diff --git a/backend/internal/web/ui/auth.css b/backend/internal/web/ui/auth.css
index dc85493..dad3634 100644
--- a/backend/internal/web/ui/auth.css
+++ b/backend/internal/web/ui/auth.css
@@ -1,4 +1,347 @@
-/* auth.css — sign-in provider controls, extracted from button.css in Phase 13 */
+/* auth.css — full auth page styles: layout, animated background, card, Google button, animations */
+/* Extracted from go-backend/static/styles.css (auth-relevant sections only) */
+
+/* ============================================================
+   Section A — Page shell (.login-screen only; NOT .app-shell)
+   ============================================================ */
+
+.login-screen {
+  align-items: center;
+  background: var(--gradient-shell);
+  display: flex;
+  justify-content: center;
+  min-height: 100vh;
+  overflow: hidden;
+  padding: 2rem 1rem;
+  position: relative;
+}
+
+/* ============================================================
+   Section B — Animated background
+   ============================================================ */
+
+.background-layer {
+  inset: 0;
+  overflow: hidden;
+  pointer-events: none;
+  position: absolute;
+}
+
+.background-logo {
+  position: absolute;
+}
+
+.logo-asset {
+  display: block;
+  height: auto;
+  object-fit: contain;
+  width: 100%;
+}
+
+.size-06 { width: 1.5rem; height: 1.5rem; }
+.size-07 { width: 1.75rem; height: 1.75rem; }
+.size-08 { width: 2rem; height: 2rem; }
+.size-09 { width: 2.25rem; height: 2.25rem; }
+.size-10 { width: 2.5rem; height: 2.5rem; }
+.size-11 { width: 2.75rem; height: 2.75rem; }
+.size-12 { width: 3rem; height: 3rem; }
+.size-13 { width: 3.25rem; height: 3.25rem; }
+.size-14 { width: 3.5rem; height: 3.5rem; }
+.size-15 { width: 3.75rem; height: 3.75rem; }
+.size-16 { width: 4rem; height: 4rem; }
+.size-18 { width: 4.5rem; height: 4.5rem; }
+.size-20 { width: 5rem; height: 5rem; }
+
+.opacity-02 { opacity: 0.2; }
+.opacity-03 { opacity: 0.3; }
+.opacity-04 { opacity: 0.4; }
+.opacity-05 { opacity: 0.5; }
+
+.bg-01 { top: 25%; left: 0; }
+.bg-02 { top: 33%; left: 0; }
+.bg-03 { top: 50%; left: 0; }
+.bg-04 { top: 66%; left: 0; }
+.bg-05 { top: 75%; left: 0; }
+.bg-06 { top: 0; left: 25%; }
+.bg-07 { top: 0; left: 50%; }
+.bg-08 { top: 0; left: 75%; }
+.bg-09 { top: 0; left: 16.66%; }
+.bg-10 { top: 0; left: 83.33%; }
+.bg-11,
+.bg-12,
+.bg-13,
+.bg-14,
+.bg-15 {
+  left: 50%;
+  top: 50%;
+}
+.bg-16 { top: 25%; left: 0; }
+.bg-17 { top: 50%; left: 0; }
+.bg-18 { top: 75%; left: 0; }
+.bg-19 { top: 0; left: 25%; }
+.bg-20 { top: 0; left: 75%; }
+.bg-21 { top: 16.66%; left: 33.33%; }
+.bg-22 { top: 33.33%; left: 66.66%; }
+.bg-23 { top: 66.66%; left: 25%; }
+.bg-24 { top: 83.33%; left: 75%; }
+.bg-25 { top: 12.5%; left: 0; }
+.bg-26 { top: 37.5%; left: 0; }
+.bg-27 { top: 62.5%; left: 0; }
+.bg-28 { top: 87.5%; left: 0; }
+.bg-29 { top: 0; left: 0; }
+.bg-30 { top: 0; right: 0; }
+.bg-31 { bottom: 0; left: 0; }
+.bg-32 { bottom: 0; right: 0; }
+.bg-33 { top: 20%; left: 20%; }
+.bg-34 { top: 40%; left: 80%; }
+.bg-35 { top: 80%; left: 40%; }
+
+/* ============================================================
+   Section C — Card wrapper
+   ============================================================ */
+
+.card-wrap {
+  max-width: 32rem;
+  position: relative;
+  transition: transform 0.2s ease-out;
+  width: 100%;
+  z-index: 1;
+}
+
+.card-glow {
+  background: var(--gradient-card-glow);
+  border-radius: 1rem;
+  filter: blur(24px);
+  inset: 0;
+  position: absolute;
+  z-index: -1;
+}
+
+.auth-card-shell {
+  backdrop-filter: blur(12px);
+  background: var(--card);
+  border: 1px solid var(--border);
+  border-radius: 1rem;
+  box-shadow: var(--shadow-auth-card);
+  padding: 1.25rem; /* NOT a design token — ported verbatim from go-backend */
+  position: relative;
+}
+
+/* ============================================================
+   Section D — Card internals
+   ============================================================ */
+
+.auth-card-topbar {
+  align-items: center;
+  display: flex;
+  justify-content: space-between;
+  margin-bottom: 1.5rem;
+}
+
+.brand-header {
+  display: flex;
+  justify-content: center;
+  margin-bottom: 1.5rem;
+}
+
+.brand-logo {
+  display: block;
+  height: 4rem;
+  object-fit: contain;
+  width: 4rem;
+}
+
+.title-group {
+  margin-bottom: 1.5rem;
+  text-align: center;
+}
+
+.title-group h1 {
+  font-size: clamp(1.5rem, 4vw, 1.875rem);
+  font-weight: 700;
+  margin: 0;
+}
+
+.auth-body {
+  align-items: center;
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+}
+
+.login-form {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  margin: 0 auto;
+  max-width: 28rem;
+  width: 100%;
+}
+
+.divider-row {
+  align-items: center;
+  display: flex;
+  gap: 0.25rem;
+  margin: 0.5rem 0 0;
+  position: relative;
+  width: 100%;
+}
+
+.divider-line {
+  border-top: 1px solid var(--border);
+  flex: 1;
+}
+
+.divider-pill {
+  background: var(--background);
+  border-radius: 999px;
+  color: var(--muted-foreground);
+  font-size: 0.875rem;
+  font-weight: 500;
+  padding: 0.25rem 1rem;
+  position: relative;
+  z-index: 1;
+}
+
+.signup-copy {
+  color: var(--muted-foreground);
+  font-size: 0.875rem;
+  margin: 0;
+  text-align: center;
+}
+
+.signup-link {
+  border-radius: 0.375rem;
+  color: var(--foreground);
+  display: inline-block;
+  font-weight: 500;
+  margin-left: 0.2rem;
+  padding: 0.25rem 0.5rem;
+  transition:
+    color 0.2s ease,
+    background-color 0.2s ease;
+}
+
+.signup-link:hover {
+  background: var(--accent);
+}
+
+.status-slot {
+  min-height: 0.25rem;
+}
+
+.status-banner {
+  border: 1px solid;
+  border-radius: 0.5rem;
+  font-size: 0.875rem;
+  padding: 0.75rem 0.875rem;
+}
+
+.status-success {
+  background: var(--color-status-success-banner-bg);
+  border-color: var(--color-status-success-banner-border);
+  color: var(--color-status-success-banner-foreground);
+}
+
+.status-error {
+  background: var(--color-status-danger-banner-bg);
+  border-color: var(--color-status-danger-banner-border);
+  color: var(--color-status-danger-banner-foreground);
+}
+
+/* ============================================================
+   Section E — Google Sign-In button (gsi-material-button)
+   ============================================================ */
+
+.gsi-material-button {
+  -moz-user-select: none;
+  -ms-user-select: none;
+  -webkit-appearance: none;
+  -webkit-user-select: none;
+  background-color: var(--color-surface-default);
+  background-image: none;
+  border: 1px solid var(--color-border-google);
+  border-radius: 20px;
+  box-sizing: border-box;
+  color: var(--color-text-google);
+  cursor: pointer;
+  display: block;
+  font-family: "Roboto", Arial, sans-serif;
+  font-size: 14px;
+  height: 40px;
+  letter-spacing: 0.25px;
+  max-width: 400px;
+  min-width: min-content;
+  outline: none;
+  overflow: hidden;
+  padding: 0 12px;
+  position: relative;
+  text-align: center;
+  text-decoration: none;
+  transition:
+    background-color 0.218s,
+    border-color 0.218s,
+    box-shadow 0.218s;
+  vertical-align: middle;
+  white-space: nowrap;
+  width: 100%;
+}
+
+.gsi-material-button .gsi-material-button-icon {
+  height: 20px;
+  margin-right: 12px;
+  min-width: 20px;
+  width: 20px;
+}
+
+.gsi-material-button .gsi-material-button-content-wrapper {
+  align-items: center;
+  display: flex;
+  flex-direction: row;
+  flex-wrap: nowrap;
+  height: 100%;
+  justify-content: space-between;
+  position: relative;
+  width: 100%;
+}
+
+.gsi-material-button .gsi-material-button-contents {
+  flex-grow: 1;
+  font-family: "Roboto", Arial, sans-serif;
+  font-weight: 500;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  vertical-align: top;
+}
+
+.gsi-material-button .gsi-material-button-state {
+  bottom: 0;
+  left: 0;
+  opacity: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  transition: opacity 0.218s;
+}
+
+.gsi-material-button:not(:disabled):active .gsi-material-button-state,
+.gsi-material-button:not(:disabled):focus .gsi-material-button-state {
+  background-color: var(--overlay-google-state);
+  opacity: 0.12;
+}
+
+.gsi-material-button:not(:disabled):hover {
+  box-shadow: var(--shadow-google-button);
+}
+
+.gsi-material-button:not(:disabled):hover .gsi-material-button-state {
+  background-color: var(--overlay-google-state);
+  opacity: 0.08;
+}
+
+/* ============================================================
+   Section F — Legacy auth-provider controls (kept for non-Google)
+   ============================================================ */
 
 .auth-provider-stack {
   display: grid;
@@ -59,3 +402,427 @@
 .auth-provider-separator em {
   font-style: normal;
 }
+
+/* ============================================================
+   Section G — @keyframes definitions
+   ============================================================ */
+
+@keyframes move-right-slow {
+  from { transform: translateX(-6rem); }
+  to { transform: translateX(calc(100vw + 6rem)); }
+}
+
+@keyframes move-right-medium {
+  from { transform: translateX(-5rem); }
+  to { transform: translateX(calc(100vw + 5rem)); }
+}
+
+@keyframes move-right-fast {
+  from { transform: translateX(-7rem); }
+  to { transform: translateX(calc(100vw + 7rem)); }
+}
+
+@keyframes move-down-slow {
+  from { transform: translateY(-6rem); }
+  to { transform: translateY(calc(100vh + 6rem)); }
+}
+
+@keyframes move-down-medium {
+  from { transform: translateY(-5rem); }
+  to { transform: translateY(calc(100vh + 5rem)); }
+}
+
+@keyframes move-diagonal-1 {
+  from { transform: translate(-4rem, -4rem); }
+  to { transform: translate(52vw, 70vh); }
+}
+
+@keyframes move-diagonal-2 {
+  from { transform: translate(0, -4rem); }
+  to { transform: translate(-18vw, 76vh); }
+}
+
+@keyframes move-diagonal-3 {
+  from { transform: translate(0, -4rem); }
+  to { transform: translate(12vw, 72vh); }
+}
+
+@keyframes orbit-1 {
+  from { transform: translate(-50%, -50%) rotate(0deg) translateX(11rem); }
+  to { transform: translate(-50%, -50%) rotate(360deg) translateX(11rem); }
+}
+
+@keyframes orbit-2 {
+  from { transform: translate(-50%, -50%) rotate(0deg) translateX(7rem); }
+  to { transform: translate(-50%, -50%) rotate(-360deg) translateX(7rem); }
+}
+
+@keyframes orbit-3 {
+  from { transform: translate(-50%, -50%) rotate(0deg) translateX(5rem); }
+  to { transform: translate(-50%, -50%) rotate(360deg) translateX(5rem); }
+}
+
+@keyframes orbit-4 {
+  from { transform: translate(-50%, -50%) rotate(0deg) translateX(15rem); }
+  to { transform: translate(-50%, -50%) rotate(360deg) translateX(15rem); }
+}
+
+@keyframes orbit-5 {
+  from { transform: translate(-50%, -50%) rotate(0deg) translateX(8rem); }
+  to { transform: translate(-50%, -50%) rotate(-360deg) translateX(8rem); }
+}
+
+@keyframes zigzag-1 {
+  0% { transform: translateX(-6rem) translateY(0); }
+  25% { transform: translateX(25vw) translateY(-3rem); }
+  50% { transform: translateX(50vw) translateY(3rem); }
+  75% { transform: translateX(75vw) translateY(-2rem); }
+  100% { transform: translateX(calc(100vw + 6rem)) translateY(1rem); }
+}
+
+@keyframes zigzag-2 {
+  0% { transform: translateX(-5rem) translateY(0); }
+  25% { transform: translateX(25vw) translateY(2rem); }
+  50% { transform: translateX(50vw) translateY(-3rem); }
+  75% { transform: translateX(75vw) translateY(1.5rem); }
+  100% { transform: translateX(calc(100vw + 5rem)) translateY(0); }
+}
+
+@keyframes zigzag-3 {
+  0% { transform: translateX(-7rem) translateY(0); }
+  20% { transform: translateX(20vw) translateY(-4rem); }
+  40% { transform: translateX(40vw) translateY(4rem); }
+  60% { transform: translateX(60vw) translateY(-2rem); }
+  80% { transform: translateX(80vw) translateY(3rem); }
+  100% { transform: translateX(calc(100vw + 7rem)) translateY(0); }
+}
+
+@keyframes spiral-1 {
+  0% { transform: translate(0, 0) rotate(0deg) scale(0.6); }
+  100% { transform: translate(90vw, 90vh) rotate(360deg) scale(1.3); }
+}
+
+@keyframes spiral-2 {
+  0% { transform: translate(0, 0) rotate(0deg) scale(1.4); }
+  100% { transform: translate(-70vw, 90vh) rotate(-360deg) scale(0.7); }
+}
+
+@keyframes float-random-1 {
+  0%, 100% { transform: translate(0, 0); }
+  50% { transform: translate(1.4rem, -1rem); }
+}
+
+@keyframes float-random-2 {
+  0%, 100% { transform: translate(0, 0); }
+  50% { transform: translate(-1.2rem, 1.1rem); }
+}
+
+@keyframes float-random-3 {
+  0%, 100% { transform: translate(0, 0); }
+  50% { transform: translate(0.9rem, -1.4rem); }
+}
+
+@keyframes float-random-4 {
+  0%, 100% { transform: translate(0, 0); }
+  50% { transform: translate(-1rem, 0.8rem); }
+}
+
+@keyframes wave-1 {
+  from { transform: translateX(-4rem); }
+  to { transform: translateX(calc(100vw + 4rem)); }
+}
+
+@keyframes wave-2 {
+  from { transform: translateX(-5rem); }
+  to { transform: translateX(calc(100vw + 5rem)); }
+}
+
+@keyframes wave-3 {
+  from { transform: translateX(-4rem); }
+  to { transform: translateX(calc(100vw + 4rem)); }
+}
+
+@keyframes wave-4 {
+  from { transform: translateX(-6rem); }
+  to { transform: translateX(calc(100vw + 6rem)); }
+}
+
+@keyframes corner-shoot-1 {
+  from { transform: translate(0, 0); }
+  to { transform: translate(110vw, 110vh); }
+}
+
+@keyframes corner-shoot-2 {
+  from { transform: translate(0, 0); }
+  to { transform: translate(-110vw, 110vh); }
+}
+
+@keyframes corner-shoot-3 {
+  from { transform: translate(0, 0); }
+  to { transform: translate(110vw, -110vh); }
+}
+
+@keyframes corner-shoot-4 {
+  from { transform: translate(0, 0); }
+  to { transform: translate(-110vw, -110vh); }
+}
+
+@keyframes bounce-ball-1 {
+  0%, 100% { transform: translateY(0) translateX(0); }
+  50% { transform: translateY(-5rem) translateX(2rem); }
+}
+
+@keyframes bounce-ball-2 {
+  0%, 100% { transform: translateY(0) translateX(0); }
+  50% { transform: translateY(4rem) translateX(-2rem); }
+}
+
+@keyframes bounce-ball-3 {
+  0%, 100% { transform: translateY(0) translateX(0); }
+  50% { transform: translateY(-4rem) translateX(1.5rem); }
+}
+
+@keyframes spin-slow {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+@keyframes spin-reverse {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(-360deg); }
+}
+
+@keyframes bounce-gentle {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(-0.6rem); }
+}
+
+@keyframes pulse-gentle {
+  0%, 100% { transform: scale(1); opacity: 1; }
+  50% { transform: scale(1.08); opacity: 0.85; }
+}
+
+@keyframes wiggle {
+  0%, 100% { transform: rotate(0deg); }
+  25% { transform: rotate(-4deg); }
+  75% { transform: rotate(4deg); }
+}
+
+@keyframes float-gentle {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(-0.8rem); }
+}
+
+@keyframes scale-gentle {
+  0%, 100% { transform: scale(1); }
+  50% { transform: scale(1.12); }
+}
+
+@keyframes rotate-gentle {
+  0%, 100% { transform: rotate(0deg); }
+  50% { transform: rotate(12deg); }
+}
+
+@keyframes bounce-soft {
+  0%, 100% { transform: translateY(0); }
+  50% { transform: translateY(-0.9rem); }
+}
+
+@keyframes sway {
+  0%, 100% { transform: translateX(0); }
+  50% { transform: translateX(0.8rem); }
+}
+
+@keyframes spin-fast {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+@keyframes pulse-fast {
+  0%, 100% { transform: scale(1); }
+  50% { transform: scale(1.2); }
+}
+
+@keyframes wobble {
+  0%, 100% { transform: translateX(0); }
+  15% { transform: translateX(-0.35rem) rotate(-5deg); }
+  30% { transform: translateX(0.25rem) rotate(4deg); }
+  45% { transform: translateX(-0.2rem) rotate(-2deg); }
+  60% { transform: translateX(0.12rem) rotate(1deg); }
+}
+
+@keyframes shake {
+  0%, 100% { transform: translateX(0); }
+  25% { transform: translateX(-0.12rem); }
+  75% { transform: translateX(0.12rem); }
+}
+
+@keyframes bounce-crazy {
+  0%, 100% { transform: translateY(0) scale(1); }
+  25% { transform: translateY(-0.5rem) scale(1.05); }
+  75% { transform: translateY(0.2rem) scale(0.98); }
+}
+
+@keyframes spin-wobble {
+  0% { transform: rotate(0deg) scale(1); }
+  50% { transform: rotate(180deg) scale(1.12); }
+  100% { transform: rotate(360deg) scale(1); }
+}
+
+@keyframes flip {
+  0%, 100% { transform: rotateY(0deg); }
+  50% { transform: rotateY(180deg); }
+}
+
+@keyframes twirl {
+  0%, 100% { transform: rotate(0deg) scale(1); }
+  50% { transform: rotate(180deg) scale(1.15); }
+}
+
+@keyframes dance {
+  0%, 100% { transform: translateY(0) rotate(0deg); }
+  25% { transform: translateY(-0.3rem) rotate(-6deg); }
+  75% { transform: translateY(0.3rem) rotate(6deg); }
+}
+
+@keyframes jiggle {
+  0%, 100% { transform: translateX(0); }
+  25% { transform: translateX(-0.18rem); }
+  50% { transform: translateX(0.18rem); }
+  75% { transform: translateX(-0.1rem); }
+}
+
+@keyframes vibrate {
+  0%, 100% { transform: translate(0); }
+  20% { transform: translate(-1px, 1px); }
+  40% { transform: translate(1px, -1px); }
+  60% { transform: translate(-1px, -1px); }
+  80% { transform: translate(1px, 1px); }
+}
+
+@keyframes swing {
+  0%, 100% { transform: rotate(0deg); }
+  50% { transform: rotate(10deg); }
+}
+
+@keyframes pendulum {
+  0%, 100% { transform: rotate(-8deg); }
+  50% { transform: rotate(8deg); }
+}
+
+@keyframes elastic {
+  0%, 100% { transform: scale(1); }
+  30% { transform: scale(1.15, 0.9); }
+  60% { transform: scale(0.95, 1.08); }
+}
+
+@keyframes rubber {
+  0%, 100% { transform: scale(1); }
+  35% { transform: scale(1.2, 0.9); }
+  65% { transform: scale(0.9, 1.15); }
+}
+
+@keyframes rocket {
+  0%, 100% { transform: translateY(0) rotate(-8deg); }
+  50% { transform: translateY(-0.8rem) rotate(-12deg); }
+}
+
+@keyframes comet {
+  0%, 100% { transform: translateX(0) rotate(12deg); }
+  50% { transform: translateX(0.8rem) rotate(18deg); }
+}
+
+@keyframes meteor {
+  0%, 100% { transform: translateY(0) rotate(8deg); }
+  50% { transform: translateY(-0.7rem) rotate(14deg); }
+}
+
+@keyframes blast {
+  0%, 100% { transform: scale(1); }
+  50% { transform: scale(1.2) rotate(10deg); }
+}
+
+@keyframes spin-bounce {
+  0%, 100% { transform: rotate(0deg) translateY(0); }
+  50% { transform: rotate(180deg) translateY(-0.5rem); }
+}
+
+@keyframes flip-bounce {
+  0%, 100% { transform: rotateY(0deg) translateY(0); }
+  50% { transform: rotateY(180deg) translateY(-0.5rem); }
+}
+
+@keyframes scale-bounce {
+  0%, 100% { transform: scale(1) translateY(0); }
+  50% { transform: scale(1.14) translateY(-0.55rem); }
+}
+
+/* ============================================================
+   Section H — .animate-* utility classes
+   ============================================================ */
+
+.animate-move-right-slow { animation: move-right-slow 25s linear infinite; }
+.animate-move-right-medium { animation: move-right-medium 20s linear infinite; }
+.animate-move-right-fast { animation: move-right-fast 15s linear infinite; }
+.animate-move-down-slow { animation: move-down-slow 30s linear infinite; }
+.animate-move-down-medium { animation: move-down-medium 25s linear infinite; }
+.animate-move-diagonal-1 { animation: move-diagonal-1 35s linear infinite; }
+.animate-move-diagonal-2 { animation: move-diagonal-2 28s linear infinite; }
+.animate-move-diagonal-3 { animation: move-diagonal-3 32s linear infinite; }
+.animate-orbit-1 { animation: orbit-1 20s linear infinite; }
+.animate-orbit-2 { animation: orbit-2 25s linear infinite reverse; }
+.animate-orbit-3 { animation: orbit-3 15s linear infinite; }
+.animate-orbit-4 { animation: orbit-4 22s linear infinite; }
+.animate-orbit-5 { animation: orbit-5 18s linear infinite; }
+.animate-zigzag-1 { animation: zigzag-1 18s linear infinite; }
+.animate-zigzag-2 { animation: zigzag-2 22s linear infinite; }
+.animate-zigzag-3 { animation: zigzag-3 16s linear infinite; }
+.animate-spiral-1 { animation: spiral-1 30s linear infinite; }
+.animate-spiral-2 { animation: spiral-2 25s linear infinite; }
+.animate-float-random-1 { animation: float-random-1 8s ease-in-out infinite; }
+.animate-float-random-2 { animation: float-random-2 10s ease-in-out infinite; }
+.animate-float-random-3 { animation: float-random-3 12s ease-in-out infinite; }
+.animate-float-random-4 { animation: float-random-4 9s ease-in-out infinite; }
+.animate-wave-1 { animation: wave-1 20s linear infinite; }
+.animate-wave-2 { animation: wave-2 24s linear infinite; }
+.animate-wave-3 { animation: wave-3 18s linear infinite; }
+.animate-wave-4 { animation: wave-4 26s linear infinite; }
+.animate-corner-shoot-1 { animation: corner-shoot-1 15s linear infinite; }
+.animate-corner-shoot-2 { animation: corner-shoot-2 18s linear infinite; }
+.animate-corner-shoot-3 { animation: corner-shoot-3 20s linear infinite; }
+.animate-corner-shoot-4 { animation: corner-shoot-4 16s linear infinite; }
+.animate-bounce-ball-1 { animation: bounce-ball-1 12s ease-in-out infinite; }
+.animate-bounce-ball-2 { animation: bounce-ball-2 14s ease-in-out infinite; }
+.animate-bounce-ball-3 { animation: bounce-ball-3 10s ease-in-out infinite; }
+.animate-spin-slow { animation: spin-slow 8s linear infinite; }
+.animate-spin-reverse { animation: spin-reverse 6s linear infinite; }
+.animate-bounce-gentle { animation: bounce-gentle 3s ease-in-out infinite; }
+.animate-bounce-soft { animation: bounce-soft 4s ease-in-out infinite; }
+.animate-pulse-gentle { animation: pulse-gentle 4s ease-in-out infinite; }
+.animate-wiggle { animation: wiggle 2s ease-in-out infinite; }
+.animate-float-gentle { animation: float-gentle 5s ease-in-out infinite; }
+.animate-scale-gentle { animation: scale-gentle 6s ease-in-out infinite; }
+.animate-rotate-gentle { animation: rotate-gentle 8s ease-in-out infinite; }
+.animate-sway { animation: sway 3s ease-in-out infinite; }
+.animate-spin-fast { animation: spin-fast 2s linear infinite; }
+.animate-pulse-fast { animation: pulse-fast 1.5s ease-in-out infinite; }
+.animate-wobble { animation: wobble 2s ease-in-out infinite; }
+.animate-shake { animation: shake 0.5s ease-in-out infinite; }
+.animate-bounce-crazy { animation: bounce-crazy 1s ease-in-out infinite; }
+.animate-spin-wobble { animation: spin-wobble 4s ease-in-out infinite; }
+.animate-flip { animation: flip 3s ease-in-out infinite; }
+.animate-twirl { animation: twirl 5s ease-in-out infinite; }
+.animate-dance { animation: dance 3s ease-in-out infinite; }
+.animate-jiggle { animation: jiggle 1s ease-in-out infinite; }
+.animate-vibrate { animation: vibrate 0.3s ease-in-out infinite; }
+.animate-swing { animation: swing 2.8s ease-in-out infinite; }
+.animate-pendulum { animation: pendulum 2.4s ease-in-out infinite; }
+.animate-elastic { animation: elastic 2.2s ease-in-out infinite; }
+.animate-rubber { animation: rubber 2.5s ease-in-out infinite; }
+.animate-rocket { animation: rocket 1.8s ease-in-out infinite; }
+.animate-comet { animation: comet 2s ease-in-out infinite; }
+.animate-meteor { animation: meteor 1.7s ease-in-out infinite; }
+.animate-blast { animation: blast 2.2s ease-in-out infinite; }
+.animate-spin-bounce { animation: spin-bounce 2.4s ease-in-out infinite; }
+.animate-flip-bounce { animation: flip-bounce 2.6s ease-in-out infinite; }
+.animate-scale-bounce { animation: scale-bounce 2.1s ease-in-out infinite; }
diff --git a/backend/static/logo_dark.png b/backend/static/logo_dark.png
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diff --git a/backend/static/logo_white.png b/backend/static/logo_white.png
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