Improve the mobile view of hackorum - we now have a burger menue, a single column that automatically adjusts the size and the topic list, that looks and fits

Signed-off-by: Kai Wagner <kai.wagner@percona.com>

Author: ImTheKai

app/assets/stylesheets/base/root.css

@@ -79,3 +79,71 @@ body.sidebar-collapsed .page-layout.with-sidebar > main.container {
 .page-layout.with-sidebar > main.container {
   grid-area: main;
 }
+
+.layout-sidebar-overlay {
+  display: none;
+}
+
+@media (max-width: 900px) {
+  .container {
+    padding: 0;
+  }
+
+  .page-layout.with-sidebar {
+    grid-template-columns: minmax(0, 1fr);
+    grid-template-areas: "main";
+  }
+
+  body.sidebar-collapsed .page-layout.with-sidebar {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .page-layout.with-sidebar .layout-sidebar {
+    position: fixed;
+    top: var(--nav-height);
+    left: 0;
+    height: calc(100vh - var(--nav-height));
+    width: min(84vw, 360px);
+    max-width: 360px;
+    transform: translateX(-110%);
+    transition: transform var(--transition-normal);
+    z-index: 200;
+    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
+  }
+
+  body.mobile-sidebar-open .page-layout.with-sidebar .layout-sidebar {
+    transform: translateX(0);
+  }
+
+  body.sidebar-collapsed .page-layout.with-sidebar .layout-sidebar {
+    visibility: visible;
+    pointer-events: auto;
+  }
+
+  .page-layout.with-sidebar .layout-sidebar-resizer {
+    display: none;
+  }
+
+  .layout-sidebar-overlay {
+    display: block;
+    position: fixed;
+    top: var(--nav-height);
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(15, 23, 42, 0.45);
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity var(--transition-normal);
+    z-index: 150;
+  }
+
+  body.mobile-sidebar-open .layout-sidebar-overlay {
+    opacity: 1;
+    pointer-events: auto;
+  }
+
+  body.mobile-sidebar-open {
+    overflow: hidden;
+  }
+}

app/assets/stylesheets/components/navigation.css

@@ -19,12 +19,35 @@
   align-items: center;
   min-height: var(--nav-height);
   gap: var(--spacing-4);
+  position: relative;
+}
+
+.nav-burger {
+  display: none;
+  align-items: center;
+  justify-content: center;
+  width: 44px;
+  height: 44px;
+  border-radius: 999px;
+  border: var(--border-width) solid var(--color-border);
+  background: var(--color-bg-card);
+  cursor: pointer;
+  box-shadow: var(--shadow-sm);
+  transition: background-color var(--transition-fast), transform var(--transition-fast);
+  color: var(--color-text-secondary);
+  font-size: 1.1rem;
+}
+
+.nav-burger:hover {
+  background: var(--color-bg-hover);
+  transform: scale(1.03);
 }
 
 .nav-brand {
   display: flex;
   align-items: center;
   gap: var(--spacing-3);
+  flex: 1 1 auto;
 }
 
 .brand-link {
@@ -130,3 +153,125 @@
     background: var(--color-bg-hover);
   }
 }
+
+.mobile-nav-dropdown {
+  display: none;
+  position: relative;
+  margin-left: var(--spacing-2);
+}
+
+.mobile-nav-toggle {
+  list-style: none;
+  display: inline-flex;
+  align-items: center;
+  gap: var(--spacing-2);
+  cursor: pointer;
+  background: var(--color-bg-card);
+  border: var(--border-width) solid var(--color-border);
+  border-radius: 999px;
+  padding: var(--spacing-2) var(--spacing-4);
+  color: var(--color-text-secondary);
+  font-weight: var(--font-weight-medium);
+  box-shadow: var(--shadow-sm);
+  transition: background-color var(--transition-fast), transform var(--transition-fast);
+}
+
+.mobile-nav-label {
+  display: inline;
+}
+
+.mobile-nav-toggle::marker,
+.mobile-nav-toggle::-webkit-details-marker {
+  display: none;
+}
+
+.mobile-nav-toggle:hover {
+  background: var(--color-bg-hover);
+  transform: translateY(-1px);
+}
+
+.mobile-nav-menu {
+  display: none;
+  position: absolute;
+  left: 0;
+  top: calc(100% + var(--spacing-3));
+  background: var(--color-bg-card);
+  border: var(--border-width) solid var(--color-border);
+  border-radius: var(--border-radius-lg);
+  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
+  padding: var(--spacing-4);
+  gap: var(--spacing-3);
+  flex-direction: column;
+  z-index: 200;
+  width: min(92vw, 360px);
+  min-width: 240px;
+  max-width: calc(100vw - (var(--spacing-4) * 2));
+  box-sizing: border-box;
+}
+
+.mobile-nav-dropdown[open] .mobile-nav-menu {
+  display: flex;
+}
+
+@media (max-width: 900px) {
+  .nav-container {
+    padding: 0 var(--spacing-4);
+  }
+
+  .tagline {
+    display: none;
+  }
+
+  .nav-links,
+  .nav-right {
+    display: none;
+  }
+
+  body.has-sidebar .nav-burger {
+    display: inline-flex;
+  }
+
+  .mobile-nav-dropdown {
+    display: inline-flex;
+  }
+
+  .nav-brand {
+    gap: var(--spacing-2);
+  }
+
+  .brand-link {
+    font-size: var(--font-size-lg);
+  }
+
+  .mobile-nav-toggle {
+    padding: var(--spacing-1) var(--spacing-2);
+    border: none;
+    background: transparent;
+    box-shadow: none;
+  }
+
+  .mobile-nav-label {
+    display: none;
+  }
+
+  .mobile-nav-menu .nav-link {
+    width: 100%;
+    justify-content: space-between;
+  }
+
+  .mobile-nav-menu .nav-user {
+    display: block;
+    padding: 0 var(--spacing-2);
+  }
+
+  .mobile-nav-menu {
+    position: fixed;
+    left: var(--spacing-4);
+    right: var(--spacing-4);
+    top: calc(var(--nav-height) + var(--spacing-3));
+    width: auto;
+    max-width: none;
+    max-height: calc(100vh - var(--nav-height) - var(--spacing-6));
+    overflow-y: auto;
+  }
+}

app/assets/stylesheets/components/settings.css

@@ -247,6 +247,31 @@
   padding: var(--spacing-2) var(--spacing-3);
 }
 
+@media (max-width: 900px) {
+  .settings-page .email-table {
+    table-layout: fixed;
+  }
+
+  .settings-page .email-table th,
+  .settings-page .email-table td {
+    padding: var(--spacing-2);
+    font-size: var(--font-size-xs);
+    word-break: break-word;
+    white-space: normal;
+  }
+
+  .settings-page .email-table td:last-child {
+    flex-wrap: wrap;
+    gap: var(--spacing-2);
+  }
+
+  .settings-page .email-table .button-secondary,
+  .settings-page .email-table .button-danger {
+    width: 100%;
+    justify-content: center;
+  }
+}
+
 .settings-page .team-list,
 .settings-page .member-list {
   list-style: none;

app/assets/stylesheets/components/sidebar.css

@@ -45,6 +45,16 @@
   }
 }
 
+@media (max-width: 900px) {
+  .sidebar {
+    position: static;
+    top: auto;
+    max-height: none;
+    height: 100%;
+    padding-right: 0;
+  }
+}
+
 .sidebar-section {
   margin-bottom: var(--spacing-8);
 }