body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #fafafa;
    margin: 0;
    padding: 0;
    color: #000000;
}

header {
    text-align: center;
    padding: 1.5rem;
    background-color: #1f5f5e;
}

header h1 {
    margin: 0;
    color: #000000;
}

header p {
    margin-top: 0.3rem;
    color: #1a191a;
}

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

/* Task Input */
.task-input {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
}

.task-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.task-input button {
    padding: 10px 20px;
    background-color: #1f5f5e;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.task-input button:hover {
    background-color: #16866e;
}

/* Lists */
section {
    margin-bottom: 2rem;
}

h2 {
    color: #212121;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background: white;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.task-text {
    flex: 1;
    margin-right: 10px;
}

.task-time {
    font-size: 0.8rem;
    color: #777;
    margin-right: 15px;
}

/* Buttons */
button.complete-btn {
    background-color: #4caf50;
    color: white;
    border: none;
    padding: 5px 10px;
    margin-right: 5px;
    cursor: pointer;
    border-radius: 3px;
}

button.edit-btn {
    background-color: #ff9800;
    color: white;
    border: none;
    padding: 5px 10px;
    margin-right: 5px;
    cursor: pointer;
    border-radius: 3px;
}

button.delete-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 3px;
}

button:hover {
    opacity: 0.8;
}