App.css

/* App.css */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: #f5f0ff;
  color: #333;
  line-height: 1.6;
}

.app {
  min-height: 100vh;
}

/* Auth Pages (Login & SignUp) */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #e9d8fd, #d6bcfa);
  animation: gradientAnimation 10s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradientAnimation {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.auth-card {
  width: 100%;
  max-width: 450px;
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 15px 35px rgba(124, 58, 237, 0.2), 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform 0.3s ease;
}

.auth-card:hover {
  transform: translateY(-5px);
}

.auth-card h2 {
  color: #6d28d9;
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.avatar-container {
  margin: 25px 0;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 85px;
  height: 85px;
  border-radius: 50%;
  background: linear-gradient(135deg, #9f7aea, #667eea);
  margin: 0 auto;
  box-shadow: 0 8px 16px rgba(124, 58, 237, 0.3);
  position: relative;
  overflow: hidden;
}

.avatar:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(225deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 60%);
  border-radius: 50%;
}

.avatar span {
  font-size: 2.8rem;
  z-index: 1;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #4a5568;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s;
  background-color: #f8f9fa;
}

.form-control:focus {
  border-color: #8b5cf6;
  outline: none;
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2);
  background-color: white;
}

.form-control.input-error {
  border-color: #fc8181;
}

/* Password Input Container */
.password-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-container .form-control {
  padding-right: 50px; /* Make room for the toggle button */
}

.password-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: #8b5cf6;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.password-toggle:hover {
  background-color: rgba(139, 92, 246, 0.1);
}

.error-text {
  color: #e53e3e;
  font-size: 0.85rem;
  margin-top: 6px;
  font-weight: 500;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: linear-gradient(to right, #9f7aea, #667eea);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 15px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
  padding: 12px 24px;
  background-color: #e2e8f0;
  color: #4a5568;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary:hover, .btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(124, 58, 237, 0.4);
}

.btn-primary:active, .btn-secondary:active {
  transform: translateY(0);
}

.auth-footer {
  margin-top: 25px;
  font-size: 0.95rem;
  color: #4a5568;
}

.link {
  color: #8b5cf6;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  position: relative;
}

.link:after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: #8b5cf6;
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.link:hover:after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.error-message {
  background-color: #fed7d7;
  color: #c53030;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 0.95rem;
  font-weight: 500;
  border-left: 4px solid #e53e3e;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background: white;
  padding: 30px;
  border-radius: 20px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-content h3 {
  margin-bottom: 15px;
  color: #4a5568;
  font-size: 1.4rem;
}

.modal-content p {
  margin-bottom: 25px;
  color: #4a5568;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
}

/* Dashboard */
.dashboard-container {
  min-height: 100vh;
  background-color: #f5f0ff;
}

.dashboard-header {
  background: linear-gradient(to right, #9f7aea, #667eea);
  color: white;
  padding: 20px 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.header-content h1 {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.btn-logout {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-logout:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.dashboard-welcome {
  background: white;
  max-width: 1200px;
  margin: 30px auto;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.dashboard-welcome:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(to right, #9f7aea, #667eea);
}

.welcome-avatar {
  font-size: 2.2rem;
  background: linear-gradient(135deg, #9f7aea, #667eea);
  color: white;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 15px rgba(124, 58, 237, 0.3);
}

.user-name {
  color: #8b5cf6;
  font-weight: 700;
  border-bottom: 2px solid #8b5cf6;
  padding-bottom: 2px;
}

.dashboard-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .dashboard-content {
    grid-template-columns: 1fr 2fr;
  }
}

.quote-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.quote-card:before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, rgba(159, 122, 234, 0.1), rgba(102, 126, 234, 0.1));
  border-radius: 50%;
  z-index: -1;
}

.quote-card:after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(159, 122, 234, 0.1), rgba(102, 126, 234, 0.1));
  border-radius: 50%;
  z-index: -1;
}

.quote-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #8b5cf6;
  background: linear-gradient(135deg, rgba(159, 122, 234, 0.2), rgba(102, 126, 234, 0.2));
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.quote-text {
  font-size: 1.25rem;
  color: #4a5568;
  font-style: italic;
  line-height: 1.7;
}

.todo-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.todo-card:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(to right, #9f7aea, #667eea);
}

.todo-card h3 {
  margin-bottom: 20px;
  color: #4a5568;
  padding-bottom: 12px;
  font-weight: 700;
  border-bottom: 2px solid #e2e8f0;
}

.todo-form {
  display: flex;
  margin-bottom: 20px;
  gap: 10px;
}

.todo-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  background-color: #f8f9fa;
  transition: all 0.3s;
}

.todo-input:focus {
  border-color: #8b5cf6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
  background-color: white;
}

.btn-add {
  background: linear-gradient(to right, #9f7aea, #667eea);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 0 20px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.btn-add:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(124, 58, 237, 0.4);
}

.todo-list {
  list-style-type: none;
}

.todo-item {
  display: flex;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.todo-item:hover {
  background-color: #f8f7ff;
  border-radius: 8px;
  padding-left: 10px;
  padding-right: 10px;
}

.todo-checkbox {
  margin-right: 15px;
  font-size: 1.4rem;
  cursor: pointer;
  color: #9f7aea;
  transition: all 0.2s;
}

.todo-checkbox:hover {
  transform: scale(1.15);
}

.todo-text {
  flex: 1;
  font-size: 1.05rem;
  transition: all 0.3s;
}

.todo-item.completed .todo-text {
  text-decoration: line-through;
  color: #a0aec0;
}

.btn-delete {
  background: none;
  border: none;
  color: #fc8181;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.3s;
}

.btn-delete:hover {
  opacity: 1;
  transform: scale(1.15);
}

.empty-todo {
  text-align: center;
  color: #a0aec0;
  padding: 30px 0;
  font-style: italic;
  background-color: #f8f7ff;
  border-radius: 12px;
  margin-top: 10px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .auth-card {
    padding: 30px 20px;
  }
  
  .dashboard-welcome {
    flex-direction: column;
    text-align: center;
    padding: 25px 20px;
  }
  
  .todo-form {
    flex-direction: column;
  }
  
  .btn-add {
    padding: 12px;
    margin-top: 10px;
  }
}