/* Purpose-built DKS interface assets. Motion accompanies a state change only. */
:root {
  --ui-ease: cubic-bezier(.2, .7, .25, 1);
  --ui-speed: 160ms;
  --skeleton-base: #ededeb;
  --skeleton-light: #f6f6f4;
}

/* DKS-red leads the icon set; charcoal supplies the small detail. */
.dks-icon { overflow: visible; stroke: var(--dks-icon-primary, var(--brand-red)); stroke-linecap: round; stroke-linejoin: round; }
.dks-icon .dks-icon-accent { stroke: var(--dks-icon-accent, var(--ink)); }
.btn-primary, .topbar, .assistant-header, .overview-promise, .green, .success, .warning, .done,
.result-state, .check-row, .toast, .mini-badge.green {
  --dks-icon-primary: currentColor;
  --dks-icon-accent: currentColor;
}

/* Controls retain the requested 2px corners, including new controls. */
button, .btn, .icon-btn, .chip { transition: background-color var(--ui-speed), border-color var(--ui-speed), color var(--ui-speed), box-shadow var(--ui-speed), transform var(--ui-speed) var(--ui-ease); }
.btn, .icon-btn, .chip, .modal-close, .demo-pill { border-radius: 2px; }
.btn:not(:disabled):active, .icon-btn:not(:disabled):active { transform: translateY(1px); }
.btn-primary:not(:disabled):hover { box-shadow: 0 2px 6px #5b151018; }
.btn-primary:not(:disabled):active { box-shadow: none; }
button:focus-visible, a:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--brand-red);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px #d12b2510;
}
.topbar button:focus-visible, .assistant-header button:focus-visible { outline-color: #fff; box-shadow: 0 0 0 5px #ffffff12; }
.search-wrap input:focus-visible { outline-offset: 2px; }
.case-card .case-icon, .mini-card .mini-icon { transition: color var(--ui-speed), background-color var(--ui-speed); }
.case-card:hover .case-icon, .mini-card:hover .mini-icon { color: var(--brand-red); }
.shipment-table tbody tr.is-selected td:first-child { box-shadow: inset 3px 0 var(--brand-red); }
.shipment-table tbody tr.just-updated { animation: dks-row-confirm 1.05s ease-out both; }
@keyframes dks-row-confirm { 0%, 25% { background-color: #e9f2eb; } 100% { background-color: transparent; } }
.shipment-table tbody tr.is-selected.just-updated { animation-name: dks-selected-row-confirm; }
@keyframes dks-selected-row-confirm { 0%, 25% { background-color: #e9f2eb; } 100% { background-color: #fff4f2; } }

/* The route motif makes a brief preparation state recognisable as DKS. */
.dks-loader { display: flex; align-items: center; gap: 13px; color: var(--brand-red); min-height: 42px; }
.dks-loader .dks-route-loader { display: block; flex: 0 0 auto; width: 108px; height: 38px; overflow: visible; }
.dks-loader-label { display: block; color: #555; font-size: 11px; font-weight: 500; line-height: 1.65; }
.dks-route-loader .route-line { stroke: #e1d9d7; stroke-dasharray: 4 4; }
.dks-route-loader .route-progress { stroke: var(--brand-red); stroke-dasharray: 130; stroke-dashoffset: 130; animation: dks-route-progress 1.65s ease-in-out infinite; }
.dks-route-loader .route-truck { animation: dks-truck-travel 1.65s ease-in-out infinite; }
.dks-route-loader .dks-parcel-body { fill: white; }
.dks-route-loader .route-stop-end { animation: dks-stop-arrival 1.65s ease-out infinite; }
@keyframes dks-route-progress { 0%, 8% { stroke-dashoffset: 130; opacity: .8; } 78%, 92% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes dks-truck-travel { 0%, 8% { transform: translate(18px, 34px); opacity: 0; } 15% { opacity: 1; } 39% { transform: translate(64px, 34px); } 56% { transform: translate(83px, 15px); } 78%, 92% { transform: translate(138px, 15px); opacity: 1; } 100% { transform: translate(138px, 15px); opacity: 0; } }
@keyframes dks-stop-arrival { 0%, 30%, 100% { opacity: .35; } 65%, 85% { opacity: 1; } }
.assistant-loading { padding: 20px; min-height: 530px; }
.assistant-loading > .dks-loader { padding-bottom: 19px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.assistant-panel.is-loading { cursor: progress; }
.dks-processing-note { display: flex; align-items: center; justify-content: center; gap: 8px; color: #686868; font-size: 10px; line-height: 1.65; margin: 11px 0 0; }

/* Three small parcels form a loader that fits an existing button footprint. */
.dks-button-loader { display: inline-flex; align-items: center; justify-content: center; gap: 3px; flex: 0 0 18px; width: 18px; height: 15px; vertical-align: middle; }
.dks-button-loader > span { display: block; width: 4px; height: 4px; border-radius: 1px; background: currentColor; opacity: .45; animation: dks-parcel-sequence 1.05s ease-in-out infinite; }
.dks-button-loader > span:nth-child(2) { animation-delay: .14s; }
.dks-button-loader > span:nth-child(3) { animation-delay: .28s; }
@keyframes dks-parcel-sequence { 0%, 70%, 100% { opacity: .4; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-2px); } }
button.is-processing, button.is-processing:disabled { opacity: 1; cursor: progress; pointer-events: none; transform: none; }
.btn-primary.is-processing { background: #ad221e; border-color: #ad221e; }
.btn-secondary.is-processing { background: #f8f8f6; border-color: #d9d9d8; }

/* Skeletons follow the real panel rhythm, reserving space while it prepares. */
.dks-skeleton { display: grid; gap: 13px; min-width: 0; pointer-events: none; user-select: none; }
.dks-skeleton .sk-line, .dks-skeleton .sk-block,
.dks-skeleton .sk-tile, .dks-skeleton .sk-button {
  position: relative; overflow: hidden; isolation: isolate; display: block;
  background: var(--skeleton-base); border-radius: 2px;
}
.dks-skeleton .sk-line::after, .dks-skeleton .sk-block::after,
.dks-skeleton .sk-tile::after, .dks-skeleton .sk-button::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 10%, #ffffff80 48%, transparent 86%);
  transform: translateX(-110%); animation: dks-skeleton-sweep 1.6s ease-in-out infinite;
}
.dks-skeleton .sk-line { width: var(--sk-width, 100%); max-width: 100%; height: 9px; }
.dks-skeleton .sk-line:first-child { height: 13px; }
.dks-skeleton .sk-block { display: grid; align-content: center; gap: 12px; padding: 18px; width: 100%; min-height: 86px; margin: 7px 0; background: #f5f5f3; border: 1px solid #e8e8e5; }
.dks-skeleton .sk-row { display: flex; align-items: center; gap: 11px; min-width: 0; }
.dks-skeleton .sk-row > .sk-line { flex: 0 1 auto; }
.dks-skeleton .sk-row > div { flex: 1 1 auto; display: grid; gap: 9px; }
.dks-skeleton .sk-tile { flex: 0 0 33px; width: 33px; height: 33px; }
.dks-skeleton .sk-button { width: 100%; height: 36px; margin-top: 11px; background: #eadedb; }
.dks-skeleton .sk-block:nth-child(2n)::after { animation-delay: .14s; }
@keyframes dks-skeleton-sweep { 0% { transform: translateX(-110%); } 70%, 100% { transform: translateX(110%); } }

/* Empty screens carry a quiet document/route illustration, never a dead end. */
.dks-empty { padding: 30px 18px 29px; text-align: center; color: #686868; }
.dks-empty > svg { display: block; width: 106px; height: 76px; max-width: 100%; margin: 0 auto 16px; color: #9c9c97; }
.dks-empty h3, .modal-body .dks-empty h3 { margin: 0 0 7px; font-size: 12px; line-height: 1.6; font-weight: 600; color: #343434; }
.dks-empty p, .modal-body .dks-empty p { max-width: 280px; margin: 0 auto; font-size: 11px; line-height: 1.8; color: #686868; }
.dks-empty .btn { margin-top: 17px; }
.shipment-table .dks-empty { min-height: 215px; }
.dks-empty .dks-icon-accent { stroke: var(--brand-red); }
.dks-empty-ghost { fill: #f4f4f1; stroke: #e4e4df; }
.dks-empty-base { fill: #fff; }
.dks-empty-route { fill: none; stroke: #d3d3ce; }
.dks-empty-accent { stroke: var(--brand-red); }

/* Confirmation is a single line-draw; settled outcomes remain still. */
.dks-success, .result-icon svg.dks-success { display: block; width: 44px; height: 44px; margin: 0 auto 17px; overflow: visible; color: #3d785c; }
.dks-success .dks-success-check { stroke: currentColor; stroke-dasharray: 1; stroke-dashoffset: 0; }
.result-icon:has(.dks-success) { width: 62px; height: 62px; margin: 0 auto 17px; border: 1px solid #dce9df; border-radius: 4px; box-shadow: none; background: #f0f6f1; }
.result-icon svg.dks-success { margin: 0; }
.result-state.just-completed .dks-success { animation: dks-success-settle 450ms var(--ui-ease) both; }
.result-state.just-completed .dks-success-check { animation: dks-success-draw 430ms 55ms var(--ui-ease) both; }
.result-state.just-completed .result-title { animation: dks-result-copy 300ms 110ms var(--ui-ease) both; }
@keyframes dks-success-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes dks-success-settle { from { opacity: .2; transform: translateY(3px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes dks-result-copy { from { opacity: .2; transform: translateY(2px); } to { opacity: 1; transform: translateY(0); } }

.case-detail { animation: dks-panel-enter 210ms var(--ui-ease) both; }
.modal-backdrop { animation: dks-backdrop-enter 150ms ease-out both; }
.modal { animation: dks-dialog-enter 230ms var(--ui-ease) both; }
@keyframes dks-panel-enter { from { opacity: .5; transform: translateY(3px); } to { opacity: 1; transform: translateY(0); } }
@keyframes dks-backdrop-enter { from { opacity: 0; } to { opacity: 1; } }
@keyframes dks-dialog-enter { from { opacity: .3; transform: translateY(6px) scale(.994); } to { opacity: 1; transform: translateY(0) scale(1); } }

@media (max-width: 640px) {
  .assistant-loading { padding: 17px; min-height: 500px; }
  .dks-loader { gap: 10px; }
  .dks-loader .dks-route-loader { width: 88px; height: 34px; }
  .dks-loader-label { font-size: 10px; }
  .dks-empty { padding-left: 13px; padding-right: 13px; }
  .dks-empty > svg { width: 95px; height: 69px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .dks-skeleton .sk-line::after, .dks-skeleton .sk-block::after,
  .dks-skeleton .sk-tile::after, .dks-skeleton .sk-button::after { display: none; }
  .dks-button-loader > span { opacity: .75; }
  .dks-button-loader > span:nth-child(2) { opacity: 1; }
  .dks-route-loader .route-stop-end { opacity: 1; }
  .dks-route-loader .route-progress { stroke-dashoffset: 0; opacity: .6; }
  .dks-route-loader .route-truck { opacity: 1; }
  .dks-success .dks-success-check { stroke-dashoffset: 0; }
  .btn:not(:disabled):active, .icon-btn:not(:disabled):active { transform: none; }
}