styles.css

/* ====================================================
   Name: Coding Journey Dashboard
   Author: JohnDev19
   Last Update: December 2024
   License: MIT
==================================================== */
:root {
  --primary-color: #3b82f6;
  --secondary-color: #8b5cf6;
  --accent-color: #40d675;
  --background-dark: #0f172a;
  --card-background: rgba(26,41,66,0.202);
  --toggle-background: rgba(26,41,66,0.575);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --border-radius-lg: 20px;
  --border-radius-md: 12px;
  --sidebar-width: 280px;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.dashboard-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: rgba(26, 41, 66, 0.8);
  backdrop-filter: blur(15px);
  padding: 2rem;
  border-right: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  left: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.sidebar-logo img {
  width: 50px;
  margin-right: 1rem;
  border-radius: 50%;
}

.sidebar-nav {
  list-style: none;
  flex-grow: 1;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 10px;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.sidebar-nav-item:hover, .sidebar-nav-item.active {
  background: rgba(255,255,255,0.1);
  transform: translateX(10px);
}

.sidebar-nav-item i {
  margin-right: 1rem;
  font-size: 1.2rem;
}

.user-profile {
  display: flex;
  align-items: center;
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 1rem;
  object-fit: cover;
}

/* Main content area */
.main-content {
  flex-grow: 1;
  padding: 2rem;
  margin-left: var(--sidebar-width);
  transition: var(--transition-smooth);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.dashboard-card {
  background: var(--card-background);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.dashboard-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.dashboard-card h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: var(--accent-color);
  display: flex;
  align-items: center;
}

.dashboard-card h3 i {
  margin-right: 0.5rem;
}

@media (max-width: 1200px) {
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 80%;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding-top: 4rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }
}

.chart-description {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem;
  border-radius: var(--border-radius-md);
  text-align: center;
}

.chart-description p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Components */
.progress-bar {
  width: 100%;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
  position: relative;
}

.progress-bar-fill {
  height: 10px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  transition: width 1s ease-out;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 5px;
  background-color: rgba(255, 255, 255, 0.5);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.5;
  }
}

.task-list {
  list-style: none;
}

.task-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition-smooth);
}

.task-item:last-child {
  border-bottom: none;
}

.task-item:hover {
  background: rgba(255,255,255,0.05);
  padding-left: 0.5rem;
  border-radius: var(--border-radius-md);
}

.task-status {
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

.status-in-progress {
  background-color: var(--primary-color);
}

.status-completed {
  background-color: var(--accent-color);
}

.status-not-started {
  background-color: var(--secondary-color);
}

.achievement-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.achievement-item {
  background: rgba(255,255,255,0.1);
  border-radius: var(--border-radius-md);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.achievement-item:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.05);
}

.notification-center {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  justify-content: center;
  width: 100%;
  max-width: 600px;
  padding: 0 15px;
  box-sizing: border-box;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.notification {
  background: var(--card-background);
  border-radius: var(--border-radius-md);
  border: 0.3px solid rgba(255,255,255,0.1);
  padding: 1rem;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateX(100%);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: flex;
  align-items: center;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification i {
  margin-right: 0.5rem;
  font-size: 1rem;
}

.quick-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 0rem;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--card-background);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 1rem;
  flex: 1;
  text-align: center;
  transition: var(--transition-smooth);
  min-width: 200px;
  max-width: 250px;
  width: calc(25% - 1rem);
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 1200px) {
  .stat-card {
    width: calc(50% - 1rem);
  }
}

@media (max-width: 768px) {
  .quick-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    justify-content: center;
  }

  .stat-card {
    width: 100%;
    max-width: none;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .stat-card {
    padding: 0.75rem;
  }

  .stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
  }

  .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
  }
}

.menu-toggle {
  display: none;
  position: fixed;
  top: 13px;
  left: 20px;
  z-index: 1001;
  background: var(--toggle-background);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: none;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-toggle:hover {
  background: rgba(45,80,137,0.202);
}

.sidebar-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}

@media (max-width: 768px) {
  .menu-toggle, .sidebar-close {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .sidebar-close {
    display: block;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-fadeIn {
  animation: fadeIn 0.5s ease-out;
}

.animate-slideIn {
  animation: slideIn 0.5s ease-out;
}

/* Blur gradient background */
.blur-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
  radial-gradient(circle at 10% 20%, rgba(102,4,255,0.59) 0%, rgba(0, 0, 0, 0) 25%),
  radial-gradient(circle at 90% 80%, rgba(0,86,226,0.547) 0%, rgba(0, 0, 0, 0) 25%);
  filter: blur(100px);
  z-index: -1;
}

/* Coding activity Calendar */
.coding-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  width: 100%;
  padding-top: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.calendar-day:hover {
  transform: scale(1.2);
}

.activity-low {
  background-color: rgba(59, 130, 246, 0.3);
}
.activity-medium {
  background-color: rgba(59, 130, 246, 0.5);
}
.activity-high {
  background-color: rgba(59, 130, 246, 0.8);
}

/* Leaderboard */
.leaderboard-list {
  list-style-type: none;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
}

.leaderboard-rank {
  font-weight: bold;
  margin-right: 1rem;
}

.leaderboard-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  margin-right: 1rem;
}

.leaderboard-name.leaderboard-name {
  flex-grow: 1;
}

.leaderboard-score {
  font-weight: bold;
  color: var(--accent-color);
}

/* Resource links */
.resource-list {
  list-style-type: none;
}

.resource-item {
  margin-bottom: 0.5rem;
}

.resource-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.resource-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* Message bar */
.message-badge {
  background-color: var(--accent-color);
  color: white;
  border-radius: 50%;
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  margin-left: 0.5rem;
}

.messages-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 350px;
  height: 100vh;
  background: rgba(26, 41, 66, 0.9);
  backdrop-filter: blur(15px);
  transform: translateX(100%);
  transition: var(--transition-smooth);
  z-index: 1500;
  display: flex;
  flex-direction: column;
}

.messages-container.active {
  transform: translateX(0);
}

.messages-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.messages-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1rem;
}

.message-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.75rem;
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

.message-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.message-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 1rem;
}

.message-content {
  flex-grow: 1;
}

.message-sender {
  font-weight: bold;
  margin-bottom: 0.25rem;
}

.message-preview {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.message-time {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.close-messages {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}