/* Основные настройки */
:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --accent-color: #4895ef;
  --danger-color: #f72585;
  --success-color: #4cc9f0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --gray-color: #6c757d;
  --border-radius: 12px;
  --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #f5f7ff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Контейнеры и общие элементы */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Шапка сайта */
header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 1rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo:hover {
  transform: translateY(-2px);
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

nav a:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Основное содержимое */
main {
  flex: 1;
  padding: 2rem 0;
}

/* Карточки мемов */
.memes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.meme-card {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
}

.meme-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.meme-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.meme-card:hover .meme-image {
  transform: scale(1.03);
}

.meme-content {
  padding: 1.2rem;
}

.meme-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.meme-author {
  font-size: 0.9rem;
  color: var(--gray-color);
  margin-bottom: 1rem;
}

.meme-author a {
  color: var(--primary-color);
  font-weight: 500;
}

.meme-author a:hover {
  text-decoration: underline;
}

.meme-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Кнопки и формы */
button, .button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

button:hover, .button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

button:active, .button:active {
  transform: translateY(0);
}

button.like-button {
  background: none;
  color: var(--gray-color);
  padding: 0;
  font-size: 1rem;
}

button.like-button.liked {
  color: var(--danger-color);
}

button.like-button:hover {
  transform: scale(1.1);
  background: none;
}

.subscribe-button {
  background-color: var(--accent-color);
}

.subscribe-button.subscribed {
  background-color: var(--danger-color);
}

/* Формы */
form {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--dark-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
  outline: none;
}

.file-upload {
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: 100%;
}

.file-upload input[type="file"] {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-upload-label {
  display: block;
  padding: 1rem;
  border: 2px dashed #ddd;
  border-radius: var(--border-radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.file-upload-label:hover {
  border-color: var(--primary-color);
  background-color: rgba(67, 97, 238, 0.05);
}

/* Сообщения */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.alert-error {
  background-color: #ffebee;
  color: #c62828;
  border-left: 4px solid #c62828;
}

.alert-success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid #2e7d32;
}

/* Профиль */
.profile-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid white;
  box-shadow: var(--box-shadow);
  margin: 0 auto 1rem;
}

.profile-username {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.profile-join-date {
  color: var(--gray-color);
  margin-bottom: 1.5rem;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.5rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

/* Сортировка и фильтры */
.sort-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.sort-option {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  background-color: white;
  color: var(--gray-color);
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.sort-option:hover {
  background-color: var(--light-color);
  color: var(--dark-color);
}

.sort-option.active {
  background-color: var(--primary-color);
  color: white;
}

/* Подвал */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* Анимации */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.meme-card {
  animation: fadeIn 0.5s ease forwards;
  opacity: 0;
}

.meme-card:nth-child(1) { animation-delay: 0.1s; }
.meme-card:nth-child(2) { animation-delay: 0.2s; }
.meme-card:nth-child(3) { animation-delay: 0.3s; }
.meme-card:nth-child(4) { animation-delay: 0.4s; }
.meme-card:nth-child(5) { animation-delay: 0.5s; }
.meme-card:nth-child(6) { animation-delay: 0.6s; }

/* Адаптивность */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .memes-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .memes-grid {
    grid-template-columns: 1fr;
  }
  
  .profile-stats {
    flex-direction: column;
    gap: 1rem;
  }
}