* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: #f7f7f7;
  color: #111;
}

.container {
  max-width: 600px;
  margin: auto;
  padding: 16px;
}

h1 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

/* Input */
.input-box {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.input-box input {
  flex: 1;
  padding: 14px;
  font-size: 1rem;
  border-radius: 12px;
  border: 1px solid #ddd;
}

.input-box button {
  padding: 0 18px;
  font-size: 1.2rem;
  border-radius: 12px;
  border: none;
  background: #111;
  color: white;
  cursor: pointer;
}

/* Filters */
.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.filters input,
.filters button {
  flex: 1;
  padding: 10px;
  font-size: 0.9rem;
  border-radius: 10px;
  border: 1px solid #ddd;
}

.filters button {
  background: #444;
  color: #fff;
  border: none;
}

/* List */
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  background: white;
  padding: 12px;
  border-radius: 12px;
  margin-bottom: 10px;
}

li .text {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

li .time {
  font-size: 0.75rem;
  color: #666;
}

/* Desktop tweaks */
@media (min-width: 768px) {
  .container {
    padding: 24px;
  }
}