Refine Harbor mode swap and client delete modal animations

src/web/styles.css

@@ -248,22 +248,32 @@ p {
 
 .harbor-brand-control:hover .harbor-mode-connect,
 .harbor-brand-control:focus-visible .harbor-mode-connect {
-  transform: translateY(-0.14em);
+  animation: harbor-mode-float-front 1500ms ease-in-out infinite;
 }
 
 .harbor-brand-control:hover .harbor-mode-gateway,
 .harbor-brand-control:focus-visible .harbor-mode-gateway {
-  transform: translate(0.42em, 0.5em) scale(0.96);
+  animation: harbor-mode-float-back 1500ms ease-in-out infinite;
 }
 
 .harbor-brand.is-gateway-active .harbor-brand-control:hover .harbor-mode-connect,
 .harbor-brand.is-gateway-active .harbor-brand-control:focus-visible .harbor-mode-connect {
-  transform: translate(0.42em, 0.5em) scale(0.96);
+  animation-name: harbor-mode-float-back;
 }
 
 .harbor-brand.is-gateway-active .harbor-brand-control:hover .harbor-mode-gateway,
 .harbor-brand.is-gateway-active .harbor-brand-control:focus-visible .harbor-mode-gateway {
-  transform: translateY(-0.14em);
+  animation-name: harbor-mode-float-front;
+}
+
+@keyframes harbor-mode-float-front {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(-0.18em); }
+}
+
+@keyframes harbor-mode-float-back {
+  0%, 100% { transform: translate(0.42em, 0.34em) scale(0.96); }
+  50% { transform: translate(0.42em, 0.58em) scale(0.96); }
 }
 
 .harbor-brand .harbor-mode-swap {
@@ -272,13 +282,25 @@ p {
   left: calc(100% + 4px);
   width: 14px;
   height: 14px;
-  color: var(--harbor-connect);
   opacity: 0.82;
   stroke-width: 1.35;
   transform: translateY(-50%);
   transition: color 320ms ease, opacity 320ms ease, transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
 }
 
+.harbor-mode-swap path {
+  transform-box: fill-box;
+  transform-origin: center;
+}
+
+.harbor-mode-swap .is-connect {
+  stroke: var(--harbor-connect);
+}
+
+.harbor-mode-swap .is-gateway {
+  stroke: var(--harbor-gateway);
+}
+
 .harbor-mode-tooltip {
   position: absolute;
   bottom: calc(100% + 9px);
@@ -318,14 +340,29 @@ p {
   transition-delay: 120ms, 120ms, 120ms, 0s;
 }
 
-.harbor-brand.is-gateway-active .harbor-mode-swap {
-  color: var(--harbor-gateway);
-}
-
 .harbor-brand-control:hover .harbor-mode-swap,
 .harbor-brand-control:focus-visible .harbor-mode-swap {
   opacity: 1;
-  transform: translate(1px, -50%);
+}
+
+.harbor-brand-control:hover .harbor-mode-swap .is-connect,
+.harbor-brand-control:focus-visible .harbor-mode-swap .is-connect {
+  animation: harbor-arrow-float-up 1500ms ease-in-out infinite;
+}
+
+.harbor-brand-control:hover .harbor-mode-swap .is-gateway,
+.harbor-brand-control:focus-visible .harbor-mode-swap .is-gateway {
+  animation: harbor-arrow-float-down 1500ms ease-in-out infinite;
+}
+
+@keyframes harbor-arrow-float-up {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(-1.5px); }
+}
+
+@keyframes harbor-arrow-float-down {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(1.5px); }
 }
 
 .client-instructions-toggle {
@@ -946,52 +983,56 @@ p {
 
 .client-delete-confirmation {
   position: absolute;
-  inset: 0;
+  top: 50%;
+  left: 50%;
   z-index: 2;
+  width: 100%;
+  min-height: 250px;
   display: grid;
   align-content: center;
-  gap: 10px;
-  padding: 28px;
+  gap: 12px;
+  padding: 34px;
   border-radius: 20px;
   background: color-mix(in oklch, var(--client-panel) 88%, transparent);
   box-shadow: 0 20px 54px oklch(0.08 0.015 145 / 0.12);
   backdrop-filter: blur(16px);
+  transform: translate(-50%, -50%);
   animation: client-delete-reveal 480ms cubic-bezier(0.16, 1, 0.3, 1) both;
 }
 
 .client-delete-confirmation > span {
   color: oklch(0.68 0.15 28);
-  font-size: 9px;
+  font-size: 10px;
   font-weight: 700;
   letter-spacing: 0.08em;
   text-transform: uppercase;
 }
 
 .client-delete-confirmation h2 {
-  font-size: 18px;
+  font-size: 22px;
   letter-spacing: -0.04em;
 }
 
 .client-delete-confirmation p {
   color: var(--client-muted);
-  font-size: 10px;
-  line-height: 1.65;
+  font-size: 11px;
+  line-height: 1.7;
 }
 
 .client-delete-actions {
   display: flex;
   justify-content: flex-end;
-  gap: 8px;
-  margin-top: 8px;
+  gap: 10px;
+  margin-top: 10px;
 }
 
 .client-delete-actions button {
-  padding: 8px 12px;
+  padding: 10px 14px;
   border: 0;
   border-radius: 9px;
   background: color-mix(in oklch, var(--client-control) 74%, transparent);
   color: var(--client-text);
-  font-size: 10px;
+  font-size: 11px;
   font-weight: 700;
   cursor: pointer;
   transition: color 220ms ease, background 220ms ease, transform 220ms ease;
@@ -1014,8 +1055,8 @@ p {
 }
 
 @keyframes client-delete-reveal {
-  from { opacity: 0; filter: blur(8px); transform: scale(0.97); }
-  to { opacity: 1; filter: blur(0); transform: scale(1); }
+  from { opacity: 0; filter: blur(8px); transform: translate(-50%, -48%) scale(0.97); }
+  to { opacity: 1; filter: blur(0); transform: translate(-50%, -50%) scale(1); }
 }
 
 .client-form.is-waiting {
@@ -1741,7 +1782,7 @@ p {
   }
 
   .client-form {
-    position: static;
+    position: relative;
     width: 100%;
     transform: none;
   }
@@ -1798,9 +1839,11 @@ p {
   }
 
   .harbor-mode-stack em,
+  .harbor-mode-swap path,
   .harbor-brand .harbor-mode-swap,
   .harbor-mode-tooltip {
     transition: none;
+    animation: none;
   }
 
   .client-form-content,