/* Google Font */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  transition: background 0.3s, color 0.3s;
}

:root {
  --bg: #06000f;
  --card: #00205a;
  --text: #ffffff;
  --input: #00205a;
  --accent: #00205a;
  --btn-hover: #002383;
}

[data-theme="light"] {
  --bg: #f4f4f4;
  --card: #ffffff;
  --text: #222;
  --input: #eaeaea;
  --accent: #00796b;
  --btn-hover: #00695c;
}

body {
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2rem;
}

#themeToggle {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text);
}

.task-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.task-form input,
.task-form select,
.task-form button {
  padding: 0.7rem 1rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
}

.task-form input,
.task-form select {
  background: var(--input);
  color: var(--text);
  flex: 1 1 auto;
}

.task-form button {
  background: var(--accent);
  color: white;
  cursor: pointer;
  transition: background 0.2s;
}

.task-form button:hover {
  background: var(--btn-hover);
}

.filters {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.filters button {
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
  font-weight: 700;
}

.filters button:hover {
  background: var(--accent);
  color: white;
}

.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.task-list li {
  background: var(--card);
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.2s;
}

.task-list li:hover {
  transform: scale(1.02);
}

.task-meta {
  display: flex;
  flex-direction: column;
}

.task-meta span {
  font-size: 0.9rem;
  opacity: 0.8;
}

.task-actions button {
  margin-left: 0.5rem;
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  color: white;
  background: #f44336;
  transition: background 0.2s;
}

.task-actions button:hover {
  background: #d32f2f;
}

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

  .task-form input,
  .task-form select,
  .task-form button {
    width: 100%;
  }
}