/* SỬA CHỮA V1.6.1 DESKTOP — Apple-inspired desktop presentation only.
   AppShell viewport and sidebar geometry remain owned by responsive.css. */
@media (min-width:1100px){
  .desktop-mode{
    --d-bg:#1d1d1f;--d-black:#000;--d-card:#101012;--d-fill:#2c2c2e;
    --d-fill-2:#242426;--d-text:#f5f5f7;--d-sub:#a1a1a6;
    --d-line:rgba(255,255,255,.11);--d-blue:#2997ff;--d-green:#30d158;
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",Arial,sans-serif;
    color:var(--d-text);
  }

  /* Clean chrome: no build/debug copy visible in the staff workspace. */
  .desktop-mode .build-badge,
  .desktop-mode .desktop-sidebar-foot,
  .desktop-mode .desktop-shortcut-hint{display:none!important}
  .desktop-mode .desktop-brand{position:absolute;left:20px;right:16px;top:24px;display:flex;align-items:center;gap:12px;pointer-events:none}
  .desktop-mode .desktop-brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#1d1d1f;border:1px solid rgba(255,255,255,.16);color:#f5f5f7;font-size:11px;font-weight:750;letter-spacing:.01em}
  .desktop-mode .desktop-brand-copy strong{display:block;color:#f5f5f7;font-size:14px;line-height:1.15;font-weight:650;letter-spacing:-.01em}
  .desktop-mode .desktop-brand-copy span{display:block;margin-top:3px;color:#86868b;font-size:11px;line-height:1.2}
  .desktop-mode .tabs{overflow:visible}
  .desktop-mode .tab{color:#c7c7cc;transition:background-color .18s ease,color .18s ease,transform .18s ease}
  .desktop-mode .tab:hover{background:#1d1d1f;color:#fff;filter:none}
  .desktop-mode .tab.on{background:#f5f5f7!important;color:#1d1d1f!important;border-color:transparent!important;box-shadow:none!important}
  .desktop-mode .tab.on i,.desktop-mode .tab.on span{color:#1d1d1f}

  /* Apple-like typography rhythm. */
  .desktop-mode .head{margin:0 0 26px}
  .desktop-mode .head .title{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,sans-serif;font-size:44px;line-height:1.04;letter-spacing:-.035em;font-weight:700}
  .desktop-mode .head .avatar{width:40px;height:40px;border-radius:50%;background:#2c2c2e;border:1px solid rgba(255,255,255,.12);box-shadow:none;font-size:12px}
  .desktop-mode .eyebrow{font-size:12px;letter-spacing:.08em;color:#86868b}
  .desktop-mode .section h2{font-size:24px;letter-spacing:-.025em;font-weight:650}
  .desktop-mode .search{height:52px;max-width:none;margin-bottom:20px;padding:0 17px;gap:10px;border-radius:16px;background:#2c2c2e;border:0;box-shadow:none;color:#86868b}
  .desktop-mode .search input{font-size:16px;line-height:1.2;color:#f5f5f7}
  .desktop-mode .search input::placeholder{color:#86868b}
  .desktop-mode .search:focus-within{box-shadow:0 0 0 2px rgba(41,151,255,.72)}
  .desktop-mode .text-action{font-size:14px;color:#2997ff}

  /* Home: no oversized empty dashboard panel. */
  .desktop-mode .screen-home.active{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.55fr);grid-template-areas:"head head" "hero stats" "tickets tickets";grid-template-rows:auto auto auto;gap:24px;align-content:start}
  .desktop-mode .screen-home>.head{grid-area:head;margin-bottom:0}
  .desktop-mode .screen-home>.repair-hero{grid-area:hero;min-height:220px!important;margin:0!important;padding:30px!important;justify-content:flex-end!important;border-radius:28px;background:radial-gradient(circle at 72% 36%,rgba(41,151,255,.22),transparent 28%),radial-gradient(circle at 92% 82%,rgba(191,90,242,.18),transparent 34%),#000!important;box-shadow:none!important;border:0!important}
  .desktop-mode .screen-home>.repair-hero p{max-width:620px;margin:0 0 22px!important;color:#f5f5f7!important;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,sans-serif;font-size:30px!important;line-height:1.08!important;font-weight:650!important;letter-spacing:-.03em!important}
  .desktop-mode .screen-home .hero-actions{gap:10px}
  .desktop-mode .screen-home .hero-actions .btn{min-height:44px;padding:10px 19px;border-radius:999px;background:#f5f5f7;color:#1d1d1f;box-shadow:none;font-size:14px;font-weight:650}
  .desktop-mode .screen-home .hero-actions .btn-ghost{background:#2c2c2e;color:#f5f5f7;border:0}
  .desktop-mode .screen-home>.stat-grid{grid-area:stats;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-self:stretch}
  .desktop-mode .screen-home .stat-card{min-height:104px;padding:16px;border-radius:22px;background:#000!important;border:0!important;box-shadow:none!important}
  .desktop-mode .screen-home .stat-icon{width:32px;height:32px;border-radius:10px}
  .desktop-mode .screen-home .stat-value{font-size:28px}
  .desktop-mode .screen-home .stat-label{font-size:14px}
  .desktop-mode .screen-home>.section{grid-area:tickets;margin:6px 0 0;padding:0;background:transparent;border:0;box-shadow:none}
  .desktop-mode .screen-home .section-heading{margin-bottom:14px}.desktop-mode .screen-home .section-heading h2{margin:0}
  .desktop-mode #homeTicketList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .desktop-mode #homeTicketList .ticket-card{margin:0!important;background:#000!important;border:0!important;border-radius:22px!important;box-shadow:none!important;padding:17px 18px!important}

  /* Quote: one clear step at a time; click a top card to reveal that step. */
  .desktop-mode .screen-quote.active{display:block}
  .desktop-mode .screen-quote>.head{margin-bottom:22px}
  .desktop-mode .screen-quote>.search{margin-bottom:16px}
  .desktop-mode .screen-quote>.quote-stepper{display:none!important}
  .desktop-mode .desktop-quote-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 18px}
  .desktop-mode .desktop-quote-nav button{min-height:78px;padding:14px 17px;display:grid;grid-template-columns:auto 1fr;grid-template-areas:"num title" "num summary";align-items:center;column-gap:12px;border:1px solid rgba(255,255,255,.10);border-radius:20px;background:#000;color:#f5f5f7;text-align:left;box-shadow:none;transition:background-color .18s ease,border-color .18s ease,transform .18s ease}
  .desktop-mode .desktop-quote-nav button:hover{background:#151517;filter:none}
  .desktop-mode .desktop-quote-nav button.on{background:#f5f5f7;color:#1d1d1f;border-color:#f5f5f7}
  .desktop-mode .desktop-quote-nav .dq-num{grid-area:num;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#2c2c2e;color:#f5f5f7;font-size:12px;font-weight:700}
  .desktop-mode .desktop-quote-nav button.on .dq-num{background:#1d1d1f;color:#f5f5f7}
  .desktop-mode .desktop-quote-nav strong{grid-area:title;align-self:end;font-size:17px;line-height:1.15;font-weight:650;letter-spacing:-.015em}
  .desktop-mode .desktop-quote-nav small{grid-area:summary;align-self:start;margin-top:4px;color:#86868b;font-size:12px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .desktop-mode .desktop-quote-nav button.on small{color:#6e6e73}

  .desktop-mode .screen-quote>.quote-stage{display:none!important;min-width:0;min-height:460px;max-height:calc(100dvh - 286px);padding:24px 26px;border-radius:28px;background:#000;border:0;box-shadow:none;overflow:hidden;animation:none}
  .desktop-mode .screen-quote>.quote-stage.desktop-stage-active{display:block!important}
  .desktop-mode .screen-quote>.quote-stage::before{display:none!important}
  .desktop-mode #quoteInlineModelToggle{display:none!important}
  .desktop-mode .quote-model-inline-collapsed>.quote-summary{display:flex!important}.desktop-mode .quote-model-inline-collapsed>#seriesNav{display:flex!important}.desktop-mode .quote-model-inline-collapsed>#modelList{display:grid!important}
  .desktop-mode .screen-quote .quote-summary{margin:0 0 15px;color:#86868b;font-size:13px}.desktop-mode .screen-quote .quote-summary strong{font-size:22px;color:#f5f5f7;font-weight:650;letter-spacing:-.02em}
  .desktop-mode .screen-quote .series-nav{display:flex;flex-wrap:wrap;gap:8px;overflow:visible;padding:0 0 16px}
  .desktop-mode .series-btn{min-height:36px;padding:8px 13px;border:0;border-radius:999px;background:#2c2c2e;color:#f5f5f7;font-size:13px;font-weight:550}
  .desktop-mode .series-btn.on{background:#f5f5f7;color:#1d1d1f;box-shadow:none}
  .desktop-mode #modelList.app-scroll-region{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:6px 18px;max-height:calc(100dvh - 410px);overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:#48484a transparent}
  .desktop-mode #issueList.app-scroll-region,.desktop-mode #optionList.app-scroll-region{max-height:calc(100dvh - 360px);overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:#48484a transparent}
  .desktop-mode #modelList::-webkit-scrollbar,.desktop-mode #issueList::-webkit-scrollbar,.desktop-mode #optionList::-webkit-scrollbar{width:6px}.desktop-mode #modelList::-webkit-scrollbar-thumb,.desktop-mode #issueList::-webkit-scrollbar-thumb,.desktop-mode #optionList::-webkit-scrollbar-thumb{background:#48484a;border-radius:9px}
  .desktop-mode .model-row{min-height:64px;padding:9px 10px;border:0;border-radius:14px;background:#1d1d1f;grid-template-columns:38px minmax(0,1fr) 18px;gap:11px;margin:0}
  .desktop-mode .model-row:hover{background:#2c2c2e;filter:none}
  .desktop-mode .model-icon{width:38px;height:38px;border-radius:11px;background:#2c2c2e;border:0;font-size:18px}
  .desktop-mode .model-row strong{font-size:15px;line-height:1.15;font-weight:620}.desktop-mode .model-row small{margin-top:4px;color:#86868b;font-size:11px;line-height:1.2}.desktop-mode .model-row.no-price small{color:#b8b8bd}.desktop-mode .model-row i{font-size:18px;color:#6e6e73}
  .desktop-mode .selection-banner{min-height:48px;margin:0 0 16px;padding:11px 14px;border:0;border-radius:16px;background:#1d1d1f;box-shadow:none}.desktop-mode .selection-banner span{color:#86868b;font-size:12px}.desktop-mode .selection-banner strong{font-size:14px;font-weight:600}.desktop-mode .selection-banner.desktop-empty-selection{display:none!important}
  .desktop-mode .issue-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-content:start}
  .desktop-mode .issue-card{min-height:126px;padding:15px;border:0;border-radius:18px;background:#1d1d1f;color:#f5f5f7;box-shadow:none}.desktop-mode .issue-card:hover{background:#2c2c2e;filter:none;transform:none}.desktop-mode .issue-icon{width:34px;height:34px;border-radius:10px;background:#2c2c2e}.desktop-mode .issue-card strong{font-size:16px;font-weight:620}.desktop-mode .issue-card small{font-size:12px;line-height:1.35;color:#a1a1a6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.desktop-mode .issue-card em{margin-top:9px;color:#86868b;font-size:10px}
  .desktop-mode .option-intro{margin:0 0 14px}.desktop-mode .option-intro strong{font-size:22px;font-weight:650;letter-spacing:-.02em}.desktop-mode .option-intro span{display:none}
  .desktop-mode #optionList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start}
  .desktop-mode .repair-option{margin:0;padding:16px 17px;border:0;border-radius:18px;background:#1d1d1f;box-shadow:none}.desktop-mode .repair-option:hover{background:#2c2c2e;filter:none}.desktop-mode .repair-option-top strong{font-size:16px;font-weight:620}.desktop-mode .repair-option-top small{font-size:12px;color:#a1a1a6}.desktop-mode .repair-option-top b{font-size:17px;color:#30d158}.desktop-mode .repair-meta{gap:6px}.desktop-mode .repair-meta span{background:#2c2c2e;color:#c7c7cc}.desktop-mode .repair-option p{display:none!important}

  /* Intake: calm two-column form with neutral Apple surfaces. */
  .desktop-mode .screen-intake.active{display:block}.desktop-mode .screen-intake>.head{margin-bottom:22px}.desktop-mode .screen-intake>.intake-note{max-width:none;margin-bottom:16px;border:0;border-radius:18px;background:#000;box-shadow:none}
  .desktop-mode #intakeForm{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr);grid-template-rows:auto auto auto;gap:16px 20px;align-items:start}
  .desktop-mode #intakeForm>.customer-card{grid-column:1;grid-row:1}.desktop-mode #intakeForm>.device-card{grid-column:1;grid-row:2 / span 2}.desktop-mode #intakeForm>.estimate-card{grid-column:2;grid-row:1 / span 2;position:sticky;top:0}.desktop-mode #intakeForm>.create-ticket-wrap{grid-column:2;grid-row:3;margin:0;position:sticky;bottom:0;padding:14px 0 0;background:linear-gradient(180deg,transparent,#1d1d1f 38%)}
  .desktop-mode .form-card{padding:22px 24px;border:0;border-radius:24px;margin:0;background:#000;box-shadow:none}.desktop-mode .form-section-title{margin-bottom:15px}.desktop-mode .form-section-title span{font-size:13px;letter-spacing:.04em;font-weight:650}.desktop-mode .form-section-title small{color:#86868b;font-size:12px}.desktop-mode .field{margin-top:13px}.desktop-mode .field>span{margin-bottom:8px;color:#d2d2d7;font-size:14px;font-weight:520}.desktop-mode .field input,.desktop-mode .field textarea,.desktop-mode .field select{min-height:48px;padding:12px 14px;border:0;border-radius:14px;background:#2c2c2e;color:#f5f5f7;font-size:15px;box-shadow:none}.desktop-mode .field textarea{min-height:88px}.desktop-mode .field input:focus,.desktop-mode .field textarea:focus,.desktop-mode .field select:focus{box-shadow:0 0 0 2px rgba(41,151,255,.72)}
  .desktop-mode .price-mode-btn{border:0;background:#2c2c2e}.desktop-mode .price-mode-btn.on{background:#f5f5f7;color:#1d1d1f;box-shadow:none}
  .desktop-mode #intakeForm>.create-ticket-wrap .create-ticket{width:100%;min-height:50px;border-radius:999px;background:#0071e3;font-size:15px;box-shadow:none}

  /* Tickets: master/detail like a familiar desktop app; filters wrap instead of clipping. */
  .desktop-mode .screen-tickets.active{display:block;position:absolute}
  .desktop-mode .screen-tickets>.head,.desktop-mode .screen-tickets>.search,.desktop-mode .screen-tickets>.search-hint,.desktop-mode .screen-tickets>.ticket-filter,.desktop-mode .screen-tickets>.ticket-summary,.desktop-mode .screen-tickets>#ticketList{width:44%;min-width:390px;max-width:640px}
  .desktop-mode .screen-tickets>.head{margin-bottom:22px}.desktop-mode .screen-tickets>.search{max-width:640px;margin-bottom:10px}.desktop-mode .screen-tickets>.search-hint{margin:0 2px 15px;color:#86868b;font-size:12px}
  .desktop-mode .screen-tickets>.ticket-filter{display:flex;flex-wrap:wrap;gap:8px;overflow:visible;padding:0 0 14px}
  .desktop-mode .filter-chip{min-height:36px;padding:8px 13px;border:0;border-radius:999px;background:#2c2c2e;color:#f5f5f7;font-size:13px;font-weight:550}.desktop-mode .filter-chip.on{background:#f5f5f7;color:#1d1d1f;box-shadow:none}
  .desktop-mode .screen-tickets>.ticket-summary{margin:0 2px 12px}.desktop-mode .ticket-summary strong{font-size:15px}.desktop-mode .ticket-summary span{color:#86868b}
  .desktop-mode .screen-tickets>#ticketList.app-scroll-region{max-height:calc(100dvh - 300px);height:auto;overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:#48484a transparent}
  .desktop-mode .screen-tickets .ticket-card{margin-bottom:9px!important;padding:15px 16px!important;border-radius:18px!important;background:#000!important;box-shadow:none!important;border:1px solid transparent!important;transition:background-color .16s ease,border-color .16s ease}
  .desktop-mode .screen-tickets .ticket-card:hover{background:#151517!important;border-color:rgba(255,255,255,.10)!important;transform:none;filter:none}
  .desktop-mode .screen-tickets .ticket-customer{font-size:16px!important}.desktop-mode .screen-tickets .ticket-phone-number{font-size:13px!important}.desktop-mode .screen-tickets .ticket-copy-phone{width:26px!important;height:26px!important;border-radius:9px!important}.desktop-mode .screen-tickets .ticket-model{font-size:13px!important}.desktop-mode .screen-tickets .ticket-scan-issue{font-size:12px!important;margin-top:8px!important}.desktop-mode .screen-tickets .ticket-scan-price{margin-top:9px!important;padding:9px 11px!important;border-radius:12px!important;background:rgba(48,209,88,.08)!important}.desktop-mode .screen-tickets .ticket-scan-price strong{font-size:15px!important}.desktop-mode .screen-tickets .ticket-scan-meta{margin-top:9px!important;padding-top:9px!important;font-size:10px!important}.desktop-mode .screen-tickets .status-pill{font-size:11px!important}
  .desktop-mode .status-pill::before{margin-right:6px!important}
  .desktop-mode .desktop-ticket-placeholder{position:absolute;left:calc(44% + 78px);right:0;top:92px;bottom:0;display:grid;place-items:center;padding:36px;border-radius:28px;background:#000;border:0;text-align:center;color:#86868b}
  .desktop-mode .desktop-ticket-placeholder-inner{max-width:320px}.desktop-mode .desktop-ticket-placeholder strong{display:block;color:#f5f5f7;font-size:22px;line-height:1.1;font-weight:650;letter-spacing:-.02em}.desktop-mode .desktop-ticket-placeholder span{display:block;margin-top:10px;font-size:13px;line-height:1.45}
  .desktop-mode.desktop-ticket-open .desktop-ticket-placeholder{display:none}
  .desktop-mode .ticket-detail.open,.desktop-mode .quote-detail.open{background:#000;border:0;box-shadow:0 24px 70px rgba(0,0,0,.36)}
  .desktop-mode .ticket-detail .detail-toolbar,.desktop-mode .quote-detail .detail-toolbar{background:linear-gradient(180deg,#000 68%,transparent);-webkit-backdrop-filter:none;backdrop-filter:none}
  .desktop-mode .ticket-detail h1,.desktop-mode .quote-detail h1{font-size:34px;line-height:1.05;letter-spacing:-.03em}
  .desktop-mode .detail-info-card,.desktop-mode .detail-note,.desktop-mode .edit-section,.desktop-mode .quote-result-card{background:#1d1d1f;border:0;box-shadow:none}

  /* Utilities. */
  .desktop-mode .screen-menu .section{max-width:800px}.desktop-mode .screen-menu .form-card{border-radius:24px;background:#000}
  .desktop-mode button{cursor:pointer}.desktop-mode button:focus-visible,.desktop-mode input:focus-visible,.desktop-mode textarea:focus-visible,.desktop-mode select:focus-visible{outline:2px solid rgba(41,151,255,.72);outline-offset:2px}
}

@media (min-width:1100px) and (max-width:1279px){
  .desktop-mode .head .title{font-size:40px}
  .desktop-mode .screen-home.active{grid-template-columns:minmax(0,1fr) minmax(280px,.58fr);gap:18px}
  .desktop-mode .screen-home>.repair-hero{min-height:200px!important;padding:24px!important}.desktop-mode .screen-home>.repair-hero p{font-size:26px!important}
  .desktop-mode .desktop-quote-nav{gap:9px}.desktop-mode .desktop-quote-nav button{padding:12px 14px}.desktop-mode .issue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.desktop-mode #optionList{grid-template-columns:1fr}
  .desktop-mode #intakeForm{grid-template-columns:minmax(0,1fr) minmax(320px,.76fr)}
  .desktop-mode .screen-tickets>.head,.desktop-mode .screen-tickets>.search,.desktop-mode .screen-tickets>.search-hint,.desktop-mode .screen-tickets>.ticket-filter,.desktop-mode .screen-tickets>.ticket-summary,.desktop-mode .screen-tickets>#ticketList{width:46%;min-width:360px}.desktop-mode .desktop-ticket-placeholder{left:calc(46% + 70px)}
}