chore: build

frontend-prep/src/components/Navbar.css

@@ -443,59 +443,106 @@ body {
 }
 
 /* ============================================================
-   Notification panel
+   Notification bottom-sheet modal
    ============================================================ */
-.notif-panel {
-    position: absolute;
-    top: calc(var(--topbar-h) - 4px);
-    right: 0;
-    width: 300px;
-    max-height: 380px;
+.notif-modal-overlay {
+    position: fixed;
+    inset: 0;
+    z-index: 1100;
+    background: rgba(0, 0, 0, 0.55);
+    backdrop-filter: blur(3px);
+    -webkit-backdrop-filter: blur(3px);
+    display: flex;
+    align-items: flex-end;
+    justify-content: center;
+    animation: fadeIn 0.18s ease;
+}
+
+.notif-modal {
+    width: 100%;
+    max-width: 640px;
+    height: 70vh;
     background: var(--surface);
-    border: 1px solid var(--border);
-    border-radius: 14px;
-    overflow: hidden;
-    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
+    border-top-left-radius: 20px;
+    border-top-right-radius: 20px;
     display: flex;
     flex-direction: column;
-    animation: slideDown 0.18s ease;
+    overflow: hidden;
+    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5);
+    animation: slideUp 0.26s cubic-bezier(0.4, 0, 0.2, 1);
 }
 
-@keyframes slideDown {
-    from { opacity: 0; transform: translateY(-6px); }
-    to   { opacity: 1; transform: translateY(0); }
+@keyframes slideUp {
+    from { transform: translateY(100%); }
+    to   { transform: translateY(0); }
 }
 
-.notif-panel-header {
-    padding: 0.7rem 1rem;
+.notif-modal-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 1.1rem 1.25rem;
     border-bottom: 1px solid var(--border);
-    color: var(--text);
-    font-weight: 600;
-    font-size: 0.85rem;
-    letter-spacing: 0.02em;
+    flex-shrink: 0;
 }
 
+.notif-modal-title {
+    color: var(--text);
+    font-size: 1.05rem;
+    font-weight: 700;
+}
+
+.notif-modal-close {
+    width: 32px;
+    height: 32px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: transparent;
+    border: 1px solid var(--border);
+    border-radius: 8px;
+    color: var(--text-muted);
+    font-size: 0.9rem;
+    cursor: pointer;
+    transition: all var(--transition);
+}
+
+.notif-modal-close:hover {
+    background: var(--surface-2);
+    color: var(--text);
+}
+
+.notif-modal-body {
+    flex: 1;
+    overflow-y: auto;
+    scrollbar-width: thin;
+    scrollbar-color: var(--border) transparent;
+}
+
+.notif-modal-body::-webkit-scrollbar { width: 4px; }
+.notif-modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
+
 .notif-empty {
-    padding: 1.5rem;
-    text-align: center;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 3rem 1.5rem;
     color: var(--text-muted);
-    font-size: 0.85rem;
+    font-size: 0.9rem;
+    gap: 0.5rem;
+    height: 100%;
 }
 
-.notif-list {
-    list-style: none;
-    margin: 0;
-    padding: 0;
-    overflow-y: auto;
-    max-height: 320px;
-}
+.notif-empty p { margin: 0; }
 
 .notif-item {
     display: flex;
     flex-direction: column;
-    gap: 0.2rem;
-    padding: 0.7rem 1rem;
+    gap: 0.3rem;
+    padding: 0.9rem 1.25rem;
     border-bottom: 1px solid var(--border);
+    border-left: 3px solid transparent;
     transition: background var(--transition);
 }
 
@@ -503,20 +550,22 @@ body {
 
 .notif-unread {
     background: var(--primary-soft);
-    border-left: 3px solid var(--primary);
+    border-left-color: var(--primary);
 }
 
-.notif-read { opacity: 0.55; }
+.notif-read {
+    opacity: 0.55;
+}
 
 .notif-message {
     color: var(--text);
-    font-size: 0.83rem;
-    line-height: 1.45;
+    font-size: 0.88rem;
+    line-height: 1.5;
 }
 
 .notif-time {
     color: var(--text-muted);
-    font-size: 0.72rem;
+    font-size: 0.74rem;
 }
 
 /* ============================================================