/* ================= CYBERPUNK THEME ================= */

* {
  box-sizing: border-box;
  font-family: 'Courier New', monospace;
}

body {
  margin: 0;
  padding: 20px;
  background: radial-gradient(circle at top, #0f0f1a, #050510);
  color: #00fff7;
}

/* ================= APP CONTAINER ================= */

.app {
  max-width: 700px;
  margin: auto;
  background: rgba(10, 10, 25, 0.9);
  padding: 30px;
  border-radius: 15px;
  border: 1px solid #00fff7;
  box-shadow: 0 0 25px #00fff7;
}

/* ================= HEADINGS ================= */

h1 {
  text-align: center;
  color: #ff00ff;
  text-shadow: 0 0 10px #ff00ff;
  margin-bottom: 30px;
}

/* ================= SECTION ================= */

.section {
  margin-bottom: 30px;
}

/* ================= FLEX ================= */

.flex {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ================= INPUT & SELECT ================= */

input, select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #00fff7;
  background: #0a0a1a;
  color: #00fff7;
  outline: none;
  flex: 1;
}

input:focus, select:focus {
  box-shadow: 0 0 10px #00fff7;
}

/* ================= BUTTON ================= */

button {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ff00ff;
  background: transparent;
  color: #ff00ff;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  background: #ff00ff;
  color: black;
  box-shadow: 0 0 10px #ff00ff;
}

/* ================= CATEGORY LIST ================= */

.category-list li {
  margin-top: 8px;
  padding: 8px;
  border: 1px solid #00fff7;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,255,247,0.05);
}

/* ================= FILTER ================= */

.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-container button {
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  border: 1px solid #00fff7;
  color: #00fff7;
}

.filter-container button:hover {
  background: #00fff7;
  color: black;
}

/* ================= TASK CARD ================= */

.task {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  background: rgba(255, 0, 255, 0.05);
  border: 1px solid #ff00ff;
  box-shadow: 0 0 10px rgba(255, 0, 255, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.task:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px #ff00ff;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 600px) {
  .flex {
    flex-direction: column;
  }

  .app {
    padding: 20px;
  }

  button {
    width: 100%;
  }
}