diff --git a/web/src/main/resources/static/css/app.css b/web/src/main/resources/static/css/app.css
index 1fc75a2..48c8b06 100644
--- a/web/src/main/resources/static/css/app.css
+++ b/web/src/main/resources/static/css/app.css
@@ -228,7 +228,7 @@ tr:last-child td { border-bottom: none; }
 .alert-warning { background: #fef3c7; color: #92400e; }
 
 .list-pad { padding-left: 1.25rem; }
-.import-card { border-color: rgba(16,185,129,0.4); }
+.import-card { border-color: var(--c-badge-ok-border); }
 .mini-alert { padding: 0.5rem 0.75rem; border-radius: var(--radius-xs); margin-bottom: 0.5rem; }
 /* Theme toggle */
 .theme-btn { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
@@ -258,29 +258,32 @@ tr:last-child td { border-bottom: none; }
 .toast { position: fixed; top: 1rem; right: 1rem; z-index: 50; width: 20rem; }
 
 /* Всплывающие уведомления (flash notice/error) вместо статичных алертов */
+/* Уведомления: внизу по центру, в стиле Б3 (поверх .notice) */
 .toast-host {
-    position: fixed; top: 1rem; right: 1rem; z-index: 100;
-    display: flex; flex-direction: column; gap: 0.5rem;
-    width: min(24rem, calc(100vw - 2rem)); pointer-events: none;
+    position: fixed; left: 50%; transform: translateX(-50%); bottom: 1.5rem; z-index: 100;
+    display: flex; flex-direction: column; gap: 0.5rem; align-items: stretch;
+    width: min(34rem, calc(100vw - 2rem)); pointer-events: none;
 }
 .toast-item {
-    pointer-events: auto; display: flex; align-items: flex-start; gap: 0.5rem;
-    padding: 0.7rem 0.85rem; border-radius: var(--radius); border: 1px solid var(--c-border);
-    border-left-width: 4px; background: var(--c-surface); color: var(--c-text);
-    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
+    pointer-events: auto; display: flex; align-items: flex-start; gap: 0.75rem;
+    padding: 0.75rem 1rem; border-radius: var(--radius); border: 1px solid var(--c-border);
+    border-left: 3px solid var(--c-accent); background: var(--c-surface); color: var(--c-text);
+    font-size: 0.8125rem;
+    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
     animation: toast-in 0.18s ease-out;
 }
 .toast-item .toast-text { flex: 1 1 auto; min-width: 0; white-space: pre-line; overflow-wrap: anywhere; }
-.toast-item.toast-success { border-left-color: #16a34a; }
-.toast-item.toast-error { border-left-color: #dc2626; }
-.toast-item.toast-warning { border-left-color: #d97706; }
+.toast-item .toast-text .code { margin: 0 0.1rem; }
+.toast-item.toast-success { border-left-color: var(--c-tone-pos); }
+.toast-item.toast-error { border-left-color: var(--c-tone-neg); }
+.toast-item.toast-warning { border-left-color: var(--c-badge-warn-text); }
 .toast-close {
     flex: 0 0 auto; border: none; background: none; cursor: pointer;
-    color: var(--c-text-muted); font-size: 1.05rem; line-height: 1; padding: 0 0.1rem;
+    color: var(--c-text-muted); font-size: 1rem; line-height: 1; padding: 0 0.1rem;
 }
 .toast-close:hover { color: var(--c-text); }
 @keyframes toast-in {
-    from { opacity: 0; transform: translateY(-6px); }
+    from { opacity: 0; transform: translateY(8px); }
     to { opacity: 1; transform: none; }
 }
 
@@ -494,7 +497,7 @@ dialog.modal.modal-lg .modal-body { max-height: 88vh; min-height: 62vh; }
 }
 .sub-toggle:hover { color: var(--c-text); }
 .sub-arrow {
-    flex: 0 0 auto; width: 8px; height: 8px;
+    display: block; flex: 0 0 auto; width: 8px; height: 8px;
     border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
     transform: rotate(-135deg); transition: transform 0.2s;
 }
@@ -614,7 +617,9 @@ th.th-filterable { padding-bottom: 0.35rem; }
     cursor: grab; user-select: none; color: var(--c-text-muted);
     font-size: 1rem; line-height: 1; padding: 0.15rem 0; border-radius: var(--radius-sm);
 }
+.drag-handle svg { width: 1rem; height: 1rem; display: block; margin: 0 auto; }
 .drag-handle:hover { background: var(--c-bg); color: var(--c-text); }
+.mini-btn.danger:hover { color: var(--c-accent); border-color: #dcb9be; background: var(--c-accent-soft); }
 .drag-handle:active { cursor: grabbing; }
 .dragging { opacity: 0.45; }
 .drop-before { box-shadow: 0 -3px 0 0 var(--c-text); }
diff --git a/web/src/main/resources/templates/admin/group.html b/web/src/main/resources/templates/admin/group.html
index e33561a..3497189 100644
--- a/web/src/main/resources/templates/admin/group.html
+++ b/web/src/main/resources/templates/admin/group.html
@@ -307,7 +307,7 @@
 
 
 
-<div th:if="${createdStudent}" class="card import-card toast">
+<div th:if="${createdStudent}" class="card import-card">
     <div class="card-body">
         <h2 class="section-title">Студент добавлен</h2>
         <p class="text-sm" th:text="${createdStudent.fullName}">—</p>
@@ -317,7 +317,7 @@
 </div>
 
 <!-- Итог импорта группы: одноразовые пароли новых студентов показываются здесь один раз. -->
-<div th:if="${importResult}" class="card import-card toast">
+<div th:if="${importResult}" class="card import-card">
     <div class="card-body">
         <h2 class="section-title">
             Группа <span th:text="${importResult.groupName}">—</span> импортирована
diff --git a/web/src/main/resources/templates/learn/article.html b/web/src/main/resources/templates/learn/article.html
index 57ef175..512004f 100644
--- a/web/src/main/resources/templates/learn/article.html
+++ b/web/src/main/resources/templates/learn/article.html
@@ -52,9 +52,8 @@
                     <input type="hidden" name="id" th:value="${article.id}">
                     <input type="hidden" name="published" th:value="${!article.published}">
                     <input type="hidden" name="back" th:value="${back}">
-                    <button class="btn" type="submit"
-                            th:classappend="${article.published} ? 'btn-secondary' : 'btn-primary'"
-                            th:text="${article.published} ? 'Скрыть от студентов' : 'Опубликовать'">Скрыть</button>
+                    <button class="mini-btn" type="submit" th:if="${article.published}" title="Скрыть статью" aria-label="Скрыть статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                    <button class="mini-btn" type="submit" th:unless="${article.published}" title="Опубликовать статью" aria-label="Опубликовать статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                 </form>
                 <a class="btn btn-secondary"
                    th:href="@{/learn/{c}(c=${article.chapterSlug})}">К главе</a>
@@ -62,7 +61,7 @@
                       onsubmit="return confirm('Удалить статью?')">
                     <input type="hidden" name="_csrf" th:value="${csrfToken}">
                     <input type="hidden" name="back" th:value="${backParent}">
-                    <button class="btn btn-danger" type="submit">Удалить статью</button>
+                    <button class="mini-btn danger" type="submit" title="Удалить статью" aria-label="Удалить статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
                 </form>
             </div>
 
diff --git a/web/src/main/resources/templates/learn/chapter.html b/web/src/main/resources/templates/learn/chapter.html
index 735d495..7a22090 100644
--- a/web/src/main/resources/templates/learn/chapter.html
+++ b/web/src/main/resources/templates/learn/chapter.html
@@ -16,26 +16,25 @@
 
     <div th:if="${currentUser != null and currentUser.admin}" class="flex flex-wrap gap-2 mb-4">
         <button class="btn btn-primary" type="button" onclick="openModal('modal-new-section')">+ Раздел</button>
-        <button class="btn btn-secondary" type="button" onclick="openModal('modal-rename-chapter')">Переименовать главу</button>
+        <button class="mini-btn" type="button" onclick="openModal('modal-rename-chapter')" title="Переименовать главу" aria-label="Переименовать главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.8 2.8 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z"/></svg></button>
         <form class="inline-form" th:action="@{/admin/content/chapters/toggle-published}" method="post">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="id" th:value="${chapter.id}">
             <input type="hidden" name="published" th:value="${!chapter.published}">
             <input type="hidden" name="back" th:value="${back}">
-            <button class="btn" type="submit"
-                    th:classappend="${chapter.published} ? 'btn-secondary' : 'btn-primary'"
-                    th:text="${chapter.published} ? 'Скрыть главу' : 'Опубликовать главу'">Скрыть</button>
+            <button class="mini-btn" type="submit" th:if="${chapter.published}" title="Скрыть главу" aria-label="Скрыть главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+            <button class="mini-btn" type="submit" th:unless="${chapter.published}" title="Опубликовать главу" aria-label="Опубликовать главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
         </form>
         <form class="inline-form" th:action="@{/admin/content/chapters/{id}/delete(id=${chapter.id})}" method="post"
               onsubmit="return confirm('Удалить главу со всеми разделами и статьями?')">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="back" th:value="${backParent}">
-            <button class="btn btn-danger" type="submit">Удалить главу</button>
+            <button class="mini-btn danger" type="submit" title="Удалить главу со всеми разделами и статьями" aria-label="Удалить главу со всеми разделами и статьями"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
         </form>
     </div>
 
     <div th:if="${currentUser != null and currentUser.admin}" class="card card-body text-sm text-muted mb-4">
-        Перетаскивайте за значок ⠿ слева, чтобы менять порядок разделов и переносить статьи
+        Перетаскивайте за значок руки слева, чтобы менять порядок разделов и переносить статьи
         между разделами этой главы. Порядок сохраняется сразу.
     </div>
     <div th:if="${currentUser != null and currentUser.admin}" id="sort-status" class="sort-status" hidden>
@@ -52,7 +51,7 @@
             <div class="sub-head sort-row">
                 <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                       th:attr="data-drag-kind='section',data-drag-id=${section.id}"
-                      title="Перетащите мышью: изменить порядок разделов">⠿</span>
+                      title="Перетащите мышью: изменить порядок разделов"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
                 <button type="button" class="sub-toggle" aria-expanded="false" onclick="toggleSection(this)"
                         title="Свернуть или развернуть раздел">
                     <span class="sub-arrow" aria-hidden="true"></span>
@@ -62,24 +61,21 @@
                    th:text="${section.title}">Раздел</a>
                 <span th:if="${!section.published}" class="badge badge-warn">скрыто</span>
                 <div th:if="${currentUser != null and currentUser.admin}" class="sort-actions">
-                    <button class="btn btn-secondary" type="button"
-                            th:data-modal="|modal-rename-section-${section.id}|" onclick="openModalData(this)">Переименовать</button>
+                    <button class="mini-btn" type="button" th:data-modal="|modal-rename-section-${section.id}|" onclick="openModalData(this)" title="Переименовать раздел" aria-label="Переименовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.8 2.8 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z"/></svg></button>
                     <form class="inline-form" th:action="@{/admin/content/sections/toggle-published}" method="post">
                         <input type="hidden" name="_csrf" th:value="${csrfToken}">
                         <input type="hidden" name="id" th:value="${section.id}">
                         <input type="hidden" name="published" th:value="${!section.published}">
                         <input type="hidden" name="back" th:value="${back}">
-                        <button class="btn" type="submit"
-                                th:classappend="${section.published} ? 'btn-secondary' : 'btn-primary'"
-                                th:text="${section.published} ? 'Скрыть' : 'Опубликовать'">Скрыть</button>
+                        <button class="mini-btn" type="submit" th:if="${section.published}" title="Скрыть раздел" aria-label="Скрыть раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                        <button class="mini-btn" type="submit" th:unless="${section.published}" title="Опубликовать раздел" aria-label="Опубликовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                     </form>
-                    <button class="btn btn-secondary" type="button"
-                            th:data-modal="|modal-move-${section.id}|" onclick="openModalData(this)">Перенести статьи и удалить</button>
+                    <button class="mini-btn" type="button" th:data-modal="|modal-move-${section.id}|" onclick="openModalData(this)" title="Перенести статьи и удалить" aria-label="Перенести статьи и удалить"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></button>
                     <form class="inline-form" th:action="@{/admin/content/sections/{id}/delete(id=${section.id})}" method="post"
                           onsubmit="return confirm('Удалить раздел вместе со статьями?')">
                         <input type="hidden" name="_csrf" th:value="${csrfToken}">
                         <input type="hidden" name="back" th:value="${back}">
-                        <button class="btn btn-danger" type="submit">Удалить</button>
+                        <button class="mini-btn danger" type="submit" title="Удалить раздел вместе со статьями" aria-label="Удалить раздел вместе со статьями"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
                     </form>
                 </div>
             </div>
@@ -89,7 +85,7 @@
                     <li th:each="article : ${section.articles}" th:attr="data-article-id=${article.id}">
                         <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                               th:attr="data-drag-kind='article',data-drag-id=${article.id}"
-                              title="Перетащите мышью: изменить порядок или перенести в другой раздел">⠿</span>
+                              title="Перетащите мышью: изменить порядок или перенести в другой раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
                         <a class="sort-title"
                            th:href="@{/learn/{c}/{s}/{a}(c=${chapter.slug}, s=${section.slug}, a=${article.slug})}"
                            th:text="${article.title}">Статья</a>
@@ -102,9 +98,8 @@
                                 <input type="hidden" name="id" th:value="${article.id}">
                                 <input type="hidden" name="published" th:value="${!article.published}">
                                 <input type="hidden" name="back" th:value="${back}">
-                                <button class="btn" type="submit"
-                                        th:classappend="${article.published} ? 'btn-secondary' : 'btn-primary'"
-                                        th:text="${article.published} ? 'Скрыть' : 'Опубликовать'">Скрыть</button>
+                                <button class="mini-btn" type="submit" th:if="${article.published}" title="Скрыть статью" aria-label="Скрыть статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                                <button class="mini-btn" type="submit" th:unless="${article.published}" title="Опубликовать статью" aria-label="Опубликовать статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                             </form>
                         </div>
                     </li>
diff --git a/web/src/main/resources/templates/learn/index.html b/web/src/main/resources/templates/learn/index.html
index 06c6402..6c6bc90 100644
--- a/web/src/main/resources/templates/learn/index.html
+++ b/web/src/main/resources/templates/learn/index.html
@@ -24,7 +24,7 @@
         <div class="sort-row">
             <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                   th:attr="data-drag-kind='chapter',data-drag-id=${chapter.id}"
-                  title="Перетащите мышью: изменить порядок глав">⠿</span>
+                  title="Перетащите мышью: изменить порядок глав"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
             <h2 class="section-title sort-title m-0" th:text="${chapter.title}">Глава</h2>
             <span th:if="${!chapter.published}" class="badge badge-warn">скрыто</span>
             <div th:if="${currentUser != null and currentUser.admin}" class="sort-actions">
@@ -32,16 +32,14 @@
                     <input type="hidden" name="_csrf" th:value="${csrfToken}">
                     <input type="hidden" name="id" th:value="${chapter.id}">
                     <input type="hidden" name="published" th:value="${!chapter.published}">
-                    <button class="btn" type="submit"
-                            th:classappend="${chapter.published} ? 'btn-secondary' : 'btn-primary'"
-                            th:text="${chapter.published} ? 'Скрыть главу' : 'Опубликовать главу'">Скрыть главу</button>
+                    <button class="mini-btn" type="submit" th:if="${chapter.published}" title="Скрыть главу" aria-label="Скрыть главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                    <button class="mini-btn" type="submit" th:unless="${chapter.published}" title="Опубликовать главу" aria-label="Опубликовать главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                 </form>
-                <button class="btn btn-secondary" type="button"
-                        th:data-modal="|modal-rename-chapter-${chapter.id}|" onclick="openModalData(this)">Переименовать</button>
+                <button class="mini-btn" type="button" th:data-modal="|modal-rename-chapter-${chapter.id}|" onclick="openModalData(this)" title="Переименовать главу" aria-label="Переименовать главу"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.8 2.8 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z"/></svg></button>
                 <form class="inline-form" th:action="@{/admin/content/chapters/{id}/delete(id=${chapter.id})}" method="post"
                       onsubmit="return confirm('Удалить главу со всеми разделами и статьями?')">
                     <input type="hidden" name="_csrf" th:value="${csrfToken}">
-                    <button class="btn btn-danger" type="submit">Удалить главу</button>
+                    <button class="mini-btn danger" type="submit" title="Удалить главу со всеми разделами и статьями" aria-label="Удалить главу со всеми разделами и статьями"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
                 </form>
             </div>
         </div>
@@ -54,7 +52,7 @@
                 <div class="sub-head sort-row">
                     <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                           th:attr="data-drag-kind='section',data-drag-id=${section.id}"
-                          title="Перетащите мышью: изменить порядок или перенести раздел">⠿</span>
+                          title="Перетащите мышью: изменить порядок или перенести раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
                     <button type="button" class="sub-toggle" aria-expanded="false" onclick="toggleSection(this)"
                             title="Свернуть или развернуть раздел">
                         <span class="sub-arrow" aria-hidden="true"></span>
@@ -68,18 +66,15 @@
                             <input type="hidden" name="_csrf" th:value="${csrfToken}">
                             <input type="hidden" name="id" th:value="${section.id}">
                             <input type="hidden" name="published" th:value="${!section.published}">
-                            <button class="btn" type="submit"
-                                    th:classappend="${section.published} ? 'btn-secondary' : 'btn-primary'"
-                                    th:text="${section.published} ? 'Скрыть раздел' : 'Опубликовать раздел'">Скрыть раздел</button>
+                            <button class="mini-btn" type="submit" th:if="${section.published}" title="Скрыть раздел" aria-label="Скрыть раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                            <button class="mini-btn" type="submit" th:unless="${section.published}" title="Опубликовать раздел" aria-label="Опубликовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                         </form>
-                        <button class="btn btn-secondary" type="button"
-                                th:data-modal="|modal-rename-section-${section.id}|" onclick="openModalData(this)">Переименовать</button>
-                        <button class="btn btn-secondary" type="button"
-                                th:data-modal="|modal-move-${section.id}|" onclick="openModalData(this)">Перенести статьи</button>
+                        <button class="mini-btn" type="button" th:data-modal="|modal-rename-section-${section.id}|" onclick="openModalData(this)" title="Переименовать раздел" aria-label="Переименовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.8 2.8 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z"/></svg></button>
+                        <button class="mini-btn" type="button" th:data-modal="|modal-move-${section.id}|" onclick="openModalData(this)" title="Перенести статьи в другой раздел" aria-label="Перенести статьи в другой раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></button>
                         <form class="inline-form" th:action="@{/admin/content/sections/{id}/delete(id=${section.id})}" method="post"
                               onsubmit="return confirm('Удалить раздел со всеми статьями?')">
                             <input type="hidden" name="_csrf" th:value="${csrfToken}">
-                            <button class="btn btn-danger" type="submit">Удалить раздел</button>
+                            <button class="mini-btn danger" type="submit" title="Удалить раздел со всеми статьями" aria-label="Удалить раздел со всеми статьями"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
                         </form>
                     </div>
                 </div>
@@ -89,7 +84,7 @@
                         <li th:each="article : ${section.articles}" th:attr="data-article-id=${article.id}">
                             <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                                   th:attr="data-drag-kind='article',data-drag-id=${article.id}"
-                                  title="Перетащите мышью: изменить порядок или перенести статью">⠿</span>
+                                  title="Перетащите мышью: изменить порядок или перенести статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
                             <a class="sort-title"
                                th:href="@{/learn/{c}/{s}/{a}(c=${chapter.slug}, s=${section.slug}, a=${article.slug})}"
                                th:text="${article.title}">Статья</a>
@@ -99,16 +94,15 @@
                                     <input type="hidden" name="_csrf" th:value="${csrfToken}">
                                     <input type="hidden" name="id" th:value="${article.id}">
                                     <input type="hidden" name="published" th:value="${!article.published}">
-                                    <button class="btn" type="submit"
-                                            th:classappend="${article.published} ? 'btn-secondary' : 'btn-primary'"
-                                            th:text="${article.published} ? 'Скрыть' : 'Опубликовать'">Скрыть</button>
+                                    <button class="mini-btn" type="submit" th:if="${article.published}" title="Скрыть статью" aria-label="Скрыть статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                                    <button class="mini-btn" type="submit" th:unless="${article.published}" title="Опубликовать статью" aria-label="Опубликовать статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                                 </form>
                                 <a class="btn btn-secondary"
                                    th:href="@{/learn/{c}/{s}/{a}(c=${chapter.slug}, s=${section.slug}, a=${article.slug}, edit=1)}">Править</a>
                                 <form class="inline-form" th:action="@{/admin/content/articles/{id}/delete(id=${article.id})}" method="post"
                                       onsubmit="return confirm('Удалить статью?')">
                                     <input type="hidden" name="_csrf" th:value="${csrfToken}">
-                                    <button class="btn btn-danger" type="submit">✕</button>
+                                    <button class="mini-btn danger" type="submit" title="Удалить статью" aria-label="Удалить статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
                                 </form>
                             </div>
                         </li>
diff --git a/web/src/main/resources/templates/learn/section.html b/web/src/main/resources/templates/learn/section.html
index 2a87711..28cb1ef 100644
--- a/web/src/main/resources/templates/learn/section.html
+++ b/web/src/main/resources/templates/learn/section.html
@@ -18,27 +18,26 @@
 
     <div th:if="${currentUser != null and currentUser.admin}" class="flex flex-wrap gap-2 mb-4">
         <button class="btn btn-primary" type="button" onclick="openModal('modal-new-article')">+ Статья</button>
-        <button class="btn btn-secondary" type="button" onclick="openModal('modal-rename-section')">Переименовать раздел</button>
+        <button class="mini-btn" type="button" onclick="openModal('modal-rename-section')" title="Переименовать раздел" aria-label="Переименовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.8 2.8 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z"/></svg></button>
         <form class="inline-form" th:action="@{/admin/content/sections/toggle-published}" method="post">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="id" th:value="${section.id}">
             <input type="hidden" name="published" th:value="${!section.published}">
             <input type="hidden" name="back" th:value="${back}">
-            <button class="btn" type="submit"
-                    th:classappend="${section.published} ? 'btn-secondary' : 'btn-primary'"
-                    th:text="${section.published} ? 'Скрыть раздел' : 'Опубликовать раздел'">Скрыть</button>
+            <button class="mini-btn" type="submit" th:if="${section.published}" title="Скрыть раздел" aria-label="Скрыть раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+            <button class="mini-btn" type="submit" th:unless="${section.published}" title="Опубликовать раздел" aria-label="Опубликовать раздел"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
         </form>
-        <button class="btn btn-secondary" type="button" onclick="openModal('modal-move-section')">Перенести статьи и удалить</button>
+        <button class="mini-btn" type="button" onclick="openModal('modal-move-section')" title="Перенести статьи и удалить" aria-label="Перенести статьи и удалить"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></button>
         <form class="inline-form" th:action="@{/admin/content/sections/{id}/delete(id=${section.id})}" method="post"
               onsubmit="return confirm('Удалить раздел вместе со статьями?')">
             <input type="hidden" name="_csrf" th:value="${csrfToken}">
             <input type="hidden" name="back" th:value="${backParent}">
-            <button class="btn btn-danger" type="submit">Удалить раздел</button>
+            <button class="mini-btn danger" type="submit" title="Удалить раздел вместе со статьями" aria-label="Удалить раздел вместе со статьями"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg></button>
         </form>
     </div>
 
     <div th:if="${currentUser != null and currentUser.admin}" class="card card-body text-sm text-muted mb-4">
-        Перетаскивайте статьи за значок ⠿, чтобы менять их порядок. Порядок сохраняется сразу.
+        Перетаскивайте статьи за значок руки, чтобы менять их порядок. Порядок сохраняется сразу.
     </div>
     <div th:if="${currentUser != null and currentUser.admin}" id="sort-status" class="sort-status" hidden>
         <span id="sort-status-text">Изменения не сохранены…</span>
@@ -52,7 +51,7 @@
                 <td>
                     <span th:if="${currentUser != null and currentUser.admin}" class="drag-handle" draggable="true"
                           th:attr="data-drag-kind='article',data-drag-id=${article.id}"
-                          title="Перетащите, чтобы изменить порядок статей">⠿</span>
+                          title="Перетащите, чтобы изменить порядок статей"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 11V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M14 10V4a2 2 0 0 0-2-2a2 2 0 0 0-2 2"/><path d="M10 10.5V6a2 2 0 0 0-2-2a2 2 0 0 0-2 2v8"/><path d="M18 8a2 2 0 1 1 4 0v6a8 8 0 0 1-8 8h-2c-2.8 0-4.5-.86-5.99-2.34l-3.6-3.6a2 2 0 0 1 2.83-2.82L7 15"/></svg></span>
                     <a th:href="@{/learn/{c}/{s}/{a}(c=${chapter.slug}, s=${section.slug}, a=${article.slug})}"
                        th:text="${article.title}">—</a>
                     <span th:if="${!article.published}" class="badge badge-warn ml-1">скрыто</span>
@@ -65,9 +64,8 @@
                         <input type="hidden" name="id" th:value="${article.id}">
                         <input type="hidden" name="published" th:value="${!article.published}">
                         <input type="hidden" name="back" th:value="${back}">
-                        <button class="btn" type="submit"
-                                th:classappend="${article.published} ? 'btn-secondary' : 'btn-primary'"
-                                th:text="${article.published} ? 'Скрыть' : 'Опубликовать'">Скрыть</button>
+                        <button class="mini-btn" type="submit" th:if="${article.published}" title="Скрыть статью" aria-label="Скрыть статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/></svg></button>
+                        <button class="mini-btn" type="submit" th:unless="${article.published}" title="Опубликовать статью" aria-label="Опубликовать статью"><svg class="cell-ico" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z"/><circle cx="12" cy="12" r="3"/><line x1="3" y1="3" x2="21" y2="21"/></svg></button>
                     </form>
                     <form class="inline-form" th:action="@{/admin/content/articles/{id}/delete(id=${article.id})}" method="post"
                           onsubmit="return confirm('Удалить статью?')">