diff --git a/app/controllers/api/v1/admin/database_controller.rb b/app/controllers/api/v1/admin/database_controller.rb
index b601cd7..d270bbd 100644
--- a/app/controllers/api/v1/admin/database_controller.rb
+++ b/app/controllers/api/v1/admin/database_controller.rb
@@ -30,7 +30,7 @@ module Api
             File.binwrite(uploaded_path, upload.read)
             sql_path = extract_sql(uploaded_path, directory)
             restore_path = build_atomic_restore_file(sql_path, directory)
-            Rails.logger.info("Atomic database restore v2026.08.16.8 using #{File.basename(restore_path)}")
+            Rails.logger.info("Atomic database restore v2026.08.18.1 using #{File.basename(restore_path)}")
             run_database_command!(psql_command(restore_path))
             # The restored schema invalidates prepared statements and the schema
             # cache of already open Rails connections. Reconnect cleanly before
diff --git a/config/initializers/build_version.rb b/config/initializers/build_version.rb
index fc4f820..0b1e326 100644
--- a/config/initializers/build_version.rb
+++ b/config/initializers/build_version.rb
@@ -1,2 +1,2 @@
-Rails.application.config.x.build_version = "2026.08.16.8"
-Rails.logger.info("Praktikum API build 2026.08.16.8 loaded")
+Rails.application.config.x.build_version = "2026.08.18.1"
+Rails.logger.info("Praktikum API build 2026.08.18.1 loaded")
diff --git a/docker-compose.yml b/docker-compose.yml
index a2c092d..408c52d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,5 @@
 version: "2.4"
+
 services:
   db:
     image: postgres:17
diff --git a/frontend/src/app/app.component.ts b/frontend/src/app/app.component.ts
index f42dd84..b3d0cae 100644
--- a/frontend/src/app/app.component.ts
+++ b/frontend/src/app/app.component.ts
@@ -77,7 +77,7 @@ import { ApiService } from "./core/api.service";
             <button mat-button (click)="logout()">
               <mat-icon>logout</mat-icon> Abmelden
             </button>
-            <small class="build-version">Build 2026.08.16.8</small>
+            <small class="build-version">Build 2026.08.18.1</small>
           </div>
           </div>
         </mat-sidenav
diff --git a/frontend/src/app/pages/calendar.component.ts b/frontend/src/app/pages/calendar.component.ts
index c8e7cea..ab751e9 100644
--- a/frontend/src/app/pages/calendar.component.ts
+++ b/frontend/src/app/pages/calendar.component.ts
@@ -39,7 +39,7 @@ import { Entry } from "../core/models";
       <mat-progress-bar mode="indeterminate" />
     }
     <mat-card class="calendar"
-      ><div class="weekdays">
+      ><div class="weekdays" aria-hidden="true">
         @for (d of weekdays; track d) {
           <strong>{{ d }}</strong>
         }
@@ -61,7 +61,7 @@ import { Entry } from "../core/models";
               >
             </div>
             @for (e of forDay(day.key); track e.id) {
-              <a class="event" [class]="'event ' + typeClass(e.praktikums_typ)" [routerLink]="['/entries', e.id, 'edit']"
+              <a class="event" [class]="'event ' + typeClass(e.praktikums_typ)" [routerLink]="['/entries', e.id, 'edit']" [attr.aria-label]="e.entry_art + ', ' + e.hours + ' Stunden ' + e.minutes + ' Minuten'"
                 ><strong>{{ e.entry_art }}</strong
                 ><span>{{ e.hours }}h {{ e.minutes }}min</span></a
               >
@@ -75,6 +75,7 @@ import { Entry } from "../core/models";
     `
       .calendar {
         overflow: hidden;
+        min-width: 0;
       }
       .calendar-filters { margin-bottom:18px; }
       .calendar-filters mat-card-content { display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:0; }
@@ -83,7 +84,8 @@ import { Entry } from "../core/models";
       .weekdays,
       .days {
         display: grid;
-        grid-template-columns: repeat(7, 1fr);
+        grid-template-columns: repeat(7, minmax(0, 1fr));
+        min-width: 0;
       }
       .weekdays {
         padding: 14px;
@@ -93,9 +95,11 @@ import { Entry } from "../core/models";
       }
       .day {
         min-height: 145px;
+        min-width: 0;
         padding: 8px;
         border-top: 1px solid #e1e6ef;
         border-right: 1px solid #e1e6ef;
+        overflow: hidden;
       }
       .day-head {
         display: flex;
@@ -123,6 +127,10 @@ import { Entry } from "../core/models";
       .event {
         display: flex;
         flex-direction: column;
+        width: 100%;
+        min-width: 0;
+        max-width: 100%;
+        overflow: hidden;
         text-decoration: none;
         color: inherit;
         background: #dce9ff;
@@ -136,10 +144,29 @@ import { Entry } from "../core/models";
         opacity: 0.75;
         margin-top: 2px;
       }
+      .event strong,
+      .event span {
+        display: block;
+        min-width: 0;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+      }
       .event.type-propaedeutikum { background:rgba(13,110,253,.14);border-left-color:#0d6efd; }
       .event.type-fachspezifikum { background:rgba(25,135,84,.14);border-left-color:#198754; }
       .event.type-mediation { background:rgba(253,126,20,.16);border-left-color:#fd7e14; }
       @media (max-width: 700px) {
+        .calendar-filters mat-card-content {
+          gap: 8px;
+          padding: 12px 12px 0;
+        }
+        .calendar-filters mat-form-field {
+          width: 100%;
+          min-width: 0;
+        }
+        .weekdays {
+          padding: 9px 0;
+        }
         .weekdays strong {
           font-size: 0;
         }
@@ -147,17 +174,63 @@ import { Entry } from "../core/models";
           font-size: 13px;
         }
         .day {
-          min-height: 90px;
-          padding: 4px;
+          min-height: 92px;
+          padding: 4px 3px;
+        }
+        .day-head a {
+          width: 30px;
+          height: 30px;
+          padding: 3px;
+          transform: none;
+        }
+        .day-head mat-icon {
+          width: 20px;
+          height: 20px;
+          font-size: 20px;
+          line-height: 20px;
         }
-        .event strong {
-          overflow: hidden;
-          text-overflow: ellipsis;
+        .event {
+          padding: 4px;
+          border-left-width: 2px;
+          font-size: 11px;
         }
         .event span {
           display: none;
         }
       }
+      @media (max-width: 480px) {
+        .weekdays strong:first-letter {
+          font-size: 11px;
+        }
+        .day {
+          min-height: 78px;
+          padding: 3px 2px;
+        }
+        .day-head {
+          font-size: 12px;
+        }
+        .day-head a {
+          width: 24px;
+          height: 24px;
+          padding: 2px;
+        }
+        .day-head mat-icon {
+          width: 18px;
+          height: 18px;
+          font-size: 18px;
+          line-height: 18px;
+        }
+        .today .day-head > span {
+          width: 24px;
+          height: 24px;
+        }
+        .event {
+          margin: 3px 0;
+          padding: 3px 2px;
+          border-radius: 4px;
+          font-size: 10px;
+        }
+      }
     `,
   ],
 })
diff --git a/frontend/src/app/pages/entries.component.ts b/frontend/src/app/pages/entries.component.ts
index 2d12268..8a366fd 100644
--- a/frontend/src/app/pages/entries.component.ts
+++ b/frontend/src/app/pages/entries.component.ts
@@ -125,7 +125,7 @@ import { Dashboard, Entry } from "../core/models";
         margin-bottom: 20px;
       }
       .entries-page {
-        max-width: 1680px;
+        max-width: 1720px;
       }
       .timer-card { margin-bottom: 20px; }
       .timer-card mat-card-content { display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap; }
diff --git a/frontend/src/styles.scss b/frontend/src/styles.scss
index 805de3b..9778662 100644
--- a/frontend/src/styles.scss
+++ b/frontend/src/styles.scss
@@ -43,7 +43,7 @@ h1,h2,h3,h4,h5,h6 { color:var(--app-text); letter-spacing:-.025em; }
 .mat-mdc-option,.mat-mdc-table,.mat-mdc-dialog-container,.mat-mdc-card,.mat-mdc-menu-panel,
 .mat-toolbar,.mat-mdc-checkbox,.mat-mdc-snack-bar-container,.cdk-overlay-container { font-family:$font !important; }
 .page {
-  max-width:1480px;
+  max-width:1720px;
   min-height:0 !important;
   height:auto !important;
   margin:0 auto;
@@ -77,4 +77,4 @@ body.dark .cost-year { background:var(--app-surface-soft) !important; }
 .shell.mat-drawer-container { height:100dvh; min-height:0; overflow:hidden; }
 .shell .mat-drawer-inner-container { overflow:hidden; }
 .shell .mat-drawer-content { height:100%; min-height:0; overflow-y:auto; overflow-x:hidden; }
-@media(max-width:700px){.page{padding:20px 12px 36px}.page-head{align-items:flex-start;flex-direction:column}.hide-mobile{display:none!important}}
+@media(max-width:700px){.page{padding:20px 10px 36px}.page-head{align-items:flex-start;flex-direction:column}.hide-mobile{display:none!important}}