feat: согласие на cookies — блокировка входа и регистрации

Co-authored-by: Cursor <cursoragent@cursor.com>

src/public/css/style.css

@@ -730,3 +730,70 @@ a:hover {
 .profile-dl dd {
   margin: 0;
 }
+
+.cookie-banner {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  z-index: 1000;
+  background: var(--surface);
+  border-top: 1px solid var(--border);
+  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
+  padding: 1rem 0;
+}
+
+.cookie-banner__inner {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem;
+}
+
+.cookie-banner__text {
+  flex: 1;
+  min-width: 240px;
+}
+
+.cookie-banner__text p {
+  margin: 0 0 0.35rem;
+}
+
+.cookie-banner__actions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+  align-items: center;
+}
+
+.nav__link--disabled {
+  color: var(--muted);
+  opacity: 0.6;
+  cursor: not-allowed;
+  font-size: 0.9rem;
+}
+
+.cookies-required {
+  max-width: 520px;
+  margin: 2rem auto;
+}
+
+.cookies-required h1 {
+  margin-top: 0;
+}
+
+.legal-page {
+  max-width: 640px;
+  padding: 1.5rem;
+  margin: 0 auto 2rem;
+}
+
+.legal-page h2 {
+  font-size: 1rem;
+  margin: 1.25rem 0 0.5rem;
+}
+
+body:has(.cookie-banner) .main {
+  padding-bottom: 7rem;
+}