* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Verdana, sans-serif;
  margin: 0;
  padding: 20px;
  background: #f0f8ff;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(120, 200, 255, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 180, 120, 0.3) 0%, transparent 50%);
  min-height: 100vh;
}

main {
  display: block;
  min-height: 175px;
  background: white;
  padding: 30px;
  border-radius: 25px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin: 0 auto;
  border: 3px solid #ffb347;
}

header {
  border-bottom: 3px dashed #4a90e2;
  background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
  padding: 25px;
  border-radius: 20px;
  margin: -20px -20px 30px -20px;
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

h1 {
  font-weight: bold;
  color: white;
  margin: 0;
  text-align: center;
  font-size: 32px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.bold {
  font-weight: bold;
}

p {
  max-width: 600px;
}

li {
  margin-bottom: 5px;
}

footer {
  padding-top: 25px;
  border-top: 1px solid black;
}

footer a {
  float: left;
  margin: 5px;
}

.pet-image {
  height: 280px;
  width: 280px;
  object-fit: cover;
  border-radius: 20px;
  border: 4px solid #ffb347;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ========================================
   REQUIREMENT #7: jQuery Method #1 - .addClass() / .removeClass()
   ======================================== */

/* CREATIVITY FEATURE: Bounce animation */
@keyframes bounce {
  0%, 100% { 
    transform: translateY(0) rotate(-2deg); 
  }
  50% { 
    transform: translateY(-20px) rotate(2deg); 
  }
}

.pet-image.happy {
  border-color: #50c878;
  box-shadow: 0 0 30px rgba(80, 200, 120, 0.6);
  animation: bounce 0.7s ease-in-out infinite;
}

.pet-image.sad {
  border-color: #a9a9a9;
  box-shadow: 0 0 20px rgba(169, 169, 169, 0.4);
  opacity: 0.75;
  filter: grayscale(30%);
}

.pet-image.tired {
  border-color: #ffa500;
  box-shadow: 0 0 25px rgba(255, 165, 0, 0.5);
  opacity: 0.8;
  transform: rotate(-5deg);
}

.dashboard div {
  display: block;
  margin-bottom: 12px;
  font-size: 19px;
  color: #333;
}

.pet-image-container {
  float: left;
  padding: 15px;
  background: linear-gradient(135deg, #fff5e6 0%, #ffe6cc 100%);
  border-radius: 25px;
  margin-right: 20px;
}

.dashboard {
  float: left;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 20px;
  border-left: 5px solid #4a90e2;
}

/* ========================================
   REQUIREMENT #6: Visual notification styling
   ======================================== */

.notification {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
  color: white;
  padding: 18px 25px;
  border-radius: 15px;
  margin: 25px 0;
  font-size: 17px;
  font-weight: bold;
  text-align: center;
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
  transition: all 0.3s ease;
  border: 2px solid white;
}

.notification.hidden {
  display: none;
  opacity: 0;
  transform: translateY(-10px);
}

.notification.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.button-container {
  margin-top: 25px;
  clear: both;
}

.button-container button {
  width: 110px;
  height: 45px;
  margin-right: 12px;
  margin-bottom: 12px;
  text-align: center;
  display: inline-block;
  float: left;
  font-size: 16px;
  background-color: #4a90e2;
  border: 3px solid #357abd;
  border-radius: 12px;
  cursor: pointer;
  color: white;
  font-weight: bold;
  transition: all 0.2s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  font-family: Arial, Verdana, sans-serif;
}

.button-container button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.button-container button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* Different colors for different buttons */
.treat-button {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%) !important;
  border-color: #c92a2a !important;
}

.treat-button:hover {
  background: linear-gradient(135deg, #ff5252 0%, #e04d5f 100%) !important;
}

.play-button {
  background: linear-gradient(135deg, #51cf66 0%, #37b24d 100%) !important;
  border-color: #2b8a3e !important;
}

.play-button:hover {
  background: linear-gradient(135deg, #40c057 0%, #2f9e44 100%) !important;
}

.exercise-button {
  background: linear-gradient(135deg, #74c0fc 0%, #4dabf7 100%) !important;
  border-color: #1c7ed6 !important;
}

.exercise-button:hover {
  background: linear-gradient(135deg, #5eb8f7 0%, #339af0 100%) !important;
}

.sleep-button {
  background: linear-gradient(135deg, #da77f2 0%, #cc5de8 100%) !important;
  border-color: #9c36b5 !important;
}

.sleep-button:hover {
  background: linear-gradient(135deg, #d160f0 0%, #be4bdb 100%) !important;
}