dx-msg--me .dx-msg__time { text-align: right; }
.dx-msg__day { align-self: center; font-size: 12px; color: var(--color-steel); background: var(--color-fog); padding: 4px 12px; border-radius: var(--radius-pill); }
.dx-conv__compose { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-top: 1px solid var(--color-fog); }
.dx-conv__compose input { flex: 1; border: 0; background: var(--color-mist); border-radius: var(--radius-pill); padding: 12px 18px; font-size: 14px; color: var(--color-ink); outline: none; box-shadow: inset 0 0 0 1px transparent; }
.dx-conv__compose input:focus { box-shadow: inset 0 0 0 1.5px var(--color-pebble); }
.dx-send { width: 44px; height: 44px; border-radius: 50%; background: var(--color-obsidian); color: var(--color-snow); display: grid; place-items: center; flex-shrink: 0; cursor: pointer; }

/* ---------- Referral ---------- */
.dx-ref-hero { background: var(--color-obsidian); color: var(--color-snow); border-radius: var(--radius-card-lg); padding: 40px; position: relative; overflow: hidden; }
.dx-ref-hero::after { content: ""; position: absolute; width: 320px; height: 320px; right: -120px; top: -120px; background: radial-gradient(closest-side, rgba(16,185,129,0.25), transparent 70%); }
.dx-ref-hero > * { position: relative; }
.dx-ref-code { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.1); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2); border-radius: var(--radius-pill); padding: 8px 8px 8px 20px; max-width: 380px; }
.dx-ref-code code { flex: 1; font-family: var(--font-mono); font-size: 16px; color: var(--color-snow); letter-spacing: 0.05em; }

/* ---------- Services / offers ---------- */
.dx-offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .dx-offers { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .dx-offers { grid-template-columns: 1fr; } }
.dx-offer { background: var(--color-snow); border-radius: var(--radius-card-lg); padding: 22px; box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 12px; }
.dx-offer__icon { width: 40px; height: 40px; border-radius: 12px; background: var(--color-mist); display: grid; place-items: center; color: var(--color-obsidian); }
.dx-offer__name { font-size: 16px; font-weight: 600; color: var(--color-obsidian); }
.dx-offer__desc { font-size: 13.5px; color: var(--color-steel); line-height: 1.5; flex: 1; }
.dx-offer__price { font-size: 13px; color: var(--color-steel); }
.dx-offer__price b { font-size: 20px; font-weight: 700; color: var(--color-obsidian); letter-spacing: -0.01em; }

/* ---------- Settings ---------- */
.dx-settings { display: grid; grid-template-columns: 200px 1fr; gap: 28px; }
@media (max-width: 760px) { .dx-settings { grid-template-columns: 1fr; } }
.dx-settabs { display: flex; flex-direction: column; gap: 2px; position: sticky; top: 90px; align-self: start; }
@media (max-width: 760px) { .dx-settabs { flex-direction: row; flex-wrap: wrap; position: static; } }
.dx-settab { padding: 10px 14px; border-radius: 12px; font-size: 14px; font-weight: 500; color: var(--color-graphite); cursor: pointer; }
.dx-settab.is-active { background: var(--color-snow); color: var(--color-obsidian); box-shadow: var(--shadow-md); }
.dx-setrow { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; border-top: 1px solid var(--color-fog); }
.dx-setrow:first-child { border-top: 0; }
.dx-setrow__label { font-size: 14.5px; font-weight: 500; color: var(--color-obsidian); }
.dx-setrow__hint { font-size: 13px; color: var(--color-steel); margin-top: 2px; }
.dx-toggle { width: 44px; height: 26px; border-radius: var(--radius-pill); background: var(--color-pebble); position: relative; cursor: pointer; transition: background 0.2s ease; flex-shrink: 0; }
.dx-toggle.on { background: var(--color-obsidian); }
.dx-toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--color-snow); transition: transform 0.2s ease; }
.dx-toggle.on::after { transform: translateX(18px); }
.dx-setfield { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.dx-setfield label { font-size: 13px; font-weight: 500; color: var(--color-graphite); }
.dx-setfield input, .dx-setfield select { border: 0; background: var(--color-mist); border-radius: var(--radius-input); padding: 12px 14px; font-size: 14px; color: var(--color-ink); outline: none; box-shadow: inset 0 0 0 1px transparent; }
.dx-setfield input:focus, .dx-setfield select:focus { background: var(--color-snow); box-shadow: inset 0 0 0 1.5px var(--color-obsidian); }
.dx-setgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .dx-setgrid { grid-template-columns: 1fr; } }