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

:root {
  --pink: #ec4899;
  --purple: #a78bfa;
  --blue: #60a5fa;
  --bg-start: #ffe4f3;
  --bg-end: #f0f4ff;
  --surface: #ffffff;
  --text-main: #303045;
  --text-muted: #6b7280;
  --border-soft: rgba(236, 72, 153, 0.18);
  --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.08);
}

body {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 40px 16px;
  color: var(--text-main);
}

.container {
  width: min(100%, 460px);
  background: var(--surface);
  border: 2px solid var(--border-soft);
  padding: 26px;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  animation: fadeIn 0.6s ease;
}

h1 {
  text-align: center;
  font-size: clamp(1.6rem, 4.5vw, 2rem);
  background: linear-gradient(90deg, var(--pink), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  text-align: center;
  margin: 8px 0 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font: inherit;
  color: var(--text-main);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input::placeholder,
textarea::placeholder {
  color: #9ca3af;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.2);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

button {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s, filter 0.2s;
  animation: pulse 2s infinite;
}

button:hover {
  transform: translateY(-1px) scale(1.02);
  filter: brightness(1.05);
}

button:active {
  transform: translateY(0) scale(0.99);
}

#posts {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.post {
  background: #fdf4ff;
  border: 1px solid rgba(167, 139, 250, 0.2);
  padding: 14px;
  border-radius: 14px;
  animation: slideUp 0.4s ease;
}

.post h3 {
  color: #444;
  margin-bottom: 6px;
}

.post p {
  color: #666;
  line-height: 1.5;
  word-break: break-word;
}

.actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.edit {
  background: var(--blue);
}

.delete {
  background: #ef4444;
}

.actions button {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 8px;
  animation: none;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.35);
  }
  70% {
    box-shadow: 0 0 0 10px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

@media (max-width: 520px) {
  body {
    padding: 24px 12px;
  }

  .container {
    padding: 18px;
    border-radius: 16px;
  }
}