From eaf4d6b0856e949edd1d852f1f78325313e33d6a Mon Sep 17 00:00:00 2001
From: Mathias <mathias@gnm.dev>
Date: Fri, 18 Jul 2025 13:12:26 +0200
Subject: [PATCH] Improve mobile calendar

---
 mobile-calendar/src/App.jsx  |  77 +++--
 mobile-calendar/src/App.sass | 530 ++++++++++++++++++++++++++++-------
 2 files changed, 483 insertions(+), 124 deletions(-)

diff --git a/mobile-calendar/src/App.jsx b/mobile-calendar/src/App.jsx
index 18978b6..8e1f364 100644
--- a/mobile-calendar/src/App.jsx
+++ b/mobile-calendar/src/App.jsx
@@ -121,12 +121,19 @@ const App = () => {
   };
 
   const formatDate = (dateString) => {
-    const date = new Date(dateString);
-    return date.toLocaleDateString('de-DE', {
-      weekday: 'short',
-      day: '2-digit',
-      month: '2-digit'
-    });
+    // Parse the date string ensuring we don't have timezone issues
+    const dateParts = dateString.split('-');
+    const date = new Date(parseInt(dateParts[0]), parseInt(dateParts[1]) - 1, parseInt(dateParts[2]));
+    const today = new Date();
+    today.setHours(0, 0, 0, 0); // Reset time for comparison
+    
+    return {
+      dayNumber: date.getDate(),
+      dayName: date.toLocaleDateString('de-DE', { weekday: 'long' }),
+      monthYear: date.toLocaleDateString('de-DE', { month: 'long', year: 'numeric' }),
+      isToday: date.getTime() === today.getTime(),
+      isThisMonth: date.getMonth() === currentDate.getMonth() && date.getFullYear() === currentDate.getFullYear()
+    };
   };
 
   const getCurrentMonthYear = () => {
@@ -320,29 +327,43 @@ const App = () => {
             </div>
           ) : (
             <div className="events-list">
-              {Object.entries(groupedEvents).map(([date, dayEvents]) => (
-                <div key={date} className="day-section">
-                  <div className="day-header">
-                    <h3>{formatDate(date)}</h3>
-                    <span className="event-count">{dayEvents.length} Termin{dayEvents.length !== 1 ? 'e' : ''}</span>
+              {Object.entries(groupedEvents).map(([date, dayEvents]) => {
+                const dateInfo = formatDate(date);
+                return (
+                  <div key={date} className={`day-section ${dateInfo.isToday ? 'today' : ''} ${!dateInfo.isThisMonth ? 'other-month' : ''}`}>
+                    <div className="day-header">
+                      <div className="day-info">
+                        <div className="day-number">{dateInfo.dayNumber}</div>
+                        <div className="day-details">
+                          <div className="day-name">{dateInfo.dayName}</div>
+                          {!dateInfo.isThisMonth && (
+                            <div className="month-indicator">{dateInfo.monthYear}</div>
+                          )}
+                        </div>
+                      </div>
+                      <div className="event-count">
+                        <span className="count-number">{dayEvents.length}</span>
+                        <span className="count-label">Termin{dayEvents.length !== 1 ? 'e' : ''}</span>
+                      </div>
+                    </div>
+                    <div className="day-events">
+                      {dayEvents.map(event => (
+                        <CalendarEvent
+                          key={event.id}
+                          event={event}
+                          onUpdate={handleUpdateEvent}
+                          onDelete={handleDeleteEvent}
+                          editingEvent={editingEvent}
+                          setEditingEvent={setEditingEvent}
+                          userColor={getUserColor(event.user)}
+                          showUser={viewType === 'family'}
+                          users={users}
+                        />
+                      ))}
+                    </div>
                   </div>
-                  <div className="day-events">
-                    {dayEvents.map(event => (
-                      <CalendarEvent
-                        key={event.id}
-                        event={event}
-                        onUpdate={handleUpdateEvent}
-                        onDelete={handleDeleteEvent}
-                        editingEvent={editingEvent}
-                        setEditingEvent={setEditingEvent}
-                        userColor={getUserColor(event.user)}
-                        showUser={viewType === 'family'}
-                        users={users}
-                      />
-                    ))}
-                  </div>
-                </div>
-              ))}
+                );
+              })}
             </div>
           )}
         </div>
diff --git a/mobile-calendar/src/App.sass b/mobile-calendar/src/App.sass
index 28dcd82..0ea8478 100644
--- a/mobile-calendar/src/App.sass
+++ b/mobile-calendar/src/App.sass
@@ -51,13 +51,15 @@ body
 
 // Header
 .header
-  background: var(--surface-color)
-  border-bottom: 1px solid var(--border-color)
+  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.98) 100%)
+  backdrop-filter: blur(20px)
+  border-bottom: 1px solid rgba(255, 255, 255, 0.2)
   padding: var(--spacing-sm) var(--spacing-md)
   position: sticky
   top: 0
   z-index: 100
-  box-shadow: var(--shadow-light)
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1)
+  border-radius: 0 0 var(--border-radius) var(--border-radius)
 
   .header-content
     display: flex
@@ -68,16 +70,18 @@ body
 
     h1
       font-size: 1.5rem
-      font-weight: 600
+      font-weight: 700
       color: var(--text-primary)
       display: flex
       align-items: center
       gap: var(--spacing-sm)
       justify-content: center
+      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1)
 
       svg
         color: var(--primary-color)
         font-size: 1.25rem
+        filter: drop-shadow(0 2px 4px rgba(0, 122, 255, 0.3))
 
   .month-navigation
     display: flex
@@ -92,21 +96,27 @@ body
       margin: 0
       min-width: 140px
       text-align: center
+      text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1)
 
     .btn-icon
-      width: 40px
-      height: 40px
+      width: 44px
+      height: 44px
       border-radius: 50%
       display: flex
       align-items: center
       justify-content: center
-      background: var(--background-color)
-      border: 1px solid var(--border-color)
+      background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%)
+      border: none
+      color: white
+      transition: all 0.3s ease
+      box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3)
 
       &:hover
-        background: var(--primary-color)
-        color: white
-        border-color: var(--primary-color)
+        transform: translateY(-2px) scale(1.05)
+        box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4)
+
+      &:active
+        transform: translateY(0) scale(0.95)
 
   .view-controls
     display: flex
@@ -114,32 +124,56 @@ body
     justify-content: space-between
     gap: var(--spacing-md)
     padding-top: var(--spacing-sm)
-    border-top: 1px solid var(--border-color)
+    border-top: 1px solid rgba(255, 255, 255, 0.3)
 
     .view-type-toggle
       display: flex
-      gap: var(--spacing-xs)
-      background: var(--background-color)
+      gap: 4px
+      background: rgba(255, 255, 255, 0.7)
       padding: 4px
-      border-radius: var(--border-radius-small)
+      border-radius: var(--border-radius)
+      backdrop-filter: blur(10px)
+      border: 1px solid rgba(255, 255, 255, 0.3)
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1)
 
       .btn
         padding: var(--spacing-xs) var(--spacing-md)
         border-radius: var(--border-radius-small)
         font-size: 0.875rem
+        font-weight: 600
+        transition: all 0.3s ease
+        border: none
+
+        &.btn-primary
+          background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%)
+          color: white
+          box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3)
+
+        &.btn-secondary
+          background: transparent
+          color: var(--text-secondary)
+
+          &:hover
+            background: rgba(255, 255, 255, 0.5)
+            color: var(--text-primary)
 
     .user-select
-      padding: var(--spacing-sm)
-      border: 1px solid var(--border-color)
-      border-radius: var(--border-radius-small)
-      background: var(--surface-color)
+      padding: var(--spacing-sm) var(--spacing-md)
+      border: 1px solid rgba(255, 255, 255, 0.3)
+      border-radius: var(--border-radius)
+      background: rgba(255, 255, 255, 0.7)
+      backdrop-filter: blur(10px)
       font-size: 0.875rem
+      font-weight: 500
       min-width: 120px
+      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1)
+      transition: all 0.3s ease
 
       &:focus
         outline: none
         border-color: var(--primary-color)
-        box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1)
+        box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2)
+        background: rgba(255, 255, 255, 0.9)
 
 // Main Content
 .main
@@ -152,32 +186,47 @@ body
 
 // Error Message
 .error-message
-  background: var(--danger-color)
+  background: linear-gradient(135deg, var(--danger-color) 0%, #dc3545 100%)
   color: white
-  padding: var(--spacing-md)
-  border-radius: var(--border-radius-small)
+  padding: var(--spacing-md) var(--spacing-lg)
+  border-radius: var(--border-radius)
   margin-bottom: var(--spacing-md)
   display: flex
   align-items: center
   justify-content: space-between
   font-weight: 500
+  box-shadow: 0 4px 15px rgba(255, 59, 48, 0.3)
+  backdrop-filter: blur(10px)
+  border: 1px solid rgba(255, 255, 255, 0.1)
+  animation: slideInFromTop 0.3s ease
 
   button
-    background: none
+    background: rgba(255, 255, 255, 0.2)
     border: none
     color: white
     font-size: 1.25rem
     cursor: pointer
     padding: 0
-    width: 24px
-    height: 24px
+    width: 28px
+    height: 28px
     border-radius: 50%
     display: flex
     align-items: center
     justify-content: center
+    transition: all 0.3s ease
+    backdrop-filter: blur(10px)
 
     &:hover
-      background: rgba(255, 255, 255, 0.1)
+      background: rgba(255, 255, 255, 0.3)
+      transform: scale(1.1)
+
+@keyframes slideInFromTop
+  from
+    opacity: 0
+    transform: translateY(-10px)
+  to
+    opacity: 1
+    transform: translateY(0)
 
 // Loading State
 .loading
@@ -189,14 +238,24 @@ body
   color: var(--text-secondary)
 
   .loading-icon
-    font-size: 3rem
+    font-size: 3.5rem
     color: var(--primary-color)
-    margin-bottom: var(--spacing-md)
-    animation: pulse 2s infinite
+    margin-bottom: var(--spacing-lg)
+    animation: pulse-glow 2s infinite
+    filter: drop-shadow(0 0 20px rgba(0, 122, 255, 0.3))
 
   p
-    font-size: 1.1rem
-    font-weight: 500
+    font-size: 1.125rem
+    font-weight: 600
+    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1)
+
+@keyframes pulse-glow
+  0%, 100%
+    opacity: 1
+    transform: scale(1)
+  50%
+    opacity: 0.7
+    transform: scale(1.05)
 
 @keyframes pulse
   0%, 100%
@@ -204,6 +263,14 @@ body
   50%
     opacity: 0.5
 
+@keyframes pulse-today
+  0%, 100%
+    transform: scale(1)
+    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7)
+  50%
+    transform: scale(1.05)
+    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0)
+
 // Calendar Content
 .calendar-content
   display: flex
@@ -221,12 +288,19 @@ body
   border-radius: var(--border-radius)
   box-shadow: var(--shadow-light)
   text-align: center
+  border: 2px dashed var(--border-color)
+  transition: all 0.3s ease
+
+  &:hover
+    border-color: var(--primary-color)
+    box-shadow: var(--shadow-medium)
 
   svg
     font-size: 3rem
     margin-bottom: var(--spacing-md)
     color: var(--primary-color)
     opacity: 0.5
+    animation: float 3s ease-in-out infinite
 
   p
     font-size: 1.1rem
@@ -238,6 +312,12 @@ body
     color: var(--text-secondary)
     line-height: 1.4
 
+@keyframes float
+  0%, 100%
+    transform: translateY(0)
+  50%
+    transform: translateY(-10px)
+
 // Events List
 .events-list
   display: flex
@@ -249,32 +329,120 @@ body
   border-radius: var(--border-radius)
   box-shadow: var(--shadow-light)
   overflow: hidden
+  transition: all 0.3s ease
+  border: 2px solid transparent
+
+  &:hover
+    box-shadow: var(--shadow-medium)
+    transform: translateY(-2px)
+
+  &.today
+    border-color: var(--primary-color)
+    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2)
+
+    .day-header
+      background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%)
+
+      .day-number
+        background: rgba(255, 255, 255, 0.2)
+        color: white
+        animation: pulse-today 2s infinite
+
+  &.other-month
+    opacity: 0.7
+
+    .day-header
+      background: linear-gradient(135deg, var(--text-muted) 0%, #6c757d 100%)
 
   .day-header
-    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%)
+    background: linear-gradient(135deg, var(--secondary-color) 0%, #4c46a6 100%)
     color: white
-    padding: var(--spacing-md)
+    padding: var(--spacing-md) var(--spacing-lg)
     display: flex
     align-items: center
     justify-content: space-between
+    position: relative
+    overflow: hidden
 
-    h3
-      font-size: 1.125rem
-      font-weight: 600
-      margin: 0
+    &::before
+      content: ''
+      position: absolute
+      top: 0
+      left: 0
+      right: 0
+      bottom: 0
+      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat
+      opacity: 0.3
+
+    .day-info
+      display: flex
+      align-items: center
+      gap: var(--spacing-md)
+      position: relative
+      z-index: 1
+
+      .day-number
+        background: rgba(255, 255, 255, 0.15)
+        border: 2px solid rgba(255, 255, 255, 0.3)
+        border-radius: 50%
+        width: 64px
+        height: 64px
+        display: flex
+        align-items: center
+        justify-content: center
+        font-size: 1.75rem
+        font-weight: 700
+        color: white
+        transition: all 0.3s ease
+        backdrop-filter: blur(10px)
+
+      .day-details
+        display: flex
+        flex-direction: column
+        gap: 2px
+
+        .day-name
+          font-size: 1.125rem
+          font-weight: 600
+          text-transform: capitalize
+          letter-spacing: 0.5px
+
+        .month-indicator
+          font-size: 0.75rem
+          opacity: 0.9
+          font-weight: 400
 
     .event-count
-      background: rgba(255, 255, 255, 0.2)
-      padding: 4px 8px
-      border-radius: 12px
-      font-size: 0.75rem
-      font-weight: 500
+      display: flex
+      flex-direction: column
+      align-items: center
+      gap: 2px
+      background: rgba(255, 255, 255, 0.15)
+      padding: var(--spacing-sm) var(--spacing-md)
+      border-radius: var(--border-radius-small)
+      backdrop-filter: blur(10px)
+      border: 1px solid rgba(255, 255, 255, 0.2)
+      position: relative
+      z-index: 1
+
+      .count-number
+        font-size: 1.25rem
+        font-weight: 700
+        line-height: 1
+
+      .count-label
+        font-size: 0.625rem
+        font-weight: 500
+        opacity: 0.9
+        text-transform: uppercase
+        letter-spacing: 0.5px
 
   .day-events
-    padding: var(--spacing-sm)
+    padding: var(--spacing-md)
     display: flex
     flex-direction: column
     gap: var(--spacing-sm)
+    background: linear-gradient(to bottom, rgba(248, 249, 250, 0.5), rgba(255, 255, 255, 1))
 
 // Calendar Event
 .calendar-event
@@ -287,15 +455,33 @@ body
   align-items: flex-start
   justify-content: space-between
   gap: var(--spacing-md)
-  transition: all 0.2s ease
+  transition: all 0.3s ease
+  position: relative
+  overflow: hidden
+
+  &::before
+    content: ''
+    position: absolute
+    top: 0
+    left: 0
+    width: 4px
+    height: 100%
+    background: linear-gradient(to bottom, var(--primary-color), rgba(0, 122, 255, 0.3))
+    transition: width 0.3s ease
 
   &:hover
     box-shadow: var(--shadow-medium)
-    transform: translateY(-1px)
+    transform: translateY(-2px)
+    border-color: transparent
+
+    &::before
+      width: 8px
 
   .event-content
     flex: 1
     min-width: 0
+    position: relative
+    z-index: 1
 
     .event-text
       font-weight: 500
@@ -303,22 +489,38 @@ body
       font-size: 1rem
       margin-bottom: var(--spacing-xs)
       word-break: break-word
+      line-height: 1.4
 
     .event-user
       font-size: 0.875rem
       font-weight: 600
       opacity: 0.8
+      display: flex
+      align-items: center
+      gap: var(--spacing-xs)
+
+      &::before
+        content: ''
+        width: 8px
+        height: 8px
+        border-radius: 50%
+        background: currentColor
+        opacity: 0.6
 
   .event-actions
     display: flex
     gap: var(--spacing-xs)
     flex-shrink: 0
+    position: relative
+    z-index: 1
 
   .edit-form
     width: 100%
     display: flex
     flex-direction: column
     gap: var(--spacing-sm)
+    position: relative
+    z-index: 1
 
     .form-group
       display: flex
@@ -337,6 +539,7 @@ body
         border-radius: var(--border-radius-small)
         font-size: 0.875rem
         background: var(--surface-color)
+        transition: all 0.2s ease
 
         &:focus
           outline: none
@@ -352,55 +555,86 @@ body
 // Buttons
 .btn
   border: none
-  border-radius: var(--border-radius-small)
+  border-radius: var(--border-radius)
   padding: var(--spacing-sm) var(--spacing-md)
   font-size: 0.875rem
-  font-weight: 500
+  font-weight: 600
   cursor: pointer
   display: flex
   align-items: center
   justify-content: center
   gap: var(--spacing-xs)
-  transition: all 0.2s ease
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1)
   text-decoration: none
+  position: relative
+  overflow: hidden
+
+  &::before
+    content: ''
+    position: absolute
+    top: 0
+    left: -100%
+    width: 100%
+    height: 100%
+    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent)
+    transition: left 0.5s ease
+
+  &:hover::before
+    left: 100%
 
   &:disabled
     opacity: 0.5
     cursor: not-allowed
+    transform: none !important
+
+    &:hover::before
+      left: -100%
 
   &.btn-primary
-    background: var(--primary-color)
+    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%)
     color: white
+    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3)
 
     &:hover:not(:disabled)
-      background: #0056b3
-      transform: translateY(-1px)
+      transform: translateY(-2px)
+      box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4)
+
+    &:active:not(:disabled)
+      transform: translateY(0)
 
   &.btn-secondary
-    background: var(--border-color)
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.9) 100%)
     color: var(--text-primary)
+    border: 1px solid rgba(0, 0, 0, 0.1)
+    backdrop-filter: blur(10px)
 
     &:hover:not(:disabled)
-      background: #d1d5db
+      background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(240, 242, 245, 1) 100%)
+      transform: translateY(-1px)
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1)
 
   &.btn-danger
-    background: var(--danger-color)
+    background: linear-gradient(135deg, var(--danger-color) 0%, #dc3545 100%)
     color: white
+    box-shadow: 0 4px 15px rgba(255, 59, 48, 0.3)
 
     &:hover:not(:disabled)
-      background: #dc3545
+      transform: translateY(-2px)
+      box-shadow: 0 6px 20px rgba(255, 59, 48, 0.4)
 
   &.btn-small
     padding: var(--spacing-xs)
     font-size: 0.75rem
-    width: 32px
-    height: 32px
+    width: 36px
+    height: 36px
+    border-radius: 50%
 
     svg
       font-size: 0.875rem
 
   svg
     font-size: 1rem
+    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1))
 
 // Add Form Overlay
 .add-form-overlay
@@ -409,59 +643,75 @@ body
   left: 0
   right: 0
   bottom: 0
-  background: rgba(0, 0, 0, 0.5)
+  background: rgba(0, 0, 0, 0.6)
+  backdrop-filter: blur(8px)
   display: flex
   align-items: center
   justify-content: center
   z-index: 1000
   padding: var(--spacing-md)
+  animation: fadeIn 0.3s ease
 
   .add-form
-    background: var(--surface-color)
+    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.98) 100%)
+    backdrop-filter: blur(20px)
     border-radius: var(--border-radius)
-    padding: var(--spacing-lg)
+    padding: var(--spacing-xl)
     width: 100%
-    max-width: 400px
-    box-shadow: var(--shadow-medium)
+    max-width: 420px
+    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2)
     max-height: 80vh
     overflow-y: auto
+    border: 1px solid rgba(255, 255, 255, 0.3)
+    animation: slideIn 0.3s ease
 
     h3
-      font-size: 1.25rem
-      font-weight: 600
-      margin-bottom: var(--spacing-md)
+      font-size: 1.375rem
+      font-weight: 700
+      margin-bottom: var(--spacing-lg)
       color: var(--text-primary)
       text-align: center
+      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1)
 
     .form-group
       display: flex
       flex-direction: column
-      margin-bottom: var(--spacing-md)
+      margin-bottom: var(--spacing-lg)
 
       label
         font-size: 0.875rem
-        font-weight: 500
+        font-weight: 600
         color: var(--text-secondary)
-        margin-bottom: var(--spacing-xs)
+        margin-bottom: var(--spacing-sm)
+        text-transform: uppercase
+        letter-spacing: 0.5px
 
       input, select
         width: 100%
         padding: var(--spacing-md)
-        border: 1px solid var(--border-color)
-        border-radius: var(--border-radius-small)
+        border: 2px solid rgba(255, 255, 255, 0.3)
+        border-radius: var(--border-radius)
         font-size: 1rem
-        background: var(--surface-color)
+        background: rgba(255, 255, 255, 0.7)
+        backdrop-filter: blur(10px)
+        transition: all 0.3s ease
+        font-weight: 500
 
         &:focus
           outline: none
           border-color: var(--primary-color)
-          box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1)
+          box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15)
+          background: rgba(255, 255, 255, 0.9)
+
+        &::placeholder
+          color: var(--text-muted)
+          font-weight: 400
 
     .form-actions
       display: flex
-      gap: var(--spacing-sm)
+      gap: var(--spacing-md)
       justify-content: flex-end
-      margin-top: var(--spacing-lg)
+      margin-top: var(--spacing-xl)
 
 // Floating Action Button
 .fab-container
@@ -471,27 +721,59 @@ body
   z-index: 100
 
   .fab
-    width: 56px
-    height: 56px
+    width: 64px
+    height: 64px
     border-radius: 50%
-    background: var(--primary-color)
+    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%)
     color: white
     border: none
     cursor: pointer
     display: flex
     align-items: center
     justify-content: center
-    font-size: 1.25rem
-    box-shadow: var(--shadow-medium)
-    transition: all 0.2s ease
+    font-size: 1.5rem
+    box-shadow: 0 8px 32px rgba(0, 122, 255, 0.4)
+    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1)
+    position: relative
+    overflow: hidden
+
+    &::before
+      content: ''
+      position: absolute
+      top: 0
+      left: 0
+      right: 0
+      bottom: 0
+      background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%)
+      transform: translateX(-100%)
+      transition: transform 0.6s ease
 
     &:hover
-      background: #0056b3
-      transform: translateY(-2px)
-      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2)
+      transform: translateY(-4px) scale(1.1)
+      box-shadow: 0 12px 40px rgba(0, 122, 255, 0.5)
+
+      &::before
+        transform: translateX(100%)
 
     &:active
-      transform: translateY(0)
+      transform: translateY(-2px) scale(1.05)
+
+    svg
+      filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2))
+
+@keyframes fadeIn
+  from
+    opacity: 0
+  to
+    opacity: 1
+
+@keyframes slideIn
+  from
+    opacity: 0
+    transform: translateY(20px) scale(0.95)
+  to
+    opacity: 1
+    transform: translateY(0) scale(1)
 
 // Responsive Design
 @media (max-width: 480px)
@@ -500,6 +782,7 @@ body
 
   .header
     padding: var(--spacing-xs) var(--spacing-sm)
+    border-radius: 0
 
     .header-content
       gap: var(--spacing-sm)
@@ -513,8 +796,8 @@ body
         min-width: 120px
 
       .btn-icon
-        width: 36px
-        height: 36px
+        width: 40px
+        height: 40px
 
     .view-controls
       flex-direction: column
@@ -527,33 +810,88 @@ body
       .user-select
         width: 100%
 
-  .day-header
-    padding: var(--spacing-sm)
+  .day-section
+    .day-header
+      padding: var(--spacing-sm) var(--spacing-md)
 
-    h3
-      font-size: 1rem
+      .day-info
+        gap: var(--spacing-sm)
+
+        .day-number
+          width: 52px
+          height: 52px
+          font-size: 1.375rem
+
+        .day-details
+          .day-name
+            font-size: 0.9rem
+
+          .month-indicator
+            font-size: 0.65rem
+
+      .event-count
+        padding: var(--spacing-xs) var(--spacing-sm)
+
+        .count-number
+          font-size: 1rem
+
+        .count-label
+          font-size: 0.5rem
+
+    .day-events
+      padding: var(--spacing-sm)
 
   .calendar-event
     padding: var(--spacing-sm)
     flex-direction: column
     align-items: stretch
+    gap: var(--spacing-sm)
+
+    .event-content
+      .event-text
+        font-size: 0.9rem
+
+      .event-user
+        font-size: 0.8rem
 
     .event-actions
       justify-content: flex-end
-      margin-top: var(--spacing-sm)
+      margin-top: var(--spacing-xs)
+
+    .btn-small
+      width: 32px
+      height: 32px
 
   .add-form-overlay
     padding: var(--spacing-sm)
 
     .add-form
-      padding: var(--spacing-md)
+      padding: var(--spacing-lg)
       max-height: 90vh
 
+      h3
+        font-size: 1.25rem
+
+      .form-group
+        margin-bottom: var(--spacing-md)
+
+        input, select
+          padding: var(--spacing-sm)
+
   .fab-container
     bottom: var(--spacing-md)
     right: var(--spacing-md)
 
     .fab
-      width: 48px
-      height: 48px
-      font-size: 1.125rem
+      width: 56px
+      height: 56px
+      font-size: 1.25rem
+
+  .empty-state
+    padding: var(--spacing-lg)
+
+    svg
+      font-size: 2.5rem
+
+    p
+      font-size: 1rem